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Species: Haptoclinus dropi, Spotted Four-fin Blenny

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D: spine I longest, 12
body & fins: spotted
no scales
pectoral 12
SE Caribbean

Haptoclinus dropi Baldwin & Robertson, 2013

Spotted Four-fin Blenny

Body elongate; head large, pointed, without spines or papillae; front nostril in a long tube, rear nostril a hole without a flap; mouth large, oblique, opens at the front; front edge of the top lip free of snout; teeth small, pointed, on both jaws (1 row, a second inner row of 2-5 teeth at front) and in 1 row on center and sides of roof of mouth; no opercular spine; dorsal fin in 4 parts, III+I+XIII spines, spine I is longest, a low membrane connecting last spine & 1st ray, + 12 rays, fin starts on head, over preoperculum; anal fin II, 19; pectoral 12, pointed in center, reaches back to over 3rd anal fin ray; pelvic fin I, 3, last ray reduced to a tiny knob the size of the rudimentary spine; tail fin truncate; fin rays all unbranched; body scaleless; no lateral line tubes or canals on body.

Body pale grey; side of belly with rectangular blotch of orange-brown with whitish bar across center; spinal column with series of eight internal, irregular orange blotches; upper & lower trunk profiles each with row of 8-9 orange/brown spots; head grey, densely speckled with fine black dots; nape orange-brown, with several yellow blotches; iris orange, yellowish inner ring; yellow bar before & below eye to front of mouth; operculum pale orange, with two yellow-orange spots on lower edge; 1st dorsal finlet (spines I-III) creamy yellow, with 4 brown cross-bars, 2nd finlet (spine IV) translucent, remainder of fin translucent, with 2-3 irregular rows of round orange-brown spots; anal fin translucent, 2 rows of round orange-brown spots; tail fin translucent, with row of round, mostly orange spots along top & bottom edges & 2 vertical rows across rear 1/3 of fin; pectoral and pelvic fins translucent.

Reaches 2.6 cm

Lives on rocky bottom.

Depth 157-274 m.

Known only from Roatan and Curacao.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef only
  • Rocks
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Planktivore
  • Data
  • Zooplankton
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Brooded
  • Data
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Antilles endemic
  • Caribbean endemic
  • GC endemic
  • Island (s)
  • Island (s) only
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 2.6
Depth Range Min
  • 157
Depth Range Max
  • 274