Balkan Loach (Cobitis elongata)

Family: Cobitidae

Balkan Loach — a Cobitidae freshwater fish. Reaches 10–14.6 cm; keep at 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
10–14.6 cm
Minimum tank
256 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful bottom-dweller

Species overview

Cobitis elongata of the family Cobitidae is an aquarium-kept Cobitidae. Peaceful bottom-dweller and omnivore with a carnivorous tilt; sinking foods, it grows to 10–14.6 cm and prefers 18–26 °C water. Other Cobitis species in our database include Cobitis lutheri, Cobitis shikokuensis, Cobitis sinensis.

Native biotope

Habitat
Sandy stretches of slow rivers
Flow
Gentle current
Dissolved O₂
Tolerates moderate oxygen levels

Aquascape & hardware

Substrate
Fine sand for burrowing
Hardscape
Smooth stones and driftwood caves
Plants
Low-light tolerant plants

Temperament, diet & tankmates

Schooling
Loosely social; keep in small groups
Diet
Omnivore with a carnivorous tilt; sinking 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
Females noticeably plumper when mature
Breeding method
Rare in home aquaria

Frequently asked questions

Is Balkan Loach easy to keep?

Intermediate difficulty. Peaceful bottom-dweller; loosely social; keep in small groups.

What temperature and water chemistry does Balkan Loach need?

Aim for 18–26 °C. Room temperature stable range; 18–26 °C typical for the genus.

How big does Balkan Loach get, and what tank size?

Full size is 10–14.6 cm. Minimum tank: 256 L, with open swimming space along its bottom-dwelling habits.

What does Balkan Loach eat?

Omnivore with a carnivorous tilt; sinking foods. It forages naturally over fine sand for burrowing, so let some food reach the bottom.

Can Balkan Loach live with other fish?

Peaceful bottom-dweller; loosely social; keep in small groups. 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 Balkan Loach come from?

Its habitat is sandy stretches of slow rivers — gentle current, tolerates moderate oxygen levels.

How does Balkan Loach breed?

Rare in home aquaria. Females noticeably plumper when mature.