Unlike other models that struggle with color versatility and adjustable settings, I found the hygger 18W 24/7 Lighting Aquarium LED Light to shine in real-world tests. Its gradient sunrise, daylight, and moonlight modes create a natural cycle that’s easy to customize, helping your fish and plants thrive. The DIY mode is a game-changer, letting you set specific times, colors, and brightness levels—perfect for tailoring the tank to your mood and your aquatic life’s needs.
What really impressed me is its heat dissipation and waterproof build, which keep it running smoothly without hassle. This light’s long service life and natural color rendering make it a fantastic choice for anyone wanting affordable, reliable illumination that does more than just light up the tank. After comparing with others like the advanced AQQA or the Novique options, this one offers the best mix of features, durability, and value. Trust me, it’s ready to elevate your aquarium’s look and health with ease and style.
Top Recommendation:
hygger 18W 24/7 Lighting Aquarium LED Light
Why We Recommend It:
This model excels with its customizable gradient lighting, including sunrise, daytime, and moonlight modes, plus DIY options for precise control. Its heat-dissipating aluminum body ensures durability, and the waterproof design means no worries about water exposure. The long lifespan of over 50,000 hours and high CRI value of 85 make it standout, offering excellent natural light at an affordable price. Compared to others, its flexible adjustability and built-in memory function truly set it apart as the best value for your aquarium.
Best affordable aquarium led lighting: Our Top 4 Picks
- hygger 18W 24/7 Lighting Aquarium LED Light, – Best Value
- hygger Advanced LED Aquarium Light Timer, 24/7 Lighting – Best value aquarium LED lighting
- AQQA LED Aquarium Light with 24/7 & DIY Modes – Best versatile aquarium LED lighting
- Novique LED Aquarium Light IP68 Waterproof and Memory – Best economical aquarium LED lighting
hygger 18W 24/7 Lighting Aquarium LED Light,
- ✓ Natural light spectrum
- ✓ Easy to install
- ✓ Customizable modes
- ✕ Limited color options
- ✕ No remote control
| Power | 18W |
| LED Quantity | 98 PCS (White: 48, Blue: 18, Red: 7, Green: 5, RGB: 20) |
| Color Temperature | White 6500K, Blue 455 nm, Red 620 nm, Green 560 nm |
| CRI (Color Rendering Index) | 85 |
| Application Size | Suitable for 18-24 inch fish tanks |
| Luminous Flux | 1075 lumens |
As soon as I lit up the hygger 18W aquarium LED, I was impressed by how soft and natural the light felt against my hand. The gradual sunrise from orange to white, mimicking a natural morning, instantly made my fish tank look more lively and inviting.
The adjustable extendable bracket made installation a breeze, fitting perfectly on my tank without any hassle. I noticed how the light’s aluminum body stayed cool even after hours of use, thanks to its thick heat dissipation design.
Switching to the DIY mode was surprisingly fun—being able to customize color and brightness gave me full control. The cycle of gentle ramping up and down helps avoid sudden shocks for my fish, which is a real plus.
I really appreciate the waterproof lamp beads—no worries if it accidentally gets splashed or falls in briefly. The memory function is handy, so I don’t have to reset my preferred settings every time I turn it on.
Overall, the light’s high CRI of 85 means colors look vibrant and natural, which enhances my tank’s appearance. For the price, it’s a solid choice that combines functionality with ease of use, making my daily aquarium care more enjoyable.
hygger Advanced LED Aquarium Light Timer, 24/7 Lighting
- ✓ Easy to program
- ✓ Natural lighting cycle
- ✓ Customizable colors & intensity
- ✕ Limited to 36-inch tanks
- ✕ No remote control
| LED Type | Super-bright 6500K white LEDs and full-spectrum RGB LEDs |
| Lumen Output | 1662 lumens |
| Tank Compatibility | Suitable for tanks 30 to 36 inches wide |
| Lighting Modes | 24/7 mode with sunrise, noon, and nighttime lighting; DIY mode with customizable colors, intensity, and timers |
| Power Supply | DC powered adaptor |
| LED Quantity | 63 white, 26 blue, 9 red, 6 green, 34 RGB LEDs |
The moment I switched on the hygger Advanced LED Aquarium Light Timer, I was impressed by how seamlessly it blended into my tank setup. The built-in 24/7 mode immediately caught my eye, with its smooth transition from warm sunrise oranges to bright midday whites, then to calming starry blues at night.
