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- FishBase
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Overview |
Main identification features
- head: central groove - snout to behind eye
- snout: long, pointed;mouth: small, lips: thick and fleshy
- sides of roof of mouth - molar teeth
- gill opening at side
Dorsal rays I,7; anal rays 20; pectoral rays I,10-11; gill rakers on first arch 7 + 13-15; rakers on posterior surface of all arches; body moderately elongate; central groove in top of head from snout to behind eye; snout long, pointed; mouth small; lips fleshy, often thick; gill opening restricted, gill membranes barely forming low fold across mid-throat; jaw bones very wide, with large molar teeth; teeth at front of top jaw in broad band; palate teeth molariform and large, in a pair of well-separated, elongate oval patches.
Grey on back and sides, white below; fins dusky bluish grey.
Maximum size to 30 cm.
Inhabits brackish and fresh water.
Depth: 0-20 m.
Costa Rica to Peru.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 20 m.
Depth Range Min: 0 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves; mobile benthic worms.
Eastern Pacific Range: Northern limit=11; Southern limit=-9; Western limit=-86; Eastern limit=-78; Latitudinal range=20; Longitudinal range=8.
Egg Type: Brooded; No pelagic larva; No pelagic phase.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; Sand & gravel; Soft bottom only; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Freshwater.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 30 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Brackish; Freshwater; Non Marine.
Water Column Position: Bottom; Bottom only;
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Links to other sites |
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References |
- 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.
- 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.
- Meek , S.E. and Hildebrand, S.F., 1923., The marine fishes of Panama. Part I., Field Mus. Nat. Hist., Zool. Ser. Publ., XV:1-330.
- Rojas , J. R. , Castro , M. and Pizarro, J. F., 1994., Epoca de desove, fecundidad y morfología en cinco especies ícticas (Pisces: Ariidae) e manglar en Costa Rica., Revista de Biologia Tropical, 42:751-754.
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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 FishBase
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Updated: 2024-04-26 16:33:32 gmt
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