Dormitator maculatus (Bloch, 1792)

Fat sleeper

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Eleotridae \| Eleotrinae
Synonyms	Sciaena maculata, Dormitator lineatus, Dormitator macrophthalmus, ... more
Common names	Pacific sleeper, Dormeur, Dormilón manchado, ... more

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Image of Dormitator maculatus (Fat sleeper)

Picture by Laparé, R.

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Robins, C.R. and G.C. Ray. 1986. (Ref. 7251)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 70.0 cm TL male/unsexed; (Ref. 26340); common length : 14.5 cm TL male/unsexed; (Ref. 12193)

Environment

Demersal; amphidromous (Ref. 51243); freshwater; brackish; marine

Climate / Range

Tropical; 25°C - 35°C (Ref. 35237); 37°N - 5°S

North to South America: along the Atlantic slope from North Carolina (USA) to southeastern Brazil.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 1 - 7; Dorsal soft rays (total): 9 - 15; Anal spines: 0 - 1; Anal soft rays: 9 - 10. A short stubby fish with a conspicuously flat head (Ref. 26938).

Inhabits marshes, muddy ponds and channels with a salinity range of 0 to 21 ppt. Mostly found in fresh water but also in brackish mangrove areas. Ascends upstream but remains in the lower reaches. Sexually mature after one year. Gonads develop during the dry season. Average size at maturity is 5.1 cm for males, 4.5 cm for females. Omnivorous, feeds mainly on plants, sediments and invertebrates. Changes its coloration during reproduction, carrying out a complex nuptial parade. Adults guard the nest. Egg is 0.3 mm, incubation time is 11 to 16 hours at 27°C (Ref. 35237).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High vulnerability (57 of 100)	Not marketed/unknown

Entered by Froese, Rainer

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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