Uruguay river sprat (Ramnogaster melanostoma)

Scientific name: Ramnogaster melanostoma Eigenmann, 1907

Uruguay river sprat (Ramnogaster melanostoma)

The Uruguay river sprat (Ramnogaster melanostoma) is a freshwater fish of the family Clupeidae. Native range: South America, Uruguay and Argentina.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 15-16; Anal spines: 0; Anal soft rays: 12 - 23. Belly sharply keeled. No distinct silver stripe along the flank and the first (anterior) supra-maxilla minute or absent (cf. Platanichthys platana). Distinguished from very similar R. arcuata of coastal waters by having fewer dorsal and pectoral fin rays and fewer gill rakers total; from small Sardinella and Harengula by the evenly rounded hind margin of the gill opening.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ramnogaster melanostoma
Family
Clupeidae (Herrings, shads and sardines)
Order
Clupeiformes (Herrings)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
10.0
Environment
Freshwater; pelagic
Climate
Subtropical
Distribution
South America: Uruguay and Argentina.
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.

Last updated