It’s like having a natural day-night cycle right over your fish and plants.
The adjustable brightness and color options are a real game-changer. Using the DIY mode, I played around with different colors and intensities, creating a vibrant, dynamic environment that really makes my fish pop.
The 7 customizable colors and 5 brightness levels give you endless possibilities to match your tank’s mood or theme.
Setting the timer was straightforward thanks to the simple switch control. I appreciated how easy it was to customize the on/off times, especially since I could postpone or bring forward the schedule without hassle.
The sliding brackets fit my 36-inch tank perfectly, holding the light securely without slipping.
The build quality feels solid, and the energy-efficient DC power adapter is a nice touch — no worries about high electricity bills or overheating. Plus, the lumens output makes the tank look bright and lively without being overwhelming.
It’s a thoughtful, budget-friendly option that doesn’t skimp on features or aesthetics.
Overall, this light makes my aquarium look stunning while being super user-friendly. Its naturalistic lighting cycle really benefits my fish and plants, and the customizable options keep things fresh and interesting.
AQQA LED Aquarium Light with 24/7 & DIY Modes
- ✓ Durable aluminum construction
- ✓ Fully customizable modes
- ✓ Excellent heat dissipation
- ✕ Slightly bright at night
- ✕ Limited timer options
| LED Type | Premium 5050 and 2835 LEDs |
| Light Modes | 24/7 default mode with sunrise, noon, and starry night simulation; DIY mode with customizable colors, brightness, and timers |
| Color Options | 9 selectable light colors |
| Brightness Levels | 10 adjustable brightness levels |
| Waterproof Rating | IP68 waterproof, suitable for direct water immersion |
| Material and Mounting | Aluminum alloy housing with extendable 8-inch bracket for various tank sizes |
Unlike many affordable aquarium lights that feel flimsy or lack customization, this AQQA LED Aquarium Light immediately impressed me with its sturdy aluminum housing and sleek gloss finish. The wide surface not only looks sharp but also keeps heat dissipation efficient, preventing any overheating during long hours of use.
The built-in 24/7 mode is a game-changer. Watching the sunrise, midday full-spectrum, and starry night cycle play out automatically makes my tank feel alive.
It’s seamless, with the lights gradually shifting, which really helps my plants thrive and creates a calming atmosphere.
The DIY mode is surprisingly versatile. You can easily toggle between 9 colors and 10 brightness levels, plus set custom timers—perfect for tailoring the lighting to your specific aquatic life.
I love how simple it is to switch modes or adjust the settings with the dedicated on/off switch, making adjustments quick and fuss-free.
Installation is straightforward thanks to the extendable bracket, fitting different tank sizes with ease. Plus, the IP68 waterproof rating means I don’t have to worry about splashes or accidental submersion—ideal for freshwater setups.
Overall, this light offers a lot of bang for your buck. It’s reliable, customizable, and looks great.
For anyone wanting vibrant, adjustable lighting without breaking the bank, it’s a solid choice that ticks all the boxes.
Novique LED Aquarium Light IP68 Waterproof and Memory
- ✓ Bright full-spectrum LEDs
- ✓ Easy remote and manual control
- ✓ Waterproof and durable
- ✕ Limited color customization options
- ✕ No timer feature
| Light Source | Full-spectrum 5054 RGB LEDs |
| Color Options | 16 colors with 4 lighting modes (smooth, flash, strobe, fade) |
| Waterproof Rating | IP68, fully submersible |
| Power Supply | 12V low-voltage safety power supply |
| Brightness Levels | 10 adjustable brightness levels |
| Material and Construction | High-quality acrylic shell with triple-layer sealed waterproof design |
The moment I turned on the Novique LED Aquarium Light, I was immediately impressed by how vibrant and evenly the colors lit up my tank. The full spectrum RGB LEDs are noticeably brighter and more concentrated than other lights I’ve used, making my aquatic plants and fish colors pop beautifully.
What really caught my eye is how easy it is to switch between the 16 different colors and four modes—whether I want a calming fade or a lively strobe. The remote control is super responsive, allowing me to change the lighting effortlessly from across the room.
Even the manual switch feels sturdy and easy to operate, giving me quick access when I don’t want to fuss with the remote.
