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Species: Pinnichthys aimoriensis, Many-ray Goby

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mid flank: row ~8 yellow-brown blotches surrounded by bright white
back 2 rows paired yellow-brown spots
D1 no elongate spines, white + central yellow-brown stripe
D2 I,10-11; A I, 10
lateral scale rows 42-47
body scales reach to pectoral base
pelvics: no front frenum, no membrane between inner rays; rays 1-4 branched, tips not fleshy
A: dark brown + white base & margin

Pinnichthys aimoriensis Van Tassell & Tornabene, 2016

Many-ray Goby

Body compressed, deep, robust; head plump, slightly wider than deep, cheeks not puffed; head without pores; eyes large, close together, at top of head profile; most parts of head and nape with papillae; anterior and posterior nostrils tubular, front one longer; tongue tip slightly notched; lower jaw without large canines; gill membranes broadly joined to body under throat, with 5 rays; gill rakers 11; dorsal fin VII (no spines elongate) + I, 10, soft rays branched once at tip; length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 10, soft rays branched once at tip; pectoral 18-19; pelvic fins I, 5, completely separate, no front frenum or membrane between bases of innermost rays, rays 1-4 branched, without fleshy tips, 5th ray unbranched, ½ length of 4th; head & front of body scaleless, scales in lateral series 40-47, originate at pectoral base, rough, except smooth on belly; with 2 large very rough scales on tail fin base; no lateral line.

Ground color of body and fins white; head with irregularly sized and distributed small yellow spots; iris white, upper half with yellow radial lines; row of ~ 7-8 large yellow-brown blotches along body midline from pectoral base to base of tail fin, those partly surrounded by bright-white areas ; back above that with yellow-brown spots, those in two rows and tending to be positioned in pairs; 1st dorsal white, with wide yellow-brown stripe along center, outer ½ of fin with dark dots; 2nd dorsal peppered with dark dots, with yellow-brown spots or broken stripes, outer edge white; tail fin pale, with yellow-brown spots and irregular vertical bars; anal fin dusky brown with white base and margin; pelvics with brown base, rest of fin white.

Reaches 2.9 cm.

Habitat: rock and rubble bottom.

Depth: 132-163m

Southern and eastern Caribbean

Note: similar to and may be conspecific with P. aimoriensis from Brazil.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Reef (rock/coral/oyster)
  • Reef and soft bottom
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • GC non-endemic
  • GC endemic
  • Island (s)
  • Island (s) only
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 2.9
Depth Range Min
  • 70
Depth Range Max
  • 163