Redtail Shark

Redtail Shark
Latin name:
(Epalzeorhynchos bicolor)

Care Level





Black, Red



Preferred Conditions

72-79° F, KH 10-15, pH 6.5-7.5

Avg. Max Size


Minimum Tank Size

50 gallons


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Have you ever been captivated by the vibrant colors and sleek silhouette of the Redtail Shark? This freshwater fish, scientifically known as Epalzeorhynchos bicolor, has gained immense popularity among aquarium enthusiasts due to its striking appearance and lively behavior. In this comprehensive guide, we’ll delve into the fascinating world of the Redtail Shark, exploring its unique characteristics, care requirements, and captivating behaviors.

The Alluring Beauty of the Redtail Shark

The Redtail Shark is a sight to behold, with its elongated body adorned in a vibrant combination of red, black, and silver. Its sleek fins and forked tail add to its graceful appearance, making it a centerpiece of any aquarium. The fish’s coloration varies depending on its origin, with some specimens exhibiting more intense hues than others. This captivating fish can grow up to 6 inches in length, making it a substantial addition to your aquatic community.

Distinctive Features of the Redtail Shark

  • Elongated Body: The Redtail Shark possesses a slender, torpedo-shaped body that allows for swift and agile movements.
  • Vibrant Coloration: Its striking coloration, featuring a combination of red, black, and silver, makes it a standout in any aquarium.
  • Forked Tail: The fish’s forked tail adds to its graceful appearance and aids in its swimming prowess.
  • Barbels: The Redtail Shark has two pairs of barbels near its mouth, which it uses to navigate and locate food in dimly lit environments.

Unveiling the Redtail Shark’s Habitat and Care Requirements

To ensure the well-being of your Redtail Shark, it’s essential to provide an environment that mimics its natural habitat. This includes a spacious aquarium with plenty of swimming space, as well as appropriate water parameters and a well-balanced diet. Let’s delve into the specific care requirements of this captivating fish.

Creating an Ideal Aquatic Home

  • Aquarium Size: A 30-gallon aquarium is the minimum recommended size for a single Redtail Shark, with larger tanks being ideal for multiple individuals.
  • Water Parameters: The Redtail Shark thrives in water with a pH range of 6.5 to 7.5, a hardness range of 5 to 15 dGH, and a temperature range of 72°F to 82°F.
  • Filtration and Water Quality: A powerful filtration system is crucial to maintain pristine water quality, as the Redtail Shark is sensitive to poor water conditions.
  • Substrate and Decorations: A fine gravel or sand substrate is suitable for the Redtail Shark, along with rocks, driftwood, and live plants to provide hiding spots and create a natural environment.

Nurturing the Redtail Shark’s Dietary Needs

  • Omnivorous Diet: The Redtail Shark is an omnivore, accepting a variety of foods, including live, frozen, and freeze-dried foods, as well as high-quality flake or pellet foods.
  • Protein-Rich Diet: To support its active lifestyle, the Redtail Shark requires a diet rich in protein, which can be obtained from live or frozen foods such as brine shrimp, bloodworms, and daphnia.
  • Variety is Key: Offering a diverse diet is essential to ensure the Redtail Shark receives all the necessary nutrients for optimal health and vitality.

Unraveling the Redtail Shark’s Behavior and Compatibility

The Redtail Shark is known for its lively and active behavior, often swimming in the middle or upper levels of the aquarium. However, it can also be territorial and aggressive towards other fish, especially those of similar size or appearance. Understanding its behavioral traits and choosing compatible tankmates is crucial for a harmonious aquarium environment.

Exploring the Redtail Shark’s Temperament

  • Active and Lively: The Redtail Shark is a highly active fish that enjoys swimming and exploring its surroundings.
  • Territorial and Aggressive: It can exhibit territorial behavior, particularly towards fish of similar size or appearance, leading to aggression and potential harm.
  • Compatibility Considerations: Choosing compatible tankmates is essential to avoid conflicts and ensure the well-being of all aquarium inhabitants.

Selecting Suitable Tankmates for the Redtail Shark

  • Peaceful and Non-Aggressive: Ideal tankmates for the Redtail Shark include peaceful and non-aggressive fish species that won’t provoke its territorial instincts.
  • Avoid Similar-Looking Fish: Fish with similar coloration or body shape to the Redtail Shark should be avoided, as they may trigger its aggressive behavior.
  • Consider Community Tanks: With careful selection of tankmates, the Redtail Shark can thrive in a well-managed community aquarium.

FAQs: Unraveling Common Queries about the Redtail Shark

As an affiliate marketer promoting the Redtail Shark, you may encounter various questions from potential customers. Here are some frequently asked questions along with concise and informative answers to help you address their concerns effectively.

1. How Big Do Redtail Sharks Get?

Answer: Redtail Sharks can grow up to 6 inches in length, making them a substantial addition to your aquarium. However, their actual size may vary depending on factors such as diet, water quality, and overall tank conditions.

2. Can Redtail Sharks Live with Other Fish?

Answer: While Redtail Sharks can coexist with other fish, careful consideration must be given to their tankmates. They can be territorial and aggressive towards fish of similar size or appearance. Peaceful and non-aggressive species are generally suitable tankmates for the Redtail Shark.

3. What is the Ideal Diet for Redtail Sharks?

Answer: Redtail Sharks are omnivores and require a varied diet to thrive. Offer a combination of live, frozen, and freeze-dried foods, as well as high-quality flake or pellet foods. Include protein-rich foods such as brine shrimp, bloodworms, and daphnia to support their active lifestyle.

Conclusion: Unveiling the Enigmatic Charm of the Redtail Shark

The Redtail Shark captivates aquarium enthusiasts with its vibrant colors, lively behavior, and unique personality. By understanding its care requirements, behavioral traits, and compatibility needs, you can create an ideal environment for this captivating fish to thrive. Whether you’re a seasoned aquarist or just starting, the Redtail Shark offers a rewarding and engaging experience that will add beauty and vitality to your aquatic world.