FishBase | Search | All Living Things


Psenes sio Haedrich, 1970
TWOSPINE DRIFTFISH
Two-spine drift-fish

Life   Vertebrata   Fish   Nomeidae   Psenes

Psenes sio
© Copyright Ross Robertson, 2006 · 12
Psenes sio

Click on map for details about points.

IDnature guides

Links

    We parsed the following live from the Web into this page. Such content is managed by its original site and not cached on Discover Life. Please send feedback and corrections directly to the source. See original regarding copyrights and terms of use.
  • FishBase

español

Overview
Main identification features
  • elongate; not soft body
  • 2nd dorsal fin : 23-25; anal fin has 23-24 rays
  • top and bottom teeth different
  • pectoral: blunt point
  • brown + 3 bars; mouth yellow, opercle black
Two-spine driftish

Adult elongate, compressed (juvenile deeper bodied); body not soft and 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 knife-like teeth; 2 dorsal fins, rays XI-XII + I, 23-25; can fold into groove; 1st dorsal origin over or before pectoral base; anal II, 23-24; pectoral bluntly pointed (long in juvenile), 16-18 rays, lengthens with age; tail forked, tips rounded; pelvic inserted under or before pectoral, fins long in juvenile; lateral line high along back; branched mucous canal along length of flank; scales very small; bases of dorsal and anal with scaly sheath; scales extend forward onto nape as tongue-shaped patch reaching between eyes.

(Preserved juvenile) light brown, with 3 indistinct dark bars; 1st dorsal dark, other fins whitish; inside mouth yellow; iris grey; inside operculum black.

Size: 28 cm.

Habitat: oceanic.

Depth: 0-500 m.

Southern Baja and the mouth of the Gulf of California to Peru, and the Galapagos.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 500 m.
Depth Range Min: 0 m.
Diet: zooplankton; bony fishes; pelagic jellyfish/ctenophores; pelagic fish eggs.
Eastern Pacific Range: Northern limit=25; Southern limit=-15; Western limit=-112; Eastern limit=-73; Latitudinal range=40; Longitudinal range=39.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore; Planktivore.
FishBase Habitat: Bentho-Pelagic.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Water column.
Inshore Offshore: Offshore; Offshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 28 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); TEP 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.
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Chirichigno, N., 1978., Nuevas adiciones a la ictiofauna marina del Peru., Instituto del Mar del Peru, Informe., 46:1-109.
  • 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.
  • Haedrich, R.L., 1970., A new species in the nomeid fish genus Psenes from the equatorial eastern Pacific., Breviora, 351:1-7.
  • 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.
  • 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.

Acknowledgements

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


Supported by
go to Discover Life's Facebook group

Following modified from FishBase
   Top | See original

http://www.fishbase.org/Summary/speciesSummary.php?genusname=Psenes&speciesname=sio ---> https://www.fishbase.in/Summary/speciesSummary.php?genusname=Psenes&speciesname=sio
https://www.fishbase.in/Summary/speciesSummary.php?genusname=Psenes&speciesname=sio ---> https://www.fishbase.in/summary/Psenes-sio.html
Psenes sio, Twospine driftfish
You can sponsor this page

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Psenes sio Haedrich , 1970

Twospine driftfish Upload your photos  and  videos
Google image Image of Psenes sio (Twospine driftfish) No image available for this species;
drawing shows typical species in Nomeidae.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri (ray-finned fishes) > Scombriformes (Mackerels) > Nomeidae (Driftfishes)
Etymology: Psenes: Greek, psenos, -e, -on = without hair (Ref. 45335 ) .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic. Tropical; 10°N - 11°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Pacific: 1°18.3'S, 84°46.7' (Ref. 37428 ).

Updated: 2022-05-28 13:28:24 gmt
FishBase | Search | All Living Things | Top
© Designed by The Polistes Corporation