The Cook's cardinalfish (Ostorhinchus cookii) is a saltwater fish of the family Apogonidae that grows up to 10 cm.
Description
The Cook's cardinalfish is a cardinalfish (Apogonidae) from shallow reef water of the Indo-West Pacific. The species grows to about 9 cm and has a stocky, yellow-white with dark longitudinal stripes body with large eyes and two dorsal fins. As a nocturnal fish it shelters by day among coral and in crevices and hunts small zooplankton and small crustaceans by night. The male broods the eggs in his mouth. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Cook's cardinalfish?
The Cook's cardinalfish has a flattened, disc-shaped body and is mainly yellow-gold.
Where does the Cook's cardinalfish live?
The Cook's cardinalfish lives in the sea (marine waters) and is mostly found around stony or rocky ground.
How big does the Cook's cardinalfish get?
The Cook's cardinalfish grows to a maximum of about 10 cm.
Is the Cook's cardinalfish dangerous to humans?
No, the Cook's cardinalfish is harmless to humans.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Ostorhinchus
More from the family Apogonidae
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