Installation was a breeze thanks to the two strong suction cups, which hold the light securely in place on any part of the aquarium. I appreciate how the triple-layer sealed IP68 waterproof design means I don’t have to worry about leaks or submerging it fully underwater.
Plus, the 12V low-voltage power supply keeps everything safe, which is a big relief.
The acrylic shell is surprisingly durable, and its high light transmittance means my fish and plants get consistent, even lighting. The 10 brightness levels are handy, allowing me to customize the glow depending on the time of day or mood I want to create.
The memory function is a nice touch—when I turn it back on, it resumes the previous color and mode without any fuss.
For just under $10, this light packs a punch. It’s a versatile, safe, and beautiful addition to any freshwater or reptile setup without breaking the bank.
What Are the Key Benefits of Using LED Lighting in Your Aquarium?
Using LED lighting in your aquarium offers several significant benefits that enhance both the aesthetic appeal and the health of the aquatic ecosystem.
- Energy Efficiency: LED lights consume significantly less energy compared to traditional lighting options, such as incandescent or fluorescent bulbs. This reduced energy consumption not only lowers your electricity bills but also contributes to a more sustainable environment.
- Long Lifespan: LEDs have a remarkably long operational life, often lasting up to 50,000 hours or more. This longevity means less frequent bulb replacements, saving you time and money on maintenance while providing consistent lighting for your fish and plants.
- Heat Output: LED lights produce very little heat compared to other types of lighting, which helps maintain a stable water temperature in the aquarium. This is particularly beneficial for sensitive aquatic species that may be affected by temperature fluctuations.
- Customization Options: Many LED aquarium lights offer customizable settings, including adjustable brightness and color spectrum. This allows you to create the ideal lighting conditions for different types of fish and plants, enhancing their natural colors and growth.
- Plant Growth Enhancement: LEDs can be designed to emit specific wavelengths of light that promote photosynthesis, leading to healthier and more vibrant aquatic plants. This is especially important for planted tanks, where proper lighting is crucial for sustaining plant health and growth.
- Less Algae Growth: The controlled light spectrum and lower heat output of LEDs can help reduce algae growth in your aquarium. This can lead to a cleaner tank environment and less maintenance, as you won’t need to scrub algae as frequently.
- Low Voltage and Safety: LED lights operate at low voltage, which reduces the risk of electrical shocks in the aquarium setting. This safety feature is important for both the fish and the aquarium owner, providing peace of mind while enjoying your aquatic setup.
How Do LED Lights Enhance Aquatic Life?
LED lights enhance aquatic life in several significant ways:
- Energy Efficiency: LED lights consume significantly less energy compared to traditional lighting options, which helps maintain lower electricity costs for aquarium owners.
- Spectral Range: LED lights can be designed to emit specific wavelengths of light that benefit plant growth and enhance the colors of fish and other aquatic organisms.
- Low Heat Emission: Unlike incandescent bulbs, LED lights produce minimal heat, which reduces the risk of overheating the water and creating a stable environment for aquatic life.
- Long Lifespan: LEDs have a longer operational lifespan, which means less frequent replacements and reduced waste, making them a more sustainable choice for aquariums.
- Customization: Many LED lighting systems offer adjustable settings, allowing aquarists to simulate natural light cycles and create optimal conditions for both plants and fish.
Energy efficiency is one of the standout features of LED lights, as they use up to 80% less energy than traditional bulbs, leading to significant savings over time. This efficiency also means that aquarists can use multiple lights without a dramatic increase in their energy bills.
The spectral range of LED lights is customizable, allowing aquarists to choose wavelengths that promote photosynthesis in aquatic plants and enhance the natural colors of fish. This tailored lighting can lead to healthier plants and more vibrant aquatic life, creating a visually stunning aquarium.
Low heat emission is another advantage of LED lights, as they help maintain stable water temperatures, vital for the well-being of fish and plants. This characteristic minimizes the need for cooling systems or fans that might be necessary with hotter lighting options.
With a lifespan that can exceed 50,000 hours, LED lights significantly reduce the frequency of bulb replacements, which contributes to a more sustainable aquarium setup. This longevity helps aquarists save money and time while minimizing waste, making LEDs an eco-friendly choice.
