Species: Neopomacentrus cyanomos, Crescent damselfish, Regal demoiselle, Violet demoiselle
dark brown
shoulder: black blotch
Neopomacentrus cyanomos (Bleeker, 1856)
Regal demoiselle, Violet demoiselle, Crescent damselfish
Body an elongate oblong, compressed; teeth on jaws in 2 rows, at least at front; outer row of teeth with flattened tips; rear edge of preopercle rippled or finely serrated; gill rakers 21-24 (6-8 + 15-17); dorsal fin XIII,11-12; anal II, 10-12; pectoral 17-18; rear tips of dorsal and anal fins of adult filamentous; tail fin lunate, tips filamentous, in adult, its base without projecting spiny rays; head largely scaled; edge of bone under eye hidden by scales; scales large, 16-18 on lateral line.
Head and body dark brown; scales on back and lower body sometimes with indistinct bluish spots, one per scale; a large, oval black spot with greenish iridescence at origin of lateral line at top corner of operculum; dorsal fin dark brown, with a dark rear filament, and a prominent white to yellow blotch at rear insertion, that extends out along rear border of fin; tail fin dark brown, with an abruptly white to yellowish crescent along the rear edge and center of fin; anal and pelvic fins brown to whitish brown; pectoral translucent, with dark spot at its upper base.
Reaches 12.5 cm
Aggregations in near-bottom waters over coral heads and at the tops of upcurrent edges of small and large dropoffs, on outer reefs as well as inshore on sheltered reefs.
Depth range 0-53 m
Indo-West Pacific; introduced to the Gulf of Mexico and SE Caribbean
High Resolution Map Download
- Salinity
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- Marine
- Marine Only
- Inshore/Offshore
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- Inshore Only
- Inshore
- Water Column Position
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- Bottom
- Bottom only
- Habitat
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- Reef only
- Rocks
- Reef (rock/coral/oyster)
- Reef associated (reef + edges-water column & soft bottom)
- FishBase Habitat
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- Reef Associated
- Feeding Group
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- Data
- Planktivore
- Diet
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- Data
- Zooplankton
- Egg Type
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- Data
- Benthic
- Pelagic larva
- Global Endemism
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- All species.
- Exotic (Introduced)
- Greater Caribbean non-endemic
- Regional Endemism
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- Exotic (Introduced)
- Continent
- Continent only
- All species..
- GC non-endemic
- Residency
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- Resident
- Climate Zone
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- Equatorial (0-10N, Costa Rica / Venezuela)
- Tropical (10-23N, Nicaragua / Cuba)
- IUCN Red List
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- Vulnerable
- Listed
- CITES
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- Not listed
- Length Max
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- 12.5
- Depth Range Min
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- 0
- Depth Range Max
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- 53
