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Hemilutjanus macrophthalmos (Tschudi, 1845)
GRAPE-EYE SEABASS
Life   Vertebrata   Fish   Serranidae   Hemilutjanus

Hemilutjanus macrophthalmos
© Copyright Photographer/SFTEP, 2002 · 0
Hemilutjanus macrophthalmos

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Overview
Main identification features Body deep, compressed, back high; head compressed, pointed, profile from snout to nape ~straight; eye large; mouth large, oblique, lower jaw projects to join forehead profile, top jawbone wide; teeth small, simple, in bands on jaws & roof of mouth; preopercle serrated; 29-32 long, slender rakers on 1st gill arch; lateral line from operculum to tail, follows humped contour of back; scales small, rough, on head, snout and jaws; dorsal X,10-11; anal III,9, spines increase in length to rear; pelvics inserted immediately behind pectoral base, reach to anus; tail very slightly concave.

Pale greenish-grey, silvery grey below; conspicuous dark line along lateral line; fine pale; iris whitish.

Size: 50 cm.

Habitat: demersal on rocky bottoms.

Depth: 10-55 m.

Ecuador and Peru, the Galapagos.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 55 m.
Depth Range Min: 10 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=2; Southern limit=-20; Western limit=-93; Eastern limit=-70; Latitudinal range=22; Longitudinal range=23.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Pelagic.
Global Endemism: TEP non-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: 50 cm.
Regional Endemism: Island (s); Continent; Temperate Eastern Pacific, primarily; Continent + Island (s); Tropical Eastern Pacific (TEP) non-endemic; Peruvian province, primarily; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Near Bottom; Bottom + water column;


Names
Scientific source:

Links to other sites

References
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Hooker, Y., 1998., Fauna asociada a las aguas cálidas presentes en la Bahía de Pucusana durante El Niño 1997-98, Junio a Julio de 1997., Instituto del Mar del Peru, Informe., 85:3-20.
  • Humann, P., 1993., Reef Fish Identification: Galapagos., New World Publishing:192pp.
  • McCosker , J.E. and Humann, P.H., 1996., New records of Galápagos fishes., Charles Darwin Foundation, Noticias de Galápagos., 56:18-26.
  • Molina, L., Danulat, E., Oviedo, M., González, J.A., 2004., Guía de especies de interés pesquero en la Reserva Marina de Galápagos., Fundación Charles Darwin / Agencia Espeñola de Cooperación Internacional / Dirección Parque Nacional Galápagos, 115pp.
  • Tschudi, J. J. von., 1846., Ichthyologie. Pp. ii-xxx + 1-35, Pls. 1-6. In: Untersuchungen über die Fauna Peruana., Scheitlin & Zollikofer:1-693.

Acknowledgements

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


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