Bicolor blenny
Ecsenius bicolor · Blenniidae
Also known as Two-colour blenny
Beginner
Half brown, half orange, and it perches everywhere; occasionally nips coral when underfed.
- Minimum tank
- 110 L
- Temperature
- 23–27 °C
- pH
- 8.1–8.4
- Adult size
- 10 cm
- Group size
- 1+
Will it fit your tank?
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Sign in to check my tanksReef & marine husbandry
- Specific gravity
- 1.023–1.026
- Reef safety
- Reef safe with caution
- With corals
- May nip clam mantles and zoanthids if algae is scarce.
- With inverts
- Reef safe.
- Minimum in a mixed reef
- 110 L
- Minimum fish-only (FOWLR)
- 110 L
- Aggression
- Chases similar-shaped fish from its perch.
- Feeding
- Algae available all day plus daily feeds.
Care requirements
- Minimum tank volume
- 110 L
- Temperature
- 23–27 °C
- pH
- 8.1–8.4
- Hardness
- 8–12 dGH
- Lifespan
- 2–6 years
- Diet
- Omnivore — algae, nori, mysis, pellets.
- Care level
- Beginner
Origin & habitat
- Native region
- Indo-Pacific
- Water type
- Saltwater
- Biotope
- Rocky reef with algae film
- Natural conditions
- Mature rock, moderate flow.
Behaviour & stocking
- Temperament
- Semi-aggressive
- Minimum group
- 1 fish
- Swims
- Bottom
- Good tank mates
- ClownfishCardinalfishTangs
- Avoid
- Other Ecsenius blenniesSmall gobies in nano tanks
Breeding & difficulty
- Breeding difficulty
- Advanced
- Sexing
- Males are larger with brighter colour.
- Notes
- Rarely bred.
- Common ailments
- Marine ichStarvation
