Subtotal: £70.65
Original price was: £15.99.£13.55Current price is: £13.55.
Welcome these beautiful Red-Line Tetras into your aquarium! This listing includes 10 individual vibrant South American Tetras. Known for their stunning red line, these peaceful companions thrive in freshwater, adding elegance and liveliness to your community tank. Perfect for aquarists seeking beautiful fish.
1999 in stock
The Red-Line Tetra, scientifically known as Paracheirodon innesi, is a stunning member of the Characidae family. Native to the freshwater rivers and streams of South America, particularly in the Amazon Basin, these fish thrive in warm, slow-moving waters filled with dense vegetation. Their natural habitat is characterized by soft, acidic waters, which provide a perfect environment for their vibrant colors to flourish. The Red-Line Tetra is often confused with its close relative, the Neon Tetra, but it stands out due to its distinctive red line that runs along its body, adding a splash of color that captivates aquarists and enhances any aquarium setup. These peaceful fish are a popular choice among hobbyists looking to create a lively and colorful community tank.
| Optimal Living Conditions | |
|---|---|
| Water Temperature | 24-27°C (75-81°F) |
| pH Level | 6.5-7.5 |
| Water Hardness | 4-12 dKH |
| Minimum Tank Size | 80L (20 gal) |
| Salinity | Freshwater |
| Care Level | Beginner Friendly |
✓ Care Level: Easy
Red-Line Tetras are known for their active and social nature. In the wild, they are found in schools, which is essential for their well-being in captivity. Keeping them in groups of six or more not only mimics their natural behavior but also helps reduce stress and promote a healthy environment. These fish are peaceful and make excellent companions for other non-aggressive species, making them ideal for community tanks. Their playful swimming patterns and vibrant movements add life to any aquarium, creating a dynamic and engaging display. Observing their interactions within a school can be a delightful experience, as they dart around the tank, showcasing their vibrant colors and lively behavior.
Creating an ideal environment for Red-Line Tetras involves replicating their natural habitat as closely as possible. A well-planted aquarium with plenty of hiding spots will provide these fish with a sense of security. Use a fine substrate like sand or small gravel, which allows for easy planting of aquatic plants. Adding driftwood and rocks can create natural hiding places, while live plants such as Java Moss, Anubias, and Amazon Sword not only enhance the aesthetics but also improve water quality by providing oxygen and absorbing nitrates. Ensure that the tank has gentle filtration to avoid strong currents, as these fish prefer calm waters. The lighting should be moderate, allowing for plant growth while mimicking the dappled light found in their natural habitat.
Maintaining optimal water quality is crucial for the health of Red-Line Tetras. Regular testing of water parameters such as pH, temperature, and hardness is essential. The ideal pH range for these fish is between 6.0 and 7.5, with a temperature range of 22-28°C (72-82°F). Soft, slightly acidic water is preferred, so consider using peat moss or driftwood to help lower pH levels if necessary. Regular water changes of 20-30% weekly will help maintain water quality by removing harmful toxins and replenishing essential minerals. Additionally, ensure that the filtration system is appropriate for the tank size, providing adequate circulation without creating strong currents that could stress the fish.
Red-Line Tetras are omnivorous and thrive on a varied diet that includes high-quality flakes, pellets, and occasional live or frozen foods such as brine shrimp or daphnia. A balanced diet is essential for their health, growth, and vibrant coloration. It is recommended to feed them small amounts 2-3 times a day, ensuring that all food is consumed within a few minutes to prevent overfeeding and water quality issues. Additionally, incorporating vegetable matter such as spirulina or blanched spinach can provide essential nutrients and promote overall health. Regularly monitoring their feeding habits and adjusting portions based on their activity level will help keep them in optimal condition.
