Blueback herring

Blueback Herring (Alosa aestivalis) is a species of herring found in the North Atlantic Ocean. It is a migratory fish, known for its distinctive blue back and silver sides. The Blueback Herring is an important part of the marine ecosystem, serving as a food source for a variety of predators.

Description

The Blueback Herring is a medium-sized fish, typically measuring between 10 and 15 inches in length. It is named for its distinctive blue back, which contrasts sharply with its silver sides and belly. The fish has a forked tail and a single dorsal fin.

Distribution and Habitat

The Blueback Herring is found in the North Atlantic Ocean, from Nova Scotia in Canada to Florida in the United States. It is a migratory species, spending most of its life at sea but returning to freshwater rivers and streams to spawn.

Life Cycle

Blueback Herring spawn in freshwater rivers and streams in the spring. After spawning, the adults return to the sea, while the young remain in freshwater until they are mature enough to migrate. The lifespan of a Blueback Herring is typically 5 to 7 years.

Diet

Blueback Herring feed on a variety of small organisms, including plankton, small fish, and invertebrates. They are an important food source for a variety of predators, including larger fish, birds, and marine mammals.

Conservation Status

The Blueback Herring is currently listed as a species of concern by the National Marine Fisheries Service. Overfishing and habitat loss have led to a decline in its population.

See Also

• Herring
• Atlantic Herring
• Alewife