What is the minimum tank size for Red Tail Black Shark?

The minimum tank size for Red Tail Black Shark is 30 gallons.

What temperature does Red Tail Black Shark need?

Red Tail Black Shark requires a temperature range of 72-80°F with a pH of 6.5-7.5.

Is Red Tail Black Shark peaceful or aggressive?

Red Tail Black Shark is semi-aggressive. It grows to 5.0 inches and requires a intermediate level of care.

Red Tail Black Shark — Fish Profile

Epalzeorhynchos bicolor

Quick Specs

Adult Size:	5.0"
Temperament:	semi-aggressive
Care Level:	intermediate
Min Tank Size:	30 gallons
Temperature:	72-80°F
pH Range:	6.5-7.5
Diet:	omnivore
Origin:	Southeast Asia (Thailand)
Lifespan:	5-8 years

Overview

Red Tail Black Sharks are striking freshwater fish with a jet-black body and vivid red tail fin. Despite the name, they are not true sharks but members of the carp family. They are highly territorial, especially toward their own kind and other bottom-dwelling fish. Provide plenty of hiding spots with caves and driftwood. Only one per tank is recommended.

Care Guide for Red Tail Black Shark

Tank Setup

Red Tail Black Shark requires a minimum tank size of 30 gallons. Maintain water temperature between 72°F and 80°F, with a pH range of 6.5 to 7.5. A properly sized tank with adequate filtration and regular water changes is essential for long-term health. When housing Red Tail Black Shark with other species, always choose a tank size that accommodates the most demanding fish in the community.

Feeding

Red Tail Black Shark is a omnivore feeder. Provide a varied diet appropriate for omnivore species to ensure optimal health and coloration. Feed small portions 2–3 times daily, and remove uneaten food after a few minutes to maintain water quality.

Temperament & Compatibility

This species is classified as semi-aggressive. Red Tail Black Shark reaches an adult size of 5.0 inches and has a care level of intermediate. Always research compatibility before adding new fish to an established aquarium. Individual temperament can vary, so monitor new introductions closely for the first 48 hours.

Origin & Lifespan

Red Tail Black Shark originates from Southeast Asia (Thailand) and has an expected lifespan of 5-8 years when kept in proper water conditions with appropriate tank mates and diet.

Compatible Tank Mates

🟢 Good Tank Mates

Gourami Danio Barb Rainbowfish Swordtail

High-quality flake food for community fish