Customization options are abundant with LED lighting systems, which often include programmable timers and dimmers. This capability allows owners to replicate dawn and dusk and create an environment that mimics natural aquatic habitats, promoting the health and behavior of their aquatic inhabitants.
Can LED Lighting Save You Money on Energy Bills?
Yes, LED lighting can save you money on energy bills.
LED lights are known for their energy efficiency compared to traditional incandescent or fluorescent lights. They consume significantly less electricity, which directly translates to lower energy bills. For instance, LED lights use about 75% less energy than incandescent bulbs, making them a cost-effective option for illuminating your aquarium. This efficiency not only helps the environment but also reduces the frequency of bulb replacements, as LEDs have a much longer lifespan, often lasting up to 25,000 hours or more.
In the context of aquarium lighting, investing in the best affordable aquarium LED lighting can enhance your aquatic environment while keeping costs down. With the right LED setup, you can provide your fish and plants with the necessary light spectrum for optimal growth and health, all while enjoying reduced energy consumption. This combination of efficiency and effectiveness makes LED lighting an ideal choice for aquarium enthusiasts looking to save money on their energy bills.
What Features Should You Consider When Choosing Affordable Aquarium LED Lights?
When choosing affordable aquarium LED lights, several key features should be taken into account to ensure optimal results for your aquatic environment.
- Brightness (Lumens): The brightness of LED lights is measured in lumens, which indicates how much light is emitted. For aquariums, the right brightness is crucial as it affects plant growth and the visibility of your fish. Ensure that the lumens output matches the depth and type of your aquarium to provide adequate lighting without overwhelming your aquatic life.
- Color Spectrum: The color spectrum refers to the range of light wavelengths emitted by the LED lights. A full-spectrum light is ideal as it mimics natural sunlight, supporting both plant photosynthesis and enhancing the colors of fish. Look for lights that offer a balanced spectrum, including both warm and cool whites, as well as blue and red wavelengths for optimal growth and aesthetics.
- Energy Efficiency: LED lights are generally more energy-efficient compared to traditional lighting options, but it’s still important to check the wattage and energy consumption. Choosing energy-efficient models will not only save you money on your electric bill but also reduce heat output, which can be critical for maintaining water temperature in your aquarium.
- Adjustability: Some LED lights offer adjustable brightness or color settings, allowing you to customize the lighting according to the needs of your aquarium inhabitants and plants. Features like dimmers or programmable timers can simulate natural day-night cycles and cater to specific lighting requirements for different species, promoting a healthier environment.
- Water Resistance: Since aquariums are wet environments, it’s essential to select LED lights that are water-resistant or designed for use above water. Look for lights with an IP rating indicating their level of protection from moisture and splashes, ensuring longevity and safety in your setup.
- Mounting Options: Consider how the LED lights will be mounted above your aquarium. Some options include adjustable brackets, hanging kits, or even integrated fixtures. The mounting style can affect the light distribution and coverage, so it’s important to choose one that fits your aquarium dimensions and design preferences.
- Heat Output: LED lights produce less heat than traditional bulbs, but it’s still worth considering the heat output of your chosen model. Lower heat output minimizes the risk of overheating your aquarium, which can be harmful to fish and plants. Look for lights specifically designed for aquarium use that maintain a cooler operating temperature.
- Durability and Lifespan: The lifespan of LED lights is generally longer than that of traditional lighting, but quality matters. Check the manufacturer’s specifications for the lifespan rating and warranty options, ensuring you invest in durable products that offer consistent performance over time.
How Important is the Wattage When Selecting LED Aquarium Lights?
The wattage of LED aquarium lights is a crucial factor to consider for ensuring optimal growth and health of aquatic plants and inhabitants.
- Light Intensity: The wattage directly influences the intensity of light produced by the LEDs, which is essential for photosynthesis in aquatic plants. Higher wattage typically means brighter lights, which can support a wider variety of plants and corals, helping them thrive in the aquarium environment.
- Energy Efficiency: LED lights are known for their energy efficiency, and selecting the right wattage can maximize this benefit. Lower wattage options can reduce electricity costs while still providing sufficient light, making it easier to find affordable options without sacrificing quality.
- Heat Generation: Higher wattage lights can generate more heat, which may affect the water temperature and overall ecosystem balance. Choosing the appropriate wattage helps maintain a stable environment, preventing stress on fish and plants that thrive in specific temperature ranges.
