Jenyns's sprat (Ramnogaster arcuata)

Scientific name: Ramnogaster arcuata Jenyns, 1842

Jenyns's sprat (Ramnogaster arcuata)

The Jenyns's sprat (Ramnogaster arcuata) is a marine fish of the family Clupeidae.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 18-19; Anal spines: 0; Anal soft rays: 12 - 23. Belly sharply keeled. Flanks silvery without a distinct silver stripe (cf. Platanichthys). Distinguished from R. melanostoma of freshwaters by having more dorsal and pectoral fin rays and total gill rakers; from small Sardinella and Harengula by the evenly rounded hind margin of the gill opening; and from Sprattus fuegensis by having i 6 pelvic fin rays.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ramnogaster arcuata
Family
Clupeidae (Herrings, shads and sardines)
Order
Clupeiformes (Herrings)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.0
Common length
7.5
Depth range
0–50 m (0–164 ft)
Environment
Marine; pelagic-neritic; depth range 0 - 50 m
Climate
Subtropical
Distribution
Southwest Atlantic: southern Brazil (estuary of the Lagoa dos Patos) and Uruguay to at least Bah?a Blanca, Argentina; some of the more southerly records (even to the Beagle Channel) must refer to Sprattus fuegensis.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: minor commercial
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