When considering tank mates for Red-Line Tetras, it is important to choose peaceful species that share similar water requirements. They coexist well with other small, non-aggressive fish such as Guppies, Corydoras, and other Tetras. Avoid larger or aggressive species that may view them as prey or compete for food. A well-planned community tank can enhance the beauty of your aquarium, as the vibrant colors of Red-Line Tetras will contrast beautifully with other species. Ensuring that all fish are compatible in terms of temperament and environmental needs will create a harmonious aquatic environment.
Maintaining the health of Red-Line Tetras involves regular monitoring of their behavior and physical appearance. Common issues include stress from poor water quality, which can lead to diseases such as ich or fin rot. Signs of illness may include lethargy, loss of appetite, or visible lesions. To prevent these issues, ensure that water parameters are stable and that the tank is adequately filtered and maintained. Quarantine new fish before introducing them to the main tank to prevent the spread of diseases. Providing a balanced diet and minimizing stressors will contribute to the overall wellness of these beautiful fish.
Breeding Red-Line Tetras can be a rewarding experience for aquarists. These fish are egg scatterers, and to encourage breeding, it is best to set up a separate breeding tank with soft, slightly acidic water. Provide fine-leaved plants or spawning mops for the female to lay her eggs. After spawning, the parents should be removed to prevent them from eating the eggs. The eggs typically hatch within 24-36 hours, and the fry will require infusoria or finely crushed flakes until they are large enough to consume regular food. Maintaining stable water conditions and providing adequate food will ensure the successful growth of the fry.
Acclimating Red-Line Tetras to a new environment is crucial for their health and well-being. When introducing them to your aquarium, it is important to take your time. Begin by floating the sealed bag in the tank for about 15-20 minutes to equalize the temperature. After that, gradually mix small amounts of tank water into the bag over the course of an hour. This process helps the fish adjust to the water chemistry of their new home. Once acclimated, gently release them into the tank using a net to avoid introducing excess water from the bag. Monitoring their behavior during the first few days will help ensure they are adjusting well to their new environment.
Red-Line Tetras can live for several years with proper care, typically around 5-8 years in a well-maintained aquarium. As they grow, it is important to monitor their health and adjust their diet and living conditions accordingly. Regular water changes, tank maintenance, and monitoring of water parameters will contribute to a longer lifespan. Keeping a close eye on their behavior and physical condition will help catch any potential health issues early. Providing a stable environment with minimal stress will ensure that your Red-Line Tetras thrive for years to come.
To recreate the natural habitat of Red-Line Tetras, focus on creating a biotope that mimics the conditions of their native waters. This includes using dark substrates, such as fine gravel or sand, and incorporating driftwood and rocks to provide hiding spots. Dense planting with species like Java Fern, Amazon Sword, and floating plants can create a shaded environment that resembles their natural surroundings. The use of leaf litter can also enhance the aesthetic and provide a natural food source for fry. Maintaining soft, acidic water conditions will further replicate their habitat, promoting health and well-being.
Seasonal changes can affect the care of Red-Line Tetras, particularly in terms of temperature and lighting. During warmer months, ensure that the tank temperature does not exceed 28°C (82°F) to prevent stress. In cooler months, consider using a heater to maintain a stable temperature within the recommended range. Adjusting the lighting duration can also be beneficial; aim for 10-12 hours of light per day to promote plant growth while mimicking natural day/night cycles. Regular monitoring of water parameters during seasonal changes will help maintain a healthy environment for your fish friends.
For those looking to enhance their experience with Red-Line Tetras, consider the following expert tips. First, maintaining a stable environment is key; fluctuations in water parameters can lead to stress and health issues. Secondly, providing a varied diet will not only promote health but also enhance coloration. Incorporating live foods occasionally can stimulate natural behaviors and encourage breeding. Lastly, keeping a close eye on tank dynamics will help ensure that all species coexist peacefully, allowing for a vibrant community tank that showcases the beauty of these aquatic companions.
