Neoniphon opercularis   (Valenciennes,  1831) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Messersmith, J.

Color: Body iridescent silvery with dark red or black mark on each scale. Spinous portion of dorsal fin black; soft dorsal, anal and caudal fins reddish yellow; pectoral fins pink, pelvic fins white.

Its large spine at the corner of preopercle is venomous. Lower jaw strongly projecting.It raises or flashes its distinctly marked dorsal fin to startle possible predator.
It feeds mainly on benthic crabs and shrimps.

Synonym (s)
Kutaflammeo opercularis (Valenciennes, 1831)
Holocentrus opercularis (Valenciennes, 1831)
Flammeo opercularis (Valenciennes, 1831)
Holocentrum operculare Valenciennes, 1831

Common Name (s)
• black squirrelfish (English)
• Mouthfin squirrelfish (English)
Economic Importance and Threats
Importance:  Commercial
Threats:  Natural threats

Habitat:  Reef Associated



Literature Source(s)
  • Pillai, NGK (1995) Studies on some aspects of biology and ecology of coral reef fishes of Lakshadweep with observations on other coral reef ecosystems of India Mariculture Research under the Postgraduate Programme in Mariculture - Part 6 CMFRI Special Publication CMFRI 61 99-111 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -

Page last updated on:2010-12-14

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