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Species: Gobiosoma schultzi, Maracaibo Goby

All Families:   All Genera:   All Species:

no head barbels
pores: opercle 0; preopercle 2
male D: no filamentous spine
both sexes grey-brown + pale irregular bars
D2 I, 10: A 9; pectoral 17
pelvic disc oval
2 patches scales - behind pectoral base & 7-14 rows on tail base, none on C

Gobiosoma schultzi (Ginsburg, 1944)

Maracaibo Goby

Body robust, head rounded, broader than deep; no head barbels; 1 pore between eyes; no pore over opercle; 2 preopercular pores; upper lip separated from snout by a groove along its top edge; teeth in upper jaw enlarged in outer row only, lower jaw with enlarged teeth in outer and inner row; no teeth on roof of mouth; gill membranes broadly joined to body under throat, with 5 rays; dorsal fin VII (no spines filamentous) + I, 10 (10-11); length of 2nd dorsal base > distance from 2nd dorsal base to tail fin; anal fin I, 9 (7-9); pectoral 17 (16-19), rounded; pelvic I, 5, fused into an oval disc extending 3/4 distance to anus; tail fin 14 branched rays, rounded to oval; lateral scales 23; scales on side interrupted, with an isolated small patch of scales just behind pectoral fin base and 7-14 rows on tail base, none on tail fin; no lateral line.

Usually diffusely and irregularly barred, alternating lighter and darker, irregular regions; often nearly uniformly colored, especially in larger males, bottom usually more or less pigmented, moderately or not much lighter than sides; tail uniformly pigmented or faintly cross-barred, bar at tail fin base usually more prominent.

Size: 2.7 cm.

Habitat: coastal habitats in gravel and sand also in rubble and small rocks.

Depth: 0-2 m.

Known only from Lake Maracaibo.


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Salinity
  • Brackish
  • Freshwater
  • Non Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
Habitat
  • Rocks
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Estuary
  • Freshwater
  • Reef (rock/coral/oyster)
  • Reef and soft bottom
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
Diet
  • Data
  • Insects
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Caribbean endemic
  • Continent
  • Continent only
  • GC endemic
  • All species
Residency
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 2.7
Depth Range Min
  • 0
Depth Range Max
  • 2