Shorefishes of the Greater Caribbean online information system

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Species: Gillellus greyae, Arrow Stargazer

All Families:   All Genera:   All Species:

6 narrow bars, 1st through D finlet
D XVII-XX, 20-24
lower lip flaps 5-11 (4-16)
A 31-35
straight LL 22-25

Gillellus greyae Kanazawa, 1952

Arrow Stargazer

Body compressed, tapering to tail; head moderate size; tubular nostrils; eyes on top of head, not on stalks, with a ring of flaps at their tips; mouth upturned, with a protruding lower jaw, 5-11 (4-16) skin flaps on lower lip, none on top lip; upper part of operculum with a frill of skin flaps; dorsal fin in 2 sections, 1st section a finlet of III spines with origin on nape, sometimes 1-2 free spines behind this, then main fin, XVIII-XX spines, 20-24 soft rays; 31-35 anal soft rays; pelvic fins inserted under throat, each with I, 3, rays thickened and free at the tips; lateral line bends down just behind spiny section of dorsal fin; 22-23 scales on arched section of lateral line, 22-25 on straight section, total scales 50-58; scales large, smooth, head and underbelly behind pelvic fins scaleless.

Pale, with 6 narrow dark bars on upper back down to midline, from nape to tail fin base, 1st bar through front of dorsal fin and edge of operculum, with incomplete secondary bars in between those; a dark bar between eyes extending down below them; top of head with irregular blotching.

Reaches 9.8 cm.

Lives in sand in seagrass beds and mixed in with boulders and coral.

Depth range: 1-27 m.

Bermuda to Brazil.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Brooded
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent + Island (s)
  • Extends South of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 9.8
Depth Range Min
  • 1
Depth Range Max
  • 27