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Species: Hypoplectrus atlahua, Jarocho Hamlet

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head, body & fins dark brown
violet: around eye, spots & lines on head, spot on opercle
SW Gulf Mexico

Hypoplectrus atlahua Tavera & Acero, 2012

Jarocho Hamlet

Head and body deep, strongly compressed; forehead straight; snout relatively short (11.8-13% SL); top jaw protrusible, large (18.2-23.2% SL); 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 14-16; dorsal fin X, 14-15, no notch after spines, membranes between spines not indented; pectoral fins long (35.3-38.8% SL); pelvics relatively short, (26.8-27.4% SL, not reaching anal fin) and rounded; tail fin slightly forked; lateral line scales 55-57; soft dorsal and anal fins mostly scaleless.

Body uniform dark brown; head dark brown; eye dark brown; a violet ring around lower half of eye, violet speckling on cheek & sides of snout; a violet dotted lines under eye, 4 such lines on lower corner of operculum, reaching onto chest; a prominent violet spot at the top corner of the operculum; dorsal fin dark brown; tail fin dark brown, with a pale center; anal fin dark brown; pelvic fins dark brown with a violet leading edge; pectorals clear.

Reaches at least 13.2cm.

Lives on reefs.

Depth range: 3-20 m?

Currently known only from the SW Gulf of Mexico.

Note: Atavistic color forms can resemble H. fFloridae.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef only
  • Rocks
  • Corals
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent only
  • GC endemic
  • Gulf of Mexico endemic
  • All species
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 13.2
Depth Range Min
  • 3
Depth Range Max
  • 20