Pacific fat sleeper (Dormitator latifrons)

Scientific name: Dormitator latifrons Richardson, 1844

Pacific fat sleeper (Dormitator latifrons)

The Pacific fat sleeper (Dormitator latifrons) is a freshwater fish of the family Eleotridae. In the aquarium it needs water at 25–33°C (77–91°F). Native range: Eastern Pacific, Palos Verdes in southern California, USA to Peru.

Pacific fat sleeper care at a glance

Temperature
25–33°C (77–91°F)

Biology

Inhabit estuaries, stagnant ditches or creeks of low current velocity between the sea and an elevation of 30 m. Benthic and most abundant on sandy and muddy bottoms. Ingests much mud and detritus, although also filter plankton. Found in shallow inshore areas; typically in freshwater but moves freely into the sea.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Dormitator latifrons
Family
Eleotridae (Sleepers)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
41.0
Common length
25.0
Depth range
1 m (3 ft)
Environment
Marine; freshwater; brackish;; pH range: 7.5 - 9.5 demersal; amphidromous; depth range 1 - ? m
Climate
Subtropical
Distribution
Eastern Pacific: Palos Verdes in southern California, USA to Peru.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Uses
Fisheries: commercial; aquaculture: commercial
Resilience
High, minimum population doubling time less than 15 months (K=0.57)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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