Lake Tumba dwarf sprat (Nannothrissa parva)

Scientific name: Nannothrissa parva Regan, 1917

Lake Tumba dwarf sprat (Nannothrissa parva)

The Lake Tumba dwarf sprat (Nannothrissa parva) is a freshwater fish of the family Clupeidae. Native range: Africa, Congo River basin (region of Lake Tumba; Ruki and Oubangui rivers and the Tshuapa River at Ikela).

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 12-18; Anal spines: 0; Anal soft rays: 20 - 22. Body slender. Scutes (19 to 23) beginning at isthmus (or just behind), very strongly keeled (even at only 1.7 cm standard length). Lower jaw projecting, toothless; no teeth on pre-maxillae or maxillae; second supra-maxilla as deep as maxilla blade and with long slender anterior shaft. Pelvic fin insertion about half eye diameter.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Nannothrissa parva
Family
Clupeidae (Herrings, shads and sardines)
Order
Clupeiformes (Herrings)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
4.2
Environment
Freshwater; pelagic
Climate
Tropical
Distribution
Africa: Congo River basin (region of Lake Tumba; Ruki and Oubangui rivers and the Tshuapa River at Ikela).
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Uses
Fisheries: subsistence fisheries
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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