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Overview |
Main identification features
- back: red-brown
- dorsal fin dark central spot
- c: grey-brown
- pectoral: dark + black dots, clear margin
- a: clear
Body relatively deep (depth <16% of standard length); head short, <22% of standard length; top jaw not protrusible; jaw teeth relatively large, with 1 point, sometimes with smaller points on sides; sides of roof of mouth with teeth; jaws ~equal length, or lower a little longer; juveniles with 2 fused barbels under chin; pelvic origin nearer operculum than base of tail fin, reaches just past anal origin; anal origin under or behind 3rd dorsal ray; pectoral reaches past anal base, 1st ray unbranched; no branch of lateral line to origin of pectoral; 14-16 dorsal rays; 9-10 anal rays, origin under 6th dorsal ray; 33-34 scales in front of dorsal fin.
Red-brown above, silver below; dorsal grey with dark spot in middle; pectorals dark, with numerous small black spots, rear border narrowly clear; anal clear; tail grey-brown; pelvics rays grey, membrane clear.
Size: 33 cm.
Habitat: surface pelagic, around offshore islands.
Depth: 0-5 m.
Indo-Pacific; the Revillagigedos and the Galapagos.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 20 m.
Depth Range Min: 0 m.
Diet: zooplankton; pelagic fish larvae; pelagic fish eggs.
Eastern Pacific Range: Northern limit=20; Southern limit=-2; Western limit=-115; Eastern limit=-90; Latitudinal range=22; Longitudinal range=25.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Planktivore.
FishBase Habitat: Pelagic.
Global Endemism: 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: 33 cm.
Regional Endemism: Island (s) only; Island (s); Eastern Pacific non-endemic; Multiple oceanic islands endemic; TEP oceanic island (s) endemic; Tropical Eastern Pacific (TEP) non-endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Surface; Water column only;
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Names |
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Links to other sites |
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References |
- Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
- Castro-Aguirre, J.L. and Balart, E.F., 2002., La ictiofauna de las islas Revillagigedos y sus relaciones zoogeograficas, con comentarios acerca de su origen y evolucion. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:153-170.
- 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.
- Fowler, H.W., 1944., Results of the Fifth George Vanderbilt Expedition (1941) (Bahamas, Caribbean sea, Panama, Galapagos Archipelago and Mexican Pacific Islands). The Fishes., Acad. Nat. Sci. Philadel., Monographs, 6:57-529.
- Jenkins, O. P., 1903., Report on collections of fishes made in the Hawaiian Islands, with descriptions of new species., Bull. U.S. Fish Comm., 22:415-511.
- Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
- Ricker, K.E., 1959., Fishes collected from the Revillagigedo Islands during the 1954-1958 cruises of the "Marijean."., Univ. Brit. Columbia Inst. Fish., Mus. Contrib., 4:10pp.
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Acknowledgements |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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Following modified from Australian Faunal Directory
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&pull 20q v5.145 20180528: Error 301 Moved Permanently http://biodiversity.org.au/afd/taxa/7291951b-8f50-448b-a475-468fcc8c3252 |
Following modified from Taiwan Biodiversity National Information Network
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&pull 20q v5.145 20180528: Error 404 Not Found http://taibnet.sinica.edu.tw/eng/taibnet_species_detail.php?gen=Cheilopogon&spe=atrisignis |
Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Cheilopogon&speciesname=atrisignis ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Cheilopogon&speciesname=atrisignis http://192.134.151.83/Summary/speciesSummary.php?genusname=Cheilopogon&speciesname=atrisignis ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Cheilopogon&speciesname=atrisignis &pull 20q v5.145 20180528: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Cheilopogon&speciesname=atrisignis |
Updated: 2024-03-29 15:38:36 gmt
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