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Red tail shark, photographed on a transparent background

FreshwaterComing soon140 coinsUncommon

Red tail shark

Epalzeorhynchos bicolor

It takes over a cave and bursts out of it to drive off any intruders.

The Red tail shark (Epalzeorhynchos bicolor) is a tropical freshwater fish of the family Cyprinidae. It lives on the bottom. Adults grow to about 13 cm. The IUCN Red List rates it Critically Endangered. In the aquarium it needs a tank at least 120 cm long and water at 22–27 °C.

Size
13 cm
Smallest tank
120 cm
Temperature
22–27 °C
Care
Moderate

In the aquarium

Temperature22–27 °C
pH6.5–7.8
Hardness4–16 °dGH
Temperament
Aggressive
Diet
Omnivore
Activity
Moderate
Water layer
Bottom
Group
Lives on its own
Plants
Plant safe
Drawn to scale in a 120 cm tank

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

  • Nano60 cm · 65 litresToo small
  • Standard90 cm · 180 litresToo small
  • Wide120 cm · 300 litres21 of them
  • Living room180 cm · 650 litres46 of them
  • Showcase250 cm · 1,200 litres85 of them
  • Gallery300 cm · 1,440 litres102 of them

Who it lives with

Gets along28 species
Caution1 species

Narrow shared temperature range

Not together70 species

In the wild

Water type
Freshwater
Climate zone
Tropical
Habitat
On the bottom
Aquarium trade
Very common

Conservation status

Classification

  1. OrderCypriniformes
  2. FamilyCyprinidae
  3. GenusEpalzeorhynchos
  4. SpeciesEpalzeorhynchos bicolor
  5. Described bySmith, 1931

In other languages

English
Red-tailed Black Shark
German
Feuerschwanz-Fransenlipper
Spanish
Tiburón bicolor
Russian
Лабео двухцветный
Japanese
レッドテールブラックシャーク

Quick answers

Red tail shark size: how big does it get?
Adults reach about 13 cm. Record sizes among the 4 Epalzeorhynchos species on LumaReef: 9.3 cm (Redfin Shark) to 16 cm (Flying Fox Carp).
Red tail shark tank size: what is the minimum?
A tank at least 120 cm long. In LumaReef that is the Wide tank or larger.
Red tail shark water parameters: what does it need?
Temperature 22–27 °C, pH 6.5–7.8, hardness 4–16 °dGH. Close to what most Epalzeorhynchos on LumaReef need (20–26 °C).
Red tail shark tank mates: what can it live with?
It gets along with 28 of the 99 freshwater species in the catalogue, such as Swordtail, Freshwater angelfish, and Dwarf gourami.
Red tail shark: alone or in a group?
It can be kept on its own.
Red tail shark and plants: is it plant safe?
Yes, it leaves plants alone.
Red tail shark: is it endangered?
The IUCN Red List rates it Critically Endangered. Threatened among the 4 assessed Epalzeorhynchos species on LumaReef: 2.

All Cyprinidae speciesAll species A–Z

Sources

Red tail shark: compiled from these references.