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Cubiceps pauciradiatus Günther, 1872
LONGFIN CUBEHEAD
Keeled Cubehead; Longfin Fathead; Bigeye Cigarfish

Life   Vertebrata   Fish   Nomeidae   Cubiceps

Cubiceps pauciradiatus
© Copyright Photographer/SFTEP, 2002 · 0
Cubiceps pauciradiatus

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Overview
Main identification features
  • fatty ring around large eye
  • elongate; soft, flexible
  • pectoral past anal fin origin in adult
  • breast - bony keel
  • flank: branched mucous canal

Long-fin fat-head, Bigeye cigarfish

Body elongate, slender, compressed, soft and flexible; fatty ring around large eye; operculum thin, with 2 short spines; mouth small, at front; jaw teeth small, conical, 1 row; wide patch of flattened knob-like teeth on tongue and on roof of mouth; 22-26 rakers on 1st gill arch; sharp bony keel along breast; 2 dorsal fins, X-XI + I, 15-17; anal II, 14-16; origins of 1st dorsal and pelvic behind pectoral base; pectorals long, in adults extend past anal origin, 17-20 rays; tail forked, blunt tips; lateral line high along back; branched mucous canal along length of flank; scales moderate, smooth, 49-53 on lateral line; bases of dorsal and anal with scaly sheath; scales extend forward well onto snout.

Bluey brown, fins pale; inside mouth and gill chamber very dark.

Size: 20 cm.

Habitat: oceanic, juveniles around flotsam.

Depth: 60-100 m.

Circumglobal, tropical to temperate; the oceanic islands.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 100 m.
Depth Range Min: 60 m.
Diet: bony fishes; zooplankton; pelagic fish larvae; pelagic fish eggs.
Eastern Pacific Range: Northern limit=25; Southern limit=-2; Western limit=-115; Eastern limit=-82; Latitudinal range=27; Longitudinal range=33.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore; Planktivore.
FishBase Habitat: Bathypelagic.
Global Endemism: All Pacific (West + Central + East); Indo-Pacific only (Indian + Pacific Oceans); TEP non-endemic; "Transpacific" (East + Central &/or West Pacific); All species.
Habitat: Water column.
Inshore Offshore: Offshore; Offshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 20 cm.
Regional Endemism: Island (s) only; Island (s); Tropical Eastern Pacific (TEP) non-endemic; Eastern Pacific non-endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Mid Water; Near Surface; Surface; Water column only;


Names
Scientific source:

Links to other sites

References
  • Ahlstrom , E. H. , Butler , J. L..and Sumida, B. Y., 1976., Pelagic stromateoid fishes (Pisces, Perciformes) of the eastern Pacific: Kinds, distributions and early life histories and observations on five of these from the northwest Atlantic., Bull. Mar. Sci., 26:285-402.
  • Butler, J.L., 1979., The nomeid genus Cubiceps (Pisces) with a description of a new species., Bull. Mar. Sci., 29:226-241.
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • 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.
  • 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 III. Vertebrados - Parte 2., FAO3:1201-1813.
  • Galván-Magaña, F., Abitia-Cárdenas, L.A., Rodríguez-Romero, J., Pérez-España, H., Chávez-Ramos, H., 1996., Systematics list of the fishes from Cerralvo island, Baja California Sur, Mexico., Ciencias Marinas, 22:295-311.
  • Grove , J.S. and Lavenberg, R. J., 1997., The fishes of the Galápagos islands., Stanford University Press:863 pp.
  • Günther, A., 1872., On some new species of reptiles and fishes collected by J. Brenchley, Esq., Ann. Mag. Nat. Hist. (Ser. 4), 10:418-426.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.

Acknowledgements

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


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