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Species: Gillellus jacksoni, Jackson's stargazer

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6-7 narrow bars behind nape
D XVII-XX, 18-20
lower lip flaps 2-4
A 28-30
straight LL 18-19

Gillellus jacksoni Dawson, 1982

Jackson's 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, 2-4 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, XVII-XX spines, 18-20 soft rays; anal fin with 28-30 rays; pelvic fins inserted under throat, each with I, 3, rays thickened and free at the tips; scales large, smooth; lateral line bends down just behind spiny section of dorsal fin; 22-23 scales on arched section of lateral line, 18-19 on straight section, total scales 43-46; scales smooth, head and underbelly behind pelvic fins scaleless.

Pale, with 6-7 narrow dark bars between nape and tail fin base, those narrower than interspaces and of uniform thickness from top to bottom; incomplete secondary bars between those; top and upper sides of head mottled and blotched with brown.

Reaches 2.9 cm.

Lives in sand bottoms.

Depth range: 0-17 m.

The SE Caribbean.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
Habitat
  • Sand & gravel
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
Diet
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • Greater Caribbean endemic
  • All species
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • All species
  • Continent + Island (s)
  • GC endemic
  • Insular primarily
Residency
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 2.9
Depth Range Min
  • 0
Depth Range Max
  • 17