Fat sleeper (Dormitator maculatus)

Scientific name: Dormitator maculatus Bloch, 1792

The Fat sleeper (Dormitator maculatus) is a freshwater fish of the family Eleotridae. In the aquarium it needs water at 25–35°C (77–95°F). Native range: North to South America, along the Atlantic slope from North Carolina (USA) to southeastern Brazil.

Fat sleeper care at a glance

Temperature: 25–35°C (77–95°F)

Biology

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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Dormitator maculatus
Family: Eleotridae (Sleepers)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 70.0
Common length: 14.5
Environment: Marine; freshwater; brackish; demersal; amphidromous
Climate: Tropical
Distribution: North to South America: along the Atlantic slope from North Carolina (USA) to southeastern Brazil.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)