Species: Hypoplectrus gemma, Blue hamlet
C upper & lower rays black
Hypoplectrus gemma Goode & Bean, 1882
Blue hamlet
Head and body deep, strongly compressed; forehead straight; snout relatively short; top jaw protrusible; rear of top jaw exposed when mouth closed, without accessory bone above it; teeth fixed; preoperculum angular, serrated, several small forward pointing spines on lower edge near the corner; gill rakers 17-23; dorsal fin X, 14-17, no notch after spines, membranes between spines not indented; pelvics long, reach to or beyond anus; tail fin slightly forked; lateral line scales 48-53; soft dorsal and anal fins mostly scaleless.
Head and body bright blue; dorsal and anal fins blue at front; tail fin clear, upper and lower borders black.
Reaches 13 cm.
Lives on reefs.
Depth range: 3-20 m.
The northern Greater 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
- Habitat
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- Reef (rock/coral/oyster)
- Reef associated (reef + edges-water column & soft bottom)
- Reef only
- Rocks
- Corals
- FishBase Habitat
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- Reef Associated
- Feeding Group
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- Carnivore
- Data
- Diet
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- Bony fishes
- Data
- Mobile benthic crustacea (shrimps/crabs)
- Egg Type
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- Pelagic larva
- Data
- Pelagic
- Global Endemism
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- All species.
- Greater Caribbean endemic
- West Atlantic Endemic
- Regional Endemism
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- Island (s)
- Continental primarily
- GC endemic
- Continent
- All species..
- Continent + Island (s)
- Residency
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- Resident
- Climate Zone
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- Subtropical (23-35N, Florida / Carolinas / Bermuda)
- IUCN Red List
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- Listed
- Least concern
- CITES
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- Not listed
- Length Max
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- 13
- Depth Range Min
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- 3
- Depth Range Max
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- 20
