Fin's Fish Guide
The Damselfish (Acanthochromis polyacanthus) is a saltwater fish of the family Pomacentridae that grows up to 16 cm.
Description
The spiny chromis is a damselfish of the family Pomacentridae from the western Pacific. The species grows to about 16 cm and has a stocky body grading from dark at the head to lighter at the tail. Adults inhabit inshore and offshore coral reefs. Notably, this is the only damselfish without a pelagic larval stage: the young hatch directly as small fish and stay with the parents, who protect and defend the brood for weeks. As an omnivore it feeds on zooplankton, algae and small invertebrates. The species is harmless to humans.
Frequently asked questions
How do you recognise the Damselfish?
The Damselfish has a flattened, disc-shaped body, is mainly brown and shows a plain pattern. The only damselfish without a pelagic larval stage; the parents protect the brood for weeks.
Where does the Damselfish live?
The Damselfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Western Pacific; inshore and offshore coral reefs.
How big does the Damselfish get?
The Damselfish grows to a maximum of about 16 cm.
Is the Damselfish dangerous to humans?
No, the Damselfish is harmless to humans. None required: this species is harmless to humans.
Is the Damselfish edible?
The Damselfish is not usually eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
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Status & sources
More from the family Pomacentridae
Want the complete picture on the Damselfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Damselfish is one of 12,519 species in the app.