Deepbodied Crucian Carp (Carassius cuvieri)

Family: Cyprinidae

Deepbodied Crucian Carp — a Cyprinidae from Japan (introduced to China), mostly peaceful community fish. Reaches 36–52.8 cm; singly or in small groups depending on temperament. 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6–8
GH hardness
5–19 dGH
Adult length
36–52.8 cm
Minimum tank
500 L
Water layer
Active throughout the water column
Difficulty
Moderate
Temperament
Mostly peaceful community fish
Origin
Japan (introduced to China)

Species overview

Carassius cuvieri, a member of the family Cyprinidae, comes from Japan (introduced to China), where it inhabits clear streams and rivers over gravel. Mostly peaceful community fish and accepts quality flakes, granules and frozen foods, it grows to 36–52.8 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. Other Carassius species in our database include Carassius auratus, Carassius langsdorfii.

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 depending on temperament
Diet
Accepts quality flakes, granules and frozen foods
Recommended tankmates
  • Robust schooling cyprinids — Add activity without conflict
Avoid keeping with
  • Much larger predators — Risk at night

Breeding & notes

Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Egg-scatterer; no parental care

Frequently asked questions

Is Deepbodied Crucian Carp easy to keep?

A moderate-level species: mostly peaceful community fish; stable water matters more than fancy equipment.

What temperature and water chemistry does Deepbodied Crucian Carp need?

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

How big does Deepbodied Crucian Carp get, and what tank size?

Full size is 36–52.8 cm. Minimum tank: 500 L, with open swimming space along its active throughout the water column habits.

What does Deepbodied Crucian Carp eat?

Accepts quality flakes, granules and frozen foods. Vary the menu — quality flakes or pellets plus frozen or live foods.

Can Deepbodied Crucian Carp live with other fish?

Mostly peaceful community fish. Recommended tankmates: Robust schooling cyprinids — Add activity without conflict. Avoid Much larger predators — Risk at night.

Where does Deepbodied Crucian Carp come from?

Native to Japan (introduced to China), where it lives in clear streams and rivers over gravel. Moderate, well-oxygenated current; Appreciates well-oxygenated water.

Does Deepbodied Crucian Carp jump?

Not a noted jumper — a standard cover still keeps dust and spray in.

How does Deepbodied Crucian Carp breed?

In the aquarium: egg-scatterer; no parental care. Males often slimmer and more colourful.