Hingemouth (Phractolaemus ansorgii)

Scientific name: Phractolaemus ansorgii Boulenger, 1901

Hingemouth (Phractolaemus ansorgii)

The Hingemouth (Phractolaemus ansorgii) is a freshwater fish of the family Phractolaemidae. In the aquarium it needs water at 25–30°C (77–86°F). Native range: Africa, restricted distribution, from Niger Delta to Lake Nokou? and Congo River basin.

Hingemouth care at a glance

Temperature
25–30°C (77–86°F)

Biology

Dorsal spines: 0; Dorsal soft rays: 6; Anal spines: 0; Anal soft rays: 6. Bony head. Nasal openings: 1 tubules, 2 semi-circle behind tubules. Narrow gill opening. Dorsal and anal with 2 simple and 4 branched rays. Skeletal formula: 3.5/35-38/4.5:3.5:16 sexual dimorphism at 210 cm TL: males with 4 large tubercles around eye and spinules on caudal peduncle. Paired fins tinted with red.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Phractolaemus ansorgii
Family
Phractolaemidae (Hingemouths)
Order
Gonorynchiformes (Milkfish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
19.0
Environment
Freshwater;; pH range: 6.0 - 8.0; dH range: ? - 25 benthopelagic
Climate
Tropical
Distribution
Africa: restricted distribution, from Niger Delta to Lake Nokou? and Congo River basin.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless

Sources

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

Last updated