Teleostei (teleosts) >
Gobiiformes (Gobies) >
Eleotridae (Bully sleepers)
Etymology: Eleotris: The name of a Nile fish, eleotris (Ref. 45335).
Eponymy: Willem Piso (1611–1678) was a Dutch physician and naturalist who practiced medicine in Amsterdam. [...] (Ref. 128868), visit book page.
More on author: Gmelin.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; freshwater; brackish; demersal; amphidromous (Ref. 46888). Tropical; 25°C - 30°C (Ref. 97140); 32°N -
Northwest to western Central Atlantic: Bermuda, Bahamas, South Carolina and northern Gulf of Mexico in USA to southeastern Brazil.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm TL male/unsexed; (Ref. 7251); common length : 12.5 cm TL male/unsexed; (Ref. 12193)
Adults are found on shallow, muddy or sandy bottoms (Ref. 13628). They appear to prefer estuarine freshwater tributaries, occurring in waters with a salinity range of 0 to 19 ppt (Ref. 7251), or up to 36.6 in some cases (Ref. 97140). Feed on dipteran larvae and pupae (especially the juveniles); crustaceans like crabs and shrimps; and small fishes. The diet changes with sexual maturity and season. Gonadal development takes place during the dry season. Average size at maturity is 5.7 mm for males and 4.3 mm for females (Ref. 35237).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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