Fin's Fish Guide
The Tropical longfin herring (Neoopisthopterus tropicus) is a brackish-water fish of the family Pristigasteridae that grows up to 12 cm.
Description
The tropical longfin herring is a small herring relative from the eastern Pacific, ranging from the Gulf of California to northern Peru. The species grows to about 12 cm and has a strongly laterally compressed, silvery body with a shining lateral stripe and a notably long anal fin; a row of sharp scutes runs along the belly. It lives in coastal water and tolerates brackish water near river mouths, where it feeds on zooplankton. The fish is of local fisheries value and harmless to humans. The IUCN assesses the species as Least Concern (LC).
Frequently asked questions
How do you recognise the Tropical longfin herring?
The Tropical longfin herring has a torpedo-shaped body, is mainly silver-grey and shows a horizontal stripes pattern. Strongly compressed body with a long anal fin and ventral scutes
Where does the Tropical longfin herring live?
The Tropical longfin herring lives in brackish water and is mostly found around open water. Eastern Pacific
How big does the Tropical longfin herring get?
The Tropical longfin herring grows to a maximum of about 12 cm. On average the species is around 6 cm.
Is the Tropical longfin herring dangerous to humans?
No, the Tropical longfin herring is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Tropical longfin herring edible?
The Tropical longfin herring is rarely eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Pristigasteridae
Want the complete picture on the Tropical longfin herring?
Point your camera at the fish and Fin names the species in seconds. Free, and the Tropical longfin herring is one of 12,519 species in the app.