Rasbora kobonensis

Family: Cyprinidae

Rasbora kobonensis — a Cyprinidae freshwater fish. Reaches 11–16.2 cm; keep at 22–26 °C.

Care parameters

Water temperature
22–26 °C
pH
6.2–7
GH hardness
5–15 dGH
Adult length
11–16.2 cm
Minimum tank
315 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Mostly peaceful; some species nip fins

Species overview

A Cyprinidae species: Rasbora kobonensis lives bottom-dwelling over gravel. Mostly peaceful; some species nip fins. Adults reach 11–16.2 cm. It is one of the aquarium-kept Rasbora species we profile, alongside Rasbora borapetensis, Rasbora caudimaculata, Rasbora einthovenii.

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
Shoaling; keep in groups of 6 or more
Diet
Omnivore; prepared foods with regular vegetable matter
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
Males often slimmer and more colourful
Breeding method
Egg-scatterer; no parental care

Frequently asked questions

Is Rasbora kobonensis easy to keep?

Intermediate difficulty. Mostly peaceful; some species nip fins; shoaling; keep in groups of 6 or more.

What temperature and water chemistry does Rasbora kobonensis need?

Hold 22–26 °C and keep it stable — 22.0–26.0 °C typical for the genus. Room temperature to heated, depending on origin.

How big does Rasbora kobonensis get, and what tank size?

Full size is 11–16.2 cm. Minimum tank: 315 L, with open swimming space along its bottom-dwelling habits.

What does Rasbora kobonensis eat?

Omnivore; prepared foods with regular vegetable matter. Vary the menu — quality flakes or pellets plus frozen or live foods.

Can Rasbora kobonensis live with other fish?

Mostly peaceful; some species nip fins. Recommended tankmates: Similar-sized peaceful community fish — Similar size and water needs. Avoid Much smaller fish — May outcompete or bully tiny tankmates.

Where does Rasbora kobonensis come from?

It lives in clear streams and rivers over gravel. Moderate, well-oxygenated current; Appreciates well-oxygenated water.

Does Rasbora kobonensis jump?

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

How does Rasbora kobonensis breed?

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