Gymnocypris eckloni

Family: Cyprinidae

Gymnocypris eckloni — a Cyprinidae from Tibetan Plateau waters, calm giants; anything swallowable is food. Reaches 11.2–16.5 cm; singly or in small groups in long tanks. 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
11.2–16.5 cm
Minimum tank
327 L
Water layer
Active throughout the water column
Difficulty
Moderate
Temperament
Calm giants; anything swallowable is food
Origin
Tibetan Plateau waters

Species overview

Gymnocypris eckloni, a member of the family Cyprinidae, comes from Tibetan Plateau waters, where it inhabits clear streams and rivers over gravel. Calm giants; anything swallowable is food and accepts most foods; give it greens as well as protein, it grows to 11.2–16.5 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. Other Gymnocypris species in our database include Gymnocypris przewalskii.

Native biotope

Habitat
Clear streams and rivers over gravel
Flow
Moderate, well-oxygenated current
Dissolved O₂
Appreciates well-oxygenated water

Aquascape & hardware

Substrate
Fine gravel and sand
Hardscape
Water-worn stones and driftwood
Plants
Hardy rooted plants along the margins

Temperament, diet & tankmates

Schooling
Singly or in small groups in long tanks
Diet
Accepts most foods; give it greens as well as protein
Recommended tankmates
  • Other large temperate cyprinids — Match size, temperature and diet
Avoid keeping with
  • Warm-water tropicals — Need different temperatures

Breeding & notes

Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Spawning follows cold-season floods in nature; rarely in aquaria

Frequently asked questions

Is Gymnocypris eckloni easy to keep?

Intermediate difficulty. Calm giants; anything swallowable is food; singly or in small groups in long tanks.

What temperature and water chemistry does Gymnocypris eckloni need?

Aim for 18–26 °C. Room temperature to heated, depending on origin; 18–26 °C typical for the family.

How big does Gymnocypris eckloni get, and what tank size?

Expect 11.2–16.5 cm as an adult, living active throughout the water column. A 327 L tank or larger gives it room.

What does Gymnocypris eckloni eat?

Accepts most foods; give it greens as well as protein. Vary the menu — quality flakes or pellets plus frozen or live foods.

Can Gymnocypris eckloni live with other fish?

Yes, with care. Calm giants; anything swallowable is food — pair it with Other large temperate cyprinids — Match size, temperature and diet and skip Warm-water tropicals — Need different temperatures.

Where does Gymnocypris eckloni come from?

Its home waters are Tibetan Plateau waters — clear streams and rivers over gravel, with moderate, well-oxygenated current.

Does Gymnocypris eckloni jump?

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

How does Gymnocypris eckloni breed?

In the aquarium: spawning follows cold-season floods in nature; rarely in aquaria. Males often slimmer and more colourful.