Common issues with Red-Line Tetras often stem from water quality and compatibility. If you notice signs of stress, such as hiding or loss of appetite, check the water parameters immediately. High ammonia or nitrite levels can be harmful; ensure that your tank is properly cycled. If aggression is observed, re-evaluate tank mates and consider rearranging the tank layout to reduce territorial disputes. Regular maintenance and monitoring will help prevent most issues, allowing for a thriving aquarium environment.
The Red-Line Tetra belongs to the family Characidae, which includes many popular freshwater fish. Their scientific classification is Paracheirodon innesi, and they are closely related to the Neon Tetra. Research has shown that these fish play a vital role in their ecosystems, contributing to the biodiversity of the Amazon Basin. Conservation efforts are important to ensure their habitats remain protected, as deforestation and pollution threaten their natural environments. Understanding their biology and ecology is essential for responsible aquarium keeping.
For experienced aquarists, implementing advanced care techniques can enhance the well-being of Red-Line Tetras. Consider using a planted tank with CO2 injection to promote lush growth, which benefits both the fish and the overall aesthetics of the aquarium. Regularly rotating plants and decorations can prevent boredom and stimulate natural behaviors. Additionally, employing a breeding setup with specific water conditions can encourage successful spawning. Keeping detailed records of water parameters and fish behavior can also aid in fine-tuning care practices for optimal health.
Monitoring Tip: Test water parameters weekly and perform regular water changes to maintain optimal conditions for your aquatic friends!
For a school of Red-Line Tetras, a tank of at least 60 litres (approximately 15 gallons) is recommended. This size allows ample space for swimming and establishing territories. Tetras are schooling fish and thrive in groups of six or more, which helps reduce stress and promotes natural behaviour. When setting up the aquarium, consider the dimensions; a longer tank is preferable as it provides more horizontal swimming space. Additionally, ensure the aquarium is well-planted with hiding spots to mimic their natural habitat, which enhances their comfort and reduces territorial disputes.
✓ Expert Tip
Consider adding a soft substrate like sand or fine gravel, which is gentle on their delicate fins.
Red-Line Tetras prefer soft, slightly acidic water. Aim for a pH between 6.0 and 7.0, with a temperature range of 22-28°C (72-82°F). Additionally, the water hardness should be kept low, ideally between 2-15 dGH. Regular testing of these parameters is crucial to maintaining a healthy environment. Use a quality water conditioner to remove harmful chemicals from tap water. Frequent water changes of about 25% weekly will help maintain these parameters and promote overall fish health. Monitoring ammonia and nitrite levels is also essential, as these should remain at 0 ppm.
✓ Expert Tip
Consider using a high-quality filtration system to maintain water quality and clarity.
Feeding Red-Line Tetras should occur 1-2 times daily, providing only as much food as they can consume within 2-3 minutes. A varied diet is essential for their health; flake food can be supplemented with high-quality pellets, frozen food like brine shrimp, and live foods when available. This variety not only enhances their colouration but also mimics their natural feeding habits. Overfeeding can lead to poor water quality, so it is crucial to observe their eating patterns and adjust accordingly. Healthy fish will have a rounded belly without appearing bloated.
✓ Expert Tip
Consider using a feeding ring to prevent food from floating away and ensure all fish can access it.
Red-Line Tetras are peaceful and social fish, making them ideal companions for similarly temperate species. Suitable tank mates include other tetras, rasboras, and small corydoras catfish. Avoid aggressive or larger species, as they may intimidate or harm the tetras. Additionally, ensure that fish are not too small, as this could lead to predation. It is best to create a community tank with a variety of species that occupy different levels of the aquarium, providing a harmonious environment. Regular monitoring of interactions is recommended to ensure compatibility.
✓ Expert Tip
Introduce new fish gradually to reduce stress and allow for acclimatisation.
