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- FishBase
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español |
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Overview |
Main identification features
- snout: 2 rows tubercles
- male: dorsal fin black and orange
- male: head black, eye red
- female: pale, white flecks, brown spots
Dorsal rays XX-XXI, 13-14 (total elements 34-35); anal rays II, 21-23; pectoral rays 13; spines absent on top of head; two longitudinal bony ridges on snout broken into distinct tubercles; pelvic fins longer than pectoral fins; spiny dorsal fin strongly elevated and sail-like in males, only first 3 spines elongated in females; 3-5 small flag-like flaps on anterior edge of basal part of first dorsal spine of adult males; membranes between first 4 dorsal spines of males slightly to deeply incised.
Males with dark brown head and lighter brown body, sides with faint brown bars and white flecks; dorsal fin of males black at front, before an area with broad yellow or red zones between diagonal black bands; females generally pale, somewhat translucent with midlateral row of brown spots and numerous white flecks.
Size: attains 4 cm.
Inhabits empty mollusc tubes on sand-rubble bottoms.
Depth: 5-30 m.
Mazatlan, Mexico to Panama.
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: 30 m.
Depth Range Min: 5 m.
Diet: zooplankton; pelagic fish eggs.
Eastern Pacific Range: Northern limit=22; Southern limit=8; Western limit=-106; Eastern limit=-79; Latitudinal range=14; Longitudinal range=27.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore; Planktivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Reef associated (reef + edges-water column & soft bottom); Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only; Barnacles & worm tubes.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 4 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Mexican + Panamic provinces endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;
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Links to other sites |
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References |
- Allen , G.R. and Robertson, D.R., 1994., Fishes of the Tropical Eastern Pacific., Crawford House Press Pty Ltd:1-332.
- 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 II. Vertebrados - Parte 1., FAO2:647-1200.
- Ginsburg, I., 1942., Seven new American fishes., J. Wash. Acad.Sci., 32:364-370.
- Hastings, P.A., 2000., Biogeography of the Tropical Eastern Pacific: distribution and phylogeny of chaenopsid fishes., Zoological Journal of the Linnean Society, 128:319-335.
- 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.
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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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Updated: 2024-04-19 06:52:51 gmt
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