Fin's Fish Guide
The Threadfin cardinalfish (Zoramia leptacantha) is a fish of the family Apogonidae that grows up to 6 cm.
Description
The threadfin cardinalfish is a cardinalfish (Apogonidae) from the Indo-West Pacific. The species is small and partly translucent, with a bluish sheen and a thread-like extended first dorsal fin. By day it forms dense schools that hover above and among branching coral of sheltered lagoons and reefs. At night it disperses to hunt small zooplankton. The male broods the eggs in his mouth. The species is harmless to humans.
Frequently asked questions
How do you recognise the Threadfin cardinalfish?
The Threadfin cardinalfish has a flattened, disc-shaped body, is mainly white and shows a plain pattern. Partly translucent with a thread-like dorsal fin; shoals above branching coral, the male is a mouthbrooder.
Where does the Threadfin cardinalfish live?
The Threadfin cardinalfish is mostly found around stony or rocky ground. Indo-West Pacific; branching coral of lagoons and reefs.
How big does the Threadfin cardinalfish get?
The Threadfin cardinalfish grows to a maximum of about 6 cm. On average the species is around 5 cm.
Is the Threadfin cardinalfish dangerous to humans?
No, the Threadfin cardinalfish is harmless to humans. None required: this species is harmless to humans.
Is the Threadfin cardinalfish edible?
The Threadfin cardinalfish is not usually eaten.
More photos
Want the complete picture on the Threadfin cardinalfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Threadfin cardinalfish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Zoramia
More from the family Apogonidae
Want the complete picture on the Threadfin cardinalfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Threadfin cardinalfish is one of 12,519 species in the app.