Fin's Fish Guide
The Freshwater demoiselle (Neopomacentrus aquadulcis) is a brackish-water fish of the family Pomacentridae that grows up to 7 cm.
Description
The freshwater demoiselle is a damselfish (Pomacentridae) from coastal, estuarine and lower river water of the Indo-West Pacific. The species grows to about 7 cm and has a deep, laterally compressed, grey-brown body with a yellow tail region. Unusually for the family it tolerates widely varying salinity into fresh water. As a social fish it stays in small groups above rock and roots and snaps at plankton and algae. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Freshwater demoiselle?
The Freshwater demoiselle has a flattened, disc-shaped body and is mainly silver-grey.
Where does the Freshwater demoiselle live?
The Freshwater demoiselle lives in brackish water and is mostly found around stony or rocky ground. Oceania: Papua New Guinea
How big does the Freshwater demoiselle get?
The Freshwater demoiselle grows to a maximum of about 7 cm.
Is the Freshwater demoiselle dangerous to humans?
No, the Freshwater demoiselle is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Neopomacentrus
More from the family Pomacentridae
Want the complete picture on the Freshwater demoiselle?
Point your camera at the fish and Fin names the species in seconds. Free, and the Freshwater demoiselle is one of 12,519 species in the app.