Guavina guavina
Guavina
Collection Details
Specimens
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Perciformes (Perciformes, Also Called the Acanthopteri)
Eleotridae (Sleepers)
Guavina
Guavina guavina (Guavina)
Description
This species account was compiled from
Composite (multiple sources) (McEachran, J.D. and J.D. Fechhelm. Fishes of the Gulf of Mexico. University of Texas Press, Austin.)
and processed using AI-assisted text extraction.
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Characters
Mouth superior; caudal fin robust; scales small; head depressed and slightly elevated; lips slightly fleshy; upper lip continuous across symphysis; mouth moderately oblique; upper jaw extends to pupil of eye; jaw teeth moderately small, in broad bands, outer teeth in lower jaw slightly enlarged; tongue with rounded margin; preoperculum lacks spine; gill opening restricted dorsally, extends ventrally to below preoperculum; head length 29%–30% SL, snout length 7%–8% SL, eye diameter about 4% SL, interorbital width 9%–10% SL, upper jaw length 12%–13% SL, pectoral fin length 18%–19% SL, caudal fin length 21%–22% SL, body depth 20%–21% SL; pectoral fin broad and fanlike with 16 rays; first dorsal fin with 7 (rarely 6) spines, second dorsal fin with 1 spine and 9 rays; pelvic fins close-set, each with 1 spine and 5 rays; anal fin similar in shape and size to second dorsal fin, with 1 spine and 8 or 9 rays; caudal fin broadly rounded; body and most of head covered with scales; head and upper and lower surfaces of body with cycloid scales, remainder ctenoid; head scales embedded; 100 to 110 scales in horizontal series; vertebrae 27 (11 precaudal, 16 caudal)
Dark brown to grayish brown, slightly lighter ventrally than dorsally
Distribution
Western Atlantic from southern Gulf of Mexico and Antilles to Brazil
Recorded from Veracruz at Lago de Sontecomapan in the Gulf of Mexico
Habitat Associations
Freshwater with access to the sea, brackish to hypersaline water
Biology
Maximum known size about 300 mm SL
Found over muddy bottoms, generally in brackish waters of estuaries but also occurs in fresh water and hyper-saline environments.
IUCN Red List Status: Least Concern (LC), assessed 2019-03-03. Resilience: Medium (Preliminary K or Fecundity.).
References
Jordan and Evermann 1898
Meek and Hildebrand 1923–1928
Taylor 1996
Schaldach et al. 1997
Smith 1997
Castro-Aguirre et al. 1999
Murdy and Hoese 2002a
Cervigón, F. (1994) Los peces marinos de Venezuela. Volume 3. Fundación Científica Los Roques, Caracas,Venezuela. 295 p.
Winemiller, K.O. and B.J. Ponwith (1998) Comparative ecology of eleotrid fishes in Central American coastal streams. Environ. Biol. Fishes 53(4):373-384.
Lim, P., F.J. Meunier, P. Keith and P.Y. Noël (2002) Atlas des poissons et des crustacés d'eau douce de la Martinique. Muséum national d’Histoire naturelle, Paris. Patrimoines Naturels, 51:120p.
Murdy, E.O. and D.F. Hoese (2003) Eleotridae. Sleepers. p. 1778-1780. In K.E. Carpenter (ed.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Atlantic. Vol. 3: Bony fishes part 2 (Opistognathidae to Molidae), sea turtles and marine mammals.
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