Longnose stonebasher (Gnathonemus longibarbis)

Scientific name: Gnathonemus longibarbis Hilgendorf, 1888

Longnose stonebasher (Gnathonemus longibarbis)

The Longnose stonebasher (Gnathonemus longibarbis) is a freshwater fish of the family Mormyridae. Native range: Africa, Lake Victoria, Lake Tanganyika, Victoria Nile (Zambeze?).

Biology

Occurs in shallow inshore waters over both sandy and rocky bottoms, appearing seasonally over muddy bottoms adjacent to extensive papyrus swamps. Also found in deep water, near rocky islands. Feeds on large libellulid nymphs and other large prey. Oviparous. Migrates up the river to spawn.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Gnathonemus longibarbis
Family
Mormyridae (Elephantfishes)
Order
Osteoglossiformes (Bony tongues)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
36.0
Depth range
27–45 m (89–148 ft)
Environment
Freshwater; demersal; potamodromous; depth range 27 - 45 m
Climate
Tropical
Distribution
Africa: Lake Victoria, Lake Tanganyika, Victoria Nile (Zambeze?).
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 502)

Sources

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

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