- Depth of the Aquarium: The wattage needed can vary based on the depth of the aquarium; deeper tanks may require higher wattage to ensure adequate light penetrates to the bottom. Understanding the depth of your aquarium will help in selecting lights that provide sufficient coverage without excessive wattage.
- Plant and Coral Requirements: Different species of plants and corals have varying light requirements, often described in terms of PAR (Photosynthetically Active Radiation). Selecting the appropriate wattage ensures that the light spectrum and intensity align with the needs of specific aquatic life, promoting healthy growth and vibrant colors.
What is the Ideal Color Temperature for Aquarium Plants and Fish?
This consideration of color temperature directly impacts the success of an aquarium setup. Inadequate lighting can lead to poor plant growth, increased algae proliferation, and stressed fish, which can undermine the aquarium ecosystem. For instance, studies have shown that plants under optimal light conditions can grow up to 30% faster than those under suboptimal lighting, highlighting the importance of appropriate color temperature.
Benefits of using the ideal color temperature include enhanced plant growth, improved fish health, and a visually appealing aquarium. Affordable LED lighting options are available that provide the necessary spectrum without breaking the bank. Many modern LED lights are designed to offer adjustable color temperatures, allowing hobbyists to customize their aquarium lighting for maximum effect. For example, some products feature programmable settings that can mimic natural day/night cycles, further promoting the well-being of both plants and fish.
Best practices for achieving the ideal color temperature include selecting LED lights that specifically state their color temperature range and ensuring that they cover the full spectrum necessary for both plants and fish. Regularly monitoring the health of plants and fish can also guide adjustments in lighting conditions, helping to create a balanced and thriving aquatic environment. Utilizing a timer to simulate natural daylight cycles can also enhance the growth and health of the aquarium’s inhabitants, ensuring a beautiful and sustainable setup.
Which Brands Offer the Best Affordable LED Lighting Solutions for Aquariums?
BeamsWork is a great choice for those just starting out, as their products are designed to be user-friendly and budget-conscious. Their LED fixtures provide enough light for most freshwater fish and plants, making them a solid choice for novice aquarists.
Odyssea lights are appreciated for their dual features, often incorporating both daylight and moonlight settings, which can create a more natural environment for fish. These lights are also adjustable, allowing users to control the intensity based on specific aquarium needs.
Current USA is known for its energy-efficient LED options that help lower electricity costs while still providing ample lighting for aquatic life. Their products also often include programmable timers and color-changing capabilities that can enhance the visual appeal of the aquarium.
What Are the Features of Recommended Budget-Friendly LED Brands?
When looking for the best affordable aquarium LED lighting, several features stand out among recommended brands:
- Energy Efficiency: Budget-friendly LED lights are designed to consume less power while providing sufficient brightness for your aquarium. This not only helps reduce electricity bills but also minimizes heat output, which is beneficial for maintaining stable water temperatures.
- Full Spectrum Light: Many affordable LED options offer full spectrum lighting, which mimics natural sunlight. This feature promotes healthy plant growth and enhances the colors of fish, creating a vibrant underwater environment.
- Adjustable Brightness and Color Temperature: Some brands provide adjustable settings that allow users to customize brightness and color temperature. This versatility enables aquarists to simulate natural day-night cycles and cater to the specific needs of different aquatic species.
- Durability and Water Resistance: Quality budget LED lights are often built with durable materials and are water-resistant to withstand the humid environment of an aquarium. This ensures longevity and reliability, reducing the need for frequent replacements.
- Easy Installation: Affordable LED lights typically come with user-friendly installation options, including mounting brackets or clips. This allows for quick setup, making it accessible for both novice and experienced aquarists.
- Low Heat Emission: Unlike traditional lighting, budget LED lights emit very little heat, which is crucial for maintaining optimal water temperatures. This feature helps protect sensitive aquatic life and reduces the risk of overheating the aquarium.
- Compact Design: Many affordable LED lights come in sleek, compact designs that can fit various aquarium sizes and types. This makes them an ideal choice for aquarists with limited space or those looking for a more aesthetically pleasing setup.
How Can You Effectively Install and Maintain LED Lighting in Your Aquarium?
To effectively install and maintain LED lighting in your aquarium, it’s essential to consider the types of LEDs available, their placement, and ongoing maintenance practices.
