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Psenes pellucidus Lütken, 1880
BLACKRAG
Eyebrow Fish; Scissortail; Short-finned Trevalla; Caristiodes amplipinnis Whitley, 1948; Seriolella noel Whitley, 1958; Bluefin Driftfish

Life   Vertebrata   Fish   Nomeidae   Psenes

Psenes pellucidus
© Copyright Photographer/SFTEP, 2002 · 0
Psenes pellucidus

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Psenes pellucidus
© Copyright Roger Steene, 2006 · 0
Psenes pellucidus
espańol

Overview
Main identification features
  • slender; body not soft
  • 2nd dorsal fin : 26-35; anal fin has 27-31 rays
  • adult dark;juvenile translucent
  • bottom teeth greater than top
  • pectoral rounded
Adult elongate, compressed (deeper in juveniles); body soft, flabby; fatty ring around moderate eye; operculum thin, with 2 short spines; mouth small, at front; jaw teeth small, conical, 1 row, adult lower jaw with long knife-like teeth; 2 dorsal fins, XI-XII + I, 26-35; can fold into groove; 1st dorsal origin over or before pectoral base; anal III, 27-31; pectorals short, rounded, 18-20 rays, lengthen with age; tail forked, rounded tips; pelvic inserted before or under pectoral; lateral line high along back; branched mucous canal along length of flank; scales very small, 115-125 on lateral line; bases of dorsal and anal with scaly sheath; scales extend forward onto nape as a tongue-shaped patch reaching between eyes.

Adult: dark brown to purplish-black, dark blue eye, bases of median fins translucent; juvenile: translucent, with irregular brown spotting, dark 1st dorsal fin.

Size: 80 cm.

Habitat: oceanic, young around jellyfishes.

Depth: 0-1000 m.

Circumtropical; Southern California to Peru, the Galapagos and Malpelo.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 1000 m.
Depth Range Min: 0 m.
Diet: bony fishes; pelagic jellyfish/ctenophores; zooplankton; pelagic fish larvae.
Eastern Pacific Range: Northern limit=34; Southern limit=-9; Western limit=-119; Eastern limit=-78; Latitudinal range=43; Longitudinal range=41.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore; Planktivore.
FishBase Habitat: Bathypelagic.
Global Endemism: Circumtropical ( Indian + Pacific + Atlantic Oceans); East Pacific + Atlantic (East +/or West); Transisthmian (East Pacific + Atlantic of Central America); East Pacific + all Atlantic (East+West); TEP non-endemic; All species.
Habitat: Water column; Flotsam; Jellyfish.
Inshore Offshore: Offshore; Offshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 80 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); Tropical Eastern Pacific (TEP) non-endemic; Eastern Pacific non-endemic; All species.
Residency: Vagrant.
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.
  • Eschmeyer , W. N. , Herald , E. S. and Hamman, H., 1983., A field guide to Pacific coast fishes of North America from the Gulf of Alaska to Baja California. Peterson Field Guide Ser. 28., Houghton Mifflin:336pp.
  • Grove , J.S. and Lavenberg, R. J., 1997., The fishes of the Galápagos islands., Stanford University Press:863 pp.
  • Günther, A., 1889., Report on the pelagic fishes collected by H. M. S. Challenger during the years 1873-76., Rep. Sci. Res. Voy. H.M.S. Challenger, 31:1-47.
  • Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.
  • Lütken,., 1880., Spolia Atlantica. Bidrag til Kundskab om Formforandringer hos Fiske under deres Vaext og Udvikling, saerligt hos nogle af Atlanterhavets Ho{/jso{/fiske., Dansk. Vid. Selsk. Skrift. Kjo{/benhavn (Ser. 5), 12:409-613.

Acknowledgements

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


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