Shorefishes of the Eastern Pacific online information system

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Species: Ilypnus luculentus, Bright goby, Shining goby

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uniformly light
shoulder: 2 skin flaps

Ilypnus luculentus Ginsburg, 1938

Bright goby, Shining goby

Body slender, compressed; ridge over eye expanded at rear; tongue tip in 2 lobes; mouth slightly oblique, top jaw reaches under middle of eye; shoulder girdle before base of pectoral fin with 2 (1-3) skin flaps; dorsal fin V (IV-VII) + I, 17-19 rays; anal fin I, 16-18 rays; pelvics form a cup, inserted under base of pectoral fin; scales very small, smooth, imbedded in skin, absent on head, nape, throat and base of pectoral.

Overall light, without blotch on gill cover.

Size: reaches 5.3 cm.

Habitat: intertidal on sand and mud bottoms.

Depth: 0-3 m.

The Gulf of California.

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  • Brackish
  • Non Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom only
  • Bottom
  • Soft bottom only
  • Mud
  • Estuary
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
  • Mobile benthic gastropods/bivalves
  • No Data
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic larva
  • Benthic
  • No data
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • All species
  • Continent only
  • Continent
  • TEP endemic
  • Continental TEP endemic
  • Cortez province endemic
  • Resident
Climate Zone
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 5.3
Depth Range Min
  • 0
Depth Range Max
  • 3