Rainbow snakehead
Channa bleheri
- Tank length
- 90 cm35 in
- Start with
- 1
- Temperature
- 20–27 °C68–81 °F
- pH
- 6–8
- Adult size
- 8.7 cm3.4 in
- Lifespan
- 8–10 yrs
A dwarf snakehead that still eats small fish and fights its own kind; keep singly or as a pair with a lid.A dwarf snakehead that still eats small fish and fights its own kind; keep singly or as a pair with a lid.
Tank sizes
Good tankmates
Avoid with
Assassin snailRainbow snakehead may eat Assassin snailRainbow snakehead may eat Assassin snail
Celestial pearl danioRainbow snakehead may eat Celestial pearl danioRainbow snakehead may eat Celestial pearl danio
Cherry shrimpRainbow snakehead may eat Cherry shrimpRainbow snakehead may eat Cherry shrimp
- Cherry spot rasbora
Rainbow snakehead may eat Cherry spot rasboraRainbow snakehead may eat Cherry spot rasbora
Ember tetraRainbow snakehead may eat Ember tetraRainbow snakehead may eat Ember tetra
- Glowlight rasbora
Rainbow snakehead may eat Glowlight rasboraRainbow snakehead may eat Glowlight rasbora
Glowlight tetraRainbow snakehead may eat Glowlight tetraRainbow snakehead may eat Glowlight tetra
- Horned nerite snail
Rainbow snakehead may eat Horned nerite snailRainbow snakehead may eat Horned nerite snail
- Kubotai rasbora
Rainbow snakehead may eat Kubotai rasboraRainbow snakehead may eat Kubotai rasbora
Lambchop rasboraRainbow snakehead may eat Lambchop rasboraRainbow snakehead may eat Lambchop rasbora
- Least killifish
Rainbow snakehead may eat Least killifishRainbow snakehead may eat Least killifish
- Malaysian trumpet snail
Rainbow snakehead may eat Malaysian trumpet snailRainbow snakehead may eat Malaysian trumpet snail
Data used by the planner
| Temperature | 20–27 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
|---|---|---|
| pH | 6–8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 1–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Origin | Brahmaputra drainage, Assam, India | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | moderate | curated-v0 (needs expert review) · medium confidence |
| Activity | sedentary | curated-v0 (needs expert review) · medium confidence |
| Swimming level | bottom | curated-v0 (needs expert review) · medium confidence |
| Temperament | predatory | curated-v0 (needs expert review) · medium confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | No | curated-v0 (needs expert review) · medium confidence |
| Territorial | Yes | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | No | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 1 | curated-v0 (needs expert review) · medium confidence |
| Diet | carnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 8–10 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 12 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 90 | curated-v0 (needs expert review) · medium confidence |