Acclimatisation is crucial when introducing Red-Line Tetras to a new aquarium. Begin by floating the sealed bag in the tank for about 15-20 minutes to equalise the temperature. Next, gradually mix tank water into the bag over an hour, allowing the tetras to adjust to the water parameters. This can be done by adding small amounts of tank water every 10-15 minutes. Finally, gently net the tetras into the aquarium, avoiding adding the bag water to prevent introducing any contaminants. This careful process reduces stress and helps ensure the health of your new aquatic companions.
✓ Expert Tip
Consider using a drip acclimation method for a more gradual transition.
Healthy Red-Line Tetras exhibit vibrant colours and active behaviour. Their fins should be fully extended, and they should swim freely, interacting with their surroundings and other fish. Look for clear eyes and well-defined body shapes without signs of bloating or lesions. They should also exhibit a calm disposition, avoiding excessive hiding or lethargy. Regular observation of your fish will help you quickly identify any changes in behaviour or appearance, which could indicate stress or illness. Maintaining optimal water conditions plays a significant role in their overall health.
✓ Expert Tip
Keep a journal to track your fish’s behaviour and health over time.
Breeding Red-Line Tetras can be a rewarding experience. To encourage breeding, maintain a separate breeding tank with soft, acidic water and a fine substrate or spawning mop. Provide a diet rich in protein to condition the breeding pair. Once the female is ready, she will lay eggs on the substrate or mop, and the male will fertilise them. After spawning, remove the parents to prevent them from eating the eggs. The eggs will hatch within 24-36 hours, and the fry should be fed infusoria or finely crushed flake food until they grow large enough for larger foods. Maintaining stable water conditions is key during this process.
✓ Expert Tip
Consider using a separate breeding tank to reduce stress on the parents and fry.
The ideal temperature range for Red-Line Tetras is between 22-28°C (72-82°F). It is essential to maintain a stable temperature, as fluctuations can stress the fish and lead to health issues. A reliable aquarium heater should be used to ensure consistent warmth. Regularly check the temperature with a thermometer to confirm it remains within the desired range. Additionally, avoid placing the aquarium in direct sunlight or near heat sources, as this can cause temperature spikes.
✓ Expert Tip
Consider using a heater with an adjustable thermostat for optimal temperature control.
With proper care, Red-Line Tetras can live for 5 to 8 years in captivity. Their lifespan is significantly influenced by water quality, diet, and overall tank conditions. Regular water changes and a varied diet contribute greatly to their longevity. Monitoring for signs of stress or illness is also crucial, as early intervention can prevent serious health problems. Ensuring they are kept in a suitable environment with appropriate tank mates will enhance their quality of life and lifespan.
✓ Expert Tip
Keep records of water parameters and fish health to identify trends over time.
A fine substrate, such as sand or small gravel, is most suitable for Red-Line Tetras. This type of substrate mimics their natural habitat and is gentle on their delicate fins. Avoid sharp-edged substrates, as they can cause injuries. Additionally, incorporating live plants into the tank will not only enhance the aesthetic appeal but also provide hiding spots that help the tetras feel secure. Regularly vacuuming the substrate will help maintain cleanliness and prevent the build-up of waste.
✓ Expert Tip
Consider layering the substrate for aesthetic depth, with larger gravel at the bottom and finer sand on top.
Red-Line Tetras are active and social fish, often seen schooling together in the aquarium. They exhibit playful behaviour, darting about and exploring their environment. You may also observe them establishing a pecking order within their school, which is a normal part of their social structure. During feeding times, they become particularly lively, competing for food. It is essential to provide ample space for swimming and hiding, as this will help reduce stress and promote natural behaviour. If kept in appropriate conditions, they will display their vibrant colours and lively antics.
✓ Expert Tip
Introduce a variety of decorations and plants to encourage natural exploration behaviour.
Preventing diseases in Red-Line Tetras primarily involves maintaining optimal water quality and a stress-free environment. Regular water changes, proper filtration, and monitoring water parameters are essential. Quarantine new fish before introducing them to the main tank to prevent the spread of potential diseases. Additionally, providing a varied diet rich in nutrients helps boost their immune systems. Observe your fish regularly for any signs of illness, such as changes in behaviour, appetite, or appearance. Early detection and treatment are crucial for successful disease management.
