The Bay cardinalfish (Foa brachygramma) is a fish that lives in both fresh and salt water of the family Apogonidae that grows up to 6 cm.
Description
The weed cardinalfish is a cardinalfish (Apogonidae) endemic to the Hawaiian Islands in the central Pacific. The species is small and has a stocky, translucent, brownish-speckled body with large eyes, well camouflaged among vegetation. It lives among seagrass, heavy algal growth and rubble of shallow, sheltered areas over sandy bottoms. Nocturnally it hunts small zooplankton and small invertebrates. The male broods the eggs in his mouth. The species is harmless to humans.
Frequently asked questions
How do you recognise the Bay cardinalfish?
The Bay cardinalfish has a torpedo-shaped body, is mainly brown and shows a spots pattern.
Where does the Bay cardinalfish live?
The Bay cardinalfish lives in both fresh and salt water and is mostly found around stony or rocky ground.
How big does the Bay cardinalfish get?
The Bay cardinalfish grows to a maximum of about 6 cm.
Is the Bay cardinalfish dangerous to humans?
No, the Bay cardinalfish is harmless to humans.
Is the Bay cardinalfish edible?
The Bay cardinalfish is not usually eaten.
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Foa
More from the family Apogonidae
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.