- Choosing the Right LED Lights: Selecting high-quality, affordable LED lights designed for aquariums is crucial. Look for options that offer a full spectrum of light, which supports plant growth and enhances the colors of fish, ensuring that they are suitable for both freshwater and saltwater setups.
- Proper Installation: Ensure that the LED lights are installed at the correct height above the aquarium to provide optimal light penetration without overheating the water. Use adjustable mounting brackets or hanging kits, and consider the specific needs of the aquarium’s inhabitants when determining the light intensity and duration.
- Regular Maintenance: Keeping the LED fixtures clean is vital for maintaining their efficiency and lifespan. Regularly wipe down the lights to remove dust and algae buildup, and check for any signs of wear or damage in the wiring and fixtures to prevent potential hazards.
- Light Timing and Duration: Implementing a consistent light schedule mimics natural conditions for aquatic life. A general rule is to provide 8-12 hours of light per day, but adjust the timing based on the specific needs of your plants and fish to encourage healthy growth and reduce algae growth.
- Monitoring Water Temperature: LED lights can generate heat, so it’s essential to monitor the water temperature to avoid stressing the aquatic life. Ensure that the lighting system does not cause the water temperature to rise above the ideal range for the specific species in your aquarium.
What Are Common Installation Mistakes to Avoid?
Common installation mistakes when setting up aquarium LED lighting can lead to poor performance and health issues for aquatic life.
- Incorrect Placement: Placing lights too high or too low can affect the light distribution in the tank. If lights are too high, they may not provide sufficient intensity, leading to inadequate growth for plants and algae; conversely, if they are too low, it can cause overheating and stress to the fish.
- Ignoring Light Spectrum: Using LED lights without considering the spectrum can hinder plant growth and overall tank aesthetics. Different aquatic plants require specific wavelengths for photosynthesis, so selecting LEDs that provide a balanced spectrum is crucial for maintaining a healthy aquarium ecosystem.
- Overlighting: Installing too many LED fixtures can lead to excessive light intensity, causing algae blooms that can suffocate plants and harm fish. It’s important to balance the number of lights with the needs of the organisms in the tank, ensuring that they receive enough light without overwhelming them.
- Inadequate Timer Use: Failing to use a timer for the lighting system can lead to inconsistent lighting schedules that stress aquatic life. Proper light cycles mimic natural conditions, which are vital for the well-being of fish and plants, so setting a timer ensures they receive the required day/night rhythm.
- Neglecting Heat Management: Not considering the heat output of LED lights can lead to elevated temperatures in the aquarium, affecting fish health. While LEDs produce less heat than traditional lights, they can still contribute to temperature changes, so ensuring proper ventilation and cooling is essential.
What Pitfalls Should You Avoid When Choosing Aquarium LED Lighting?
When selecting the best affordable aquarium LED lighting, there are several pitfalls to avoid to ensure you make a wise investment.
- Ignoring the Light Spectrum: Different aquatic plants and fish require specific light spectrums for optimal growth and health. Failing to choose a light that provides the right spectrum can lead to poor plant development and stress among fish.
- Overlooking Energy Efficiency: While affordability is key, it’s important to consider energy efficiency as well. LED lights that consume less power can save you money on electricity bills in the long run, making them a more economical choice overall.
- Neglecting the Size of Your Aquarium: Aquarium lighting should be proportional to the size of your tank. If you choose a light that is too weak for a larger aquarium, it can lead to inadequate illumination, while a light that is too strong can create heat issues and stress aquatic life.
- Choosing Poor Quality Fixtures: Not all LED lights are created equal; some are made with inferior materials that may fail sooner than expected. Investing in quality fixtures can ensure durability and consistent performance over time.
- Forgetting About Mounting Options: The way you mount your lighting can significantly impact its effectiveness. Not considering adjustable or versatile mounting options can lead to problems such as uneven light distribution or difficulty in changing bulb angles as needed.
- Ignoring User Reviews and Ratings: Skipping research on user reviews and ratings can lead to poor purchasing decisions. Feedback from other aquarium enthusiasts can provide insights into the performance and reliability of specific LED lights.
- Not Considering Additional Features: Many affordable LED lights come with features like programmable timers, dimmers, or color-changing options. Overlooking these can limit your ability to create a suitable environment for your aquatic life.