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Lythrypnus alphigena Bussing, 1990
CHECK-SPOTTED GOBY
Life   Vertebrata   Fish   Gobiidae   Lythrypnus

Lythrypnus alphigena
© Copyright Photographer/SFTEP, 2002 · 0
Lythrypnus alphigena

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Lythrypnus alphigena
© Copyright Photographer/SFTEP, 2002 · 0
Lythrypnus alphigena
espaņol

Overview
Main identification features
  • head: bars above, cream spots below
  • body: grey, 10 wide brown bars
  • c: 6 faint bars
Cheek-spotted goby

Body deep and wide; head round; no crest along top of head and nape; mouth terminal, oblique; lower jaw slightly projecting; head without lateral line pores; papillae around mouth, on cheeks and operculum and over eye; front and rear nostril tubular; tongue rounded to blunt, not bilobed; 1st dorsal fin with VI spines, 1st spine filamentous, 13 dorsal rays; 11 anal rays; 21 pectoral rays; pelvics fused into disc; scales large, rough; head, nape, chest and pectoral base scaleless; ~37 lateral scale rows; tail short, round, with 17 segmented rays.

Grey; body with 10 narrow brown, dark edged bars and wider paler interspaces, narrow bars with dark line in center; brown reticulum below eye and on operculum; 4 brown bars across top of head; cheeks and lower head with large cream spots; fins dusky; spinous dorsal black at rear; soft dorsal with diffuse dark streaks; tail with 6 faint vertical bars.

Size: 4.4 cm.

Habitat: rocky bottoms.

Depth: 90-150 m.

Cocos Island.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 150 m.
Depth Range Min: 90 m.
Diet: mobile benthic crustacea (shrimps/crabs); zooplankton.
Eastern Pacific Range: Northern limit=6; Southern limit=6; Western limit=-88; Eastern limit=-87; Latitudinal range=1; Longitudinal range=1.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore; Planktivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 4.4 cm.
Regional Endemism: Island (s) only; Island (s); TEP endemic; TEP oceanic island (s) endemic; Cocos Island endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Bussing, W.A., 1990., New species of gobiid fishes of the genera Lythrypnus, Elacatinus and Chriolepis from the eastern tropical Pacific., Revista de Biologia Tropical, 38(1):99-118.
  • Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen II. Vertebrados - Parte 1., FAO2:647-1200.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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