Atlantic herring

The Atlantic herring (Clupea harengus) is a kind of herring, a fish. It can be found on both sides of the Atlantic. It can grow up to 45cm in length, weighing more than half a kilogram. It is a swarm fish, meaning many fish come together and form a school (or swarm) of fish. Swarms of up to 4 cubic kilometers in size have been measured of atlantic herring, with an eastimated 4 billion individual fish. Like with so many other fishes though, commercial overfishing is posing a problem. Stocks of herring have been collapsing.

Atlantic herring
Clupea harengus.png
Conservation status
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Clupeiformes
Family: Clupeidae
Genus: Clupea
Species:
C. harengus
Binomial name
Clupea harengus
Clupeaharengusdistkils.jpg
Distribution on a NASA SeaWIFS image

Their natural predators are seals, cod, other large fish as well as some kinds of whales. The current reason for the overfishing is the need of the Omega Fatty Acid, which helps increase memory, and brain functions.

Clupea harengus

Baltic herring

The herrings that occurs in the Baltic Sea is much smaller. Some people consider it a distinct subspecies. They call it Baltic herring, C. harengus membras.

Atlantic Herring Media