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Ilypnus luculentus (Ginsburg, 1938)
Life   Vertebrata   Fish   Gobiidae   Ilypnus

Ilypnus luculentus
© Copyright Ross Robertson, 2006 · 12
Ilypnus luculentus

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Main identification features
  • slender, compressed
  • 1st dorsal fin v
  • uniformly light
  • mouth slightly oblique, short
  • shoulder: 2 skin flaps
Slender, compressed; ridge over eye expanded at rear; tongue tip in 2 lobes; mouth slightly oblique, short, ends under rear part of pupil; shoulder girdle in front of pectoral fin base with 1-3 (usually 2) skin flaps; dorsal fins with IV-VII (usually V) spines, 1st spine sometimes a little prolonged; 2nd dorsal 17-19 (usually 17) rays; anal 16-18 rays; scales tiny, smooth, imbedded in skin, moderately overlapping in large individuals, absent before dorsal fin, on throat or base of pectoral.

Color: overall light, without blotch on gill cover.

Size: reaches 5.3 cm.

Habitat: intertidal on sand and mud bottoms.

Depth: 0-3 m.

Lower Gulf of California.

Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 3 m.
Depth Range Min: 0 m.
Diet: mobile benthic crustacea (shrimps/crabs); mobile benthic worms; mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=32; Southern limit=24; Western limit=-115; Eastern limit=-110; Latitudinal range=8; Longitudinal range=5.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 5.3 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Cortez province endemic; All species.
Residency: Resident.
Salinity: Brackish; Non Marine.
Water Column Position: Bottom; Bottom only;

Scientific source:

Links to other sites

  • Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo .  Derechos reservados de los autores y Conservación Internacional.
  • Ginsburg, I., 1938., Eight new species of gobioid fishes from the American Pacific coast., Allan Hancock Pacific Expeditions, 2(7):109-121.


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