✓ Expert Tip
Consider using a high-quality water conditioner to neutralise harmful chemicals in tap water.
Red-Line Tetras thrive in moderate lighting conditions that simulate their natural habitat. Soft, diffused lighting is ideal, as it helps reduce stress and encourages natural behaviours. Excessive bright light can cause discomfort, leading to hiding or stress-related issues. Incorporating live plants can help diffuse the light and create shaded areas where the fish feel safe. A regular lighting schedule of about 10-12 hours a day should be maintained to mimic natural day/night cycles, promoting overall health and well-being.
✓ Expert Tip
Consider using LED lights with adjustable brightness to create suitable lighting conditions.
Recognising stress in Red-Line Tetras involves observing their behaviour and physical appearance. Signs of stress may include excessive hiding, erratic swimming patterns, loss of appetite, or faded colours. Additionally, fish may display signs of aggression towards tank mates or appear lethargic. Environmental factors, such as poor water quality, sudden temperature changes, or overcrowding, can contribute to stress. If you notice these signs, it is essential to assess tank conditions and make necessary adjustments to ensure a comfortable environment for your fish.
✓ Expert Tip
Introduce hiding spots and plants to create a more secure environment for your tetras.
To create an ideal environment for Red-Line Tetras, replicate their natural habitat found in freshwater rivers and streams of South America. This includes maintaining soft, slightly acidic water and providing ample vegetation. Incorporate driftwood, rocks, and live plants to create hiding spots and swimming spaces. Aim for a gentle water flow to mimic the current found in their natural environment. Additionally, consider adding leaf litter or natural substrates to enhance the substrate texture and provide a more authentic biotope. Regular maintenance of these elements will promote a healthy and vibrant aquarium.
✓ Expert Tip
Consider using natural decorations that are safe for fish to enhance the aesthetic and comfort of the aquarium.
Emily Carter (verified owner) –
After introducing the vibrant Red-Line Tetras to my 20-gallon community tank, I can honestly say they have transformed the entire atmosphere of my aquarium! I’ve been a freshwater fish enthusiast for over five years, and these little beauties are among my favorites. Their bright, luminous colors and lively behavior instantly captivated me and my family. I originally bought six, and within a week, they were schooling beautifully, bringing a sense of movement and joy to the tank.
Compared to other community fish I’ve had, like neon tetras, these Red-Line Tetras have a unique charm and a bit more personality. They seem to thrive in a planted environment, and I’ve noticed they’ve been more active since I added some floating plants for shade. The only concern I had was their slightly timid nature at first, but with the right tankmates, they quickly became more confident.
I highly recommend these tetras for anyone looking to add beauty and liveliness to their aquarium. They’re perfect for both beginners and seasoned hobbyists who appreciate a peaceful, colorful community. Definitely a worthwhile addition—I would buy them again in a heartbeat!
Emily Carter (verified owner) –
I recently purchased a school of Red-Line Tetras to add some color and liveliness to my tank, and I couldn’t be happier! These little guys have brought so much joy to my aquarium. After just two weeks, they’ve settled in beautifully, showing off their vibrant colors against the lush green plants. They swim in perfect harmony, and it’s a delight to watch them interact.
What I love most is that they are peaceful and low-maintenance, making them perfect for both beginners and seasoned aquarists. They thrive in a community tank alongside other tropical fish like my Neon Tetras, which has created a lively atmosphere.
One minor concern I had was their initial shyness, but after a few days, they became bold and started to explore every corner of the tank. I recommend providing plenty of hiding spots with plants and decorations to help them feel secure.
Shipping was quick, and they arrived in excellent condition, which shows the care of the seller. I highly recommend these Red-Line Tetras for anyone looking to add some beauty and activity to their freshwater tank. They truly are delightful little companions!