Mongolian Taimen (Hucho taimen)

Family: Salmonidae

Mongolian Taimen — a Salmonidae freshwater fish. Reaches 150–220 cm; keep at 20–26 °C.

Care parameters

Water temperature
20–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
150–220 cm
Minimum tank
500 L
Water layer
Middle of the water column
Difficulty
Moderate
Temperament
Peaceful community fish

Species overview

Hucho taimen is a Salmonidae. In the aquarium it stays peaceful community fish. Plan on 150–220 cm of adult fish at 20–26 °C. In a community tank it pairs well with Similar-sized peaceful community fish.

Native biotope

Habitat
Warm freshwater streams and lakes
Flow
Still to gentle current
Dissolved O₂
Moderate oxygen levels

Aquascape & hardware

Substrate
Fine sand and gravel
Hardscape
Driftwood and smooth stones
Plants
Hardy common aquarium plants

Temperament, diet & tankmates

Schooling
Small groups recommended
Diet
Omnivore; quality prepared foods
Recommended tankmates
  • Similar-sized peaceful community fish — Similar size and water needs
Avoid keeping with
  • Much smaller fish — May outcompete or bully tiny tankmates

Breeding & notes

Sexual dimorphism
Subtle external differences
Breeding method
Not documented in home aquaria

Frequently asked questions

Is Mongolian Taimen easy to keep?

Intermediate difficulty. Peaceful community fish; small groups recommended.

What temperature and water chemistry does Mongolian Taimen need?

Aim for 20–26 °C. Stable temperature matching the species origin; 20–26 °C general community range.

How big does Mongolian Taimen get, and what tank size?

Full size is 150–220 cm. Minimum tank: 500 L, with open swimming space along its middle of the water column habits.

What does Mongolian Taimen eat?

Omnivore; quality prepared foods. It forages naturally over fine sand and gravel, so let some food reach the bottom.

Can Mongolian Taimen live with other fish?

Peaceful community fish; small groups recommended. Good company: Similar-sized peaceful community fish — Similar size and water needs. Keep away from Much smaller fish — May outcompete or bully tiny tankmates.

Where does Mongolian Taimen come from?

It lives in warm freshwater streams and lakes. Still to gentle current; Moderate oxygen levels.

Does Mongolian Taimen jump?

Jumping is not a known issue; cover the tank anyway during water changes.

How does Mongolian Taimen breed?

In the aquarium: not documented in home aquaria. Subtle external differences.