Ward's sleeper (Valenciennea wardii)

Scientific name: Valenciennea wardii Playfair, 1867

The Ward's sleeper (Valenciennea wardii) is a marine fish of the family Gobiidae. In the aquarium it needs water at 22–27°C (72–81°F). Native range: Indo-Pacific, extremely rare, known from widely scattered localities in the Indian Ocean and western tropical Pacific.

Ward's sleeper care at a glance

Temperature: 22–27°C (72–81°F)

Biology

Found in sandy areas of shallow lagoon reefs. Inhabits coastal bays and inner reefs, usually on deep silty slopes from about 15 meters down.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Valenciennea wardii
Family: Gobiidae (Gobies)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 15.0
Depth range: 5–20 m (16–66 ft)
Environment: Marine; reef-associated; depth range 5 - 20 m, usually 5 - 20 m
Climate: Tropical
Distribution: Indo-Pacific: extremely rare, known from widely scattered localities in the Indian Ocean and western tropical Pacific.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)