Prince Regent gudgeon (Hypseleotris regalis)

Scientific name: Hypseleotris regalis Hoese & Allen, 1982

The Prince Regent gudgeon (Hypseleotris regalis) is a freshwater fish of the family Eleotridae. Native range: Oceania, known only from the upper Roe River and Youwangela Creek in the Prince Regent Reserve of northern Western Australia.

Biology

Inhabits clear, rocky pools with slow to moderate flow. Small groups are seen hovering in midwater or swimming slowly near rocky crevices or among vegetation or submerged branches. Females light colored, with truncate caudal fin and dorsal well separated. Males grow to bigger size, with rounded caudal fin, prolonged dorsal and anal rays and the first dorsal membrane almost touching the second dorsal.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Hypseleotris regalis
Family
Eleotridae (Sleepers)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
5.0
Environment
Freshwater; demersal; non-migratory
Climate
Tropical
Distribution
Oceania: known only from the upper Roe River and Youwangela Creek in the Prince Regent Reserve of northern Western Australia.
Conservation status (IUCN)
Lower Risk: near threatened (LR/nt)
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

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

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