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Setting up your tank

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250L community aquarium

Dusky sleeper (Eleotris fusca) fish species and information / pictures of Dusky sleeper - Eleotris fusca

Dusky sleeper (Eleotris fusca) fish species information

Scientific Name
Eleotris fusca

Common Name
Dusky sleeper

Biology
Dorsal spines (total): 7; Dorsal soft rays (total): 7-9; Anal spines: 1; Anal soft rays: 8. Diagnosis: (57)59-68 longitudinal line scales; preopercular spine present; (8)9-10 gillrakers on lower part of first branchial arch (Ref. 79840). Dark brown to black in color; horizontal lines on body; young with spotted fins (Ref. 5493).

Classification

Classified By

Forster, 1801

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Sleepers (Eleotridae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: East Africa to French Polynesia.

Range

45°N - 27°S

Environment

Climate

Tropical

Water Temperature From

25 °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; freshwater; brackish; demersal; amphidromous (Ref. 51243)

Trophic Level

3.74 s.e. 0.64 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

26.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquarium: commercial

Vulnerability

Low to moderate vulnerability (31 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)