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- FishBase
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Overview |
Main identification features
- 3 dark spots after eye - small, 3rd greater than 1st
- 1st dorsal fin dark oblique bar
- head without white spots
- pectoral: free rays - 1 branch
Dorsal rays VI + I, 9-10; anal rays I, 8-9; pectoral rays 20-22, the uppermost 6 rays forming free filaments (ie. not connected with adjoining rays by a membrane) 1st to 4th branch only once, tail with 23-32 rays; midlateral scales 33-36; predorsal scales not reaching eyes; sometimes a small patch of scales on upper corner of operculum; pelvic disc more or less rounded, its front membrane with angular edges.
Overall grey brown with light streak on each scale; faint dark bars and blotches evident on side; head without pale spots; 1st dorsal fin with an oblique dark bar at front; 3 dark blotches behind eye small, 2nd is smallest and 3rd is largest; juveniles are much lighter with well defined blackish bars and blotches and a dark-spotted caudal fin.
Size: grows to at about 15 cm.
Inhabits brackish water in tide pools and rocky shores of bays and in creeks and estuaries.
Depth: 0-2 m.
Guatemala to northern 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: 2 m.
Depth Range Min: 0 m.
Diet: mobile benthic gastropods/bivalves; mobile benthic worms; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=14; Southern limit=-13; Western limit=-90; Eastern limit=-76; Latitudinal range=27; Longitudinal range=14.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Mangrove; Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 15 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine.
Water Column Position: Bottom; Bottom only;
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Links to other sites |
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References |
- Birdsong , R. S. , Murdy , E. O. and Pezold, F. L., 1988., A study of the vertebral column and median fin osteology in gobioid fishes with comments on gobioid relationships., Bull. Mar. Sci., 42:174-214.
- Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
- 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., 1947., American species and subspecies of Bathygobius, with a demonstration of a suggested modified system of nomenclature., J. Wash. Acad.Sci., 37(1):275-284.
- 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.
- Miller , P. J. and Stefanni, S., 2001., The eastern Pacific species of Bathygobius (Perciformes: Gobiidae)., Revista de Biologia Tropical, 49(Supplement 1):141-156.
- Rubio, E.A., 1986., Notas sobre la ictiofauna de la Isla de Gorgona, Colombia., Boletin Ecotropica. Univ. Bog. Jorge Tadeo Lozano, 13:86-112.
- Rubio, E.A., 1988., Estudio taxonomico de la ictiofauna acompañante del camaron en areas costeras del Pacifico de Colombia., Memorias del VI Seminario Nacional de las Ciencias del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :169-183.
- Sauvage, M.H.E., 1880., Description des Gobioïdes nouveaux ou peu connus de la collection du Muséum d'histoire naturelle., Bulletin de la Societe Philomathique de Paris., 4:40-58.
- Vega, A.J., Villareal, N., 2003., Peces asociados a arrecifes y manglares en el Parque Nacional Coiba., Tecnociencia, 5:65-76.
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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: 2024-06-04 06:29:50 gmt
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