Court jester goby
Koumansetta rainfordi · Gobiidae
Also known as Rainford's goby, Old glory
Intermediate
A striped nano goby that grazes film algae off rock and sand in a mature tank.
In short: A court jester goby needs at least 60 L (16 US gal), water at 23–27 °C (73–81 °F) and pH 8.1–8.4. It is peaceful, usually kept singly, and rated intermediate to keep.
Updated
- Minimum tank
- 60 L (16 US gal)
- Temperature
- 23–27 °C (73–81 °F)
- pH
- 8.1–8.4
- Adult size
- 7 cm (2.8 in)
- Group size
- 1+
Reef & marine husbandry
- Specific gravity
- 1.023–1.026
- Reef safety
- Reef safe
- With corals
- Reef safe.
- With inverts
- Reef safe.
- Minimum in a mixed reef
- 60 L (16 US gal)
- Minimum fish-only (FOWLR)
- 60 L (16 US gal)
- Aggression
- Peaceful.
- Feeding
- Needs algae film plus small daily feeds.
Care requirements
- Minimum tank volume
- 60 L (16 US gal)
- Temperature
- 23–27 °C (73–81 °F)
- pH
- 8.1–8.4
- Hardness
- 8–12 dGH
- Lifespan
- 2–5 years
- Diet
- Omnivore — film algae, cyclops, mysis, small pellets.
- Care level
- Intermediate
Origin & habitat
- Native region
- Western Pacific
- Water type
- Saltwater
- Biotope
- Silty algae-covered rubble
- Natural conditions
- Mature rock, gentle flow.
Behaviour & stocking
- Temperament
- Peaceful
- Minimum group
- 1 fish
- Swims
- Bottom
- Good tank mates
- ClownfishFirefishCardinalfish
- Avoid
- Aggressive dottybacksBare new tanks
Breeding & difficulty
- Breeding difficulty
- Advanced
- Sexing
- Not reliably sexable.
- Notes
- Rarely bred.
- Common ailments
- Starvation in immature tanksMarine ich
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