contact us

22 Victoria Road
Derry~Londonderry
Northern Ireland
BT47 2AB

Tel: +44 (0) 28 7134 2100
Email: general@loughs-agency.org

Dundalk Street,
Carlingford,
Co Louth,
Rep. of Ireland

Tel: +353 (0) 42 938 3888
Email: carlingford@loughs-agency.org

what are you searching for?

Three Spined Stickleback

Gasterosteus aculeatus aculeatus
close up of a small Three Spined Stickleback
stickleback-1024
Three Spined Stickleback – Gasterosteus aculeatus aculeatus

Anadromous in nature meaning that they can migrate from freshwater to feed in the sea however they may complete their lifecycle in freshwater.

Conservation Status

Listed as Lower Risk, least concern on the IUCN Red List.

Description

Anadromous in nature meaning that they can migrate from freshwater to feed in the sea however they may complete their lifecycle in freshwater.

Life Cycle

Occurs in fresh waters, estuaries and coastal seas. In the sea confined to coastal waters. Inhabits shallow vegetated areas, usually over mud or sand. Forms schools. Feeds on worms, crustaceans, larvae and adult aquatic insects, drowned aerial insects, and small fishes; has also been reported to feed on their own fry and eggs. Eggs are found in nests constructed from plant material. Maximum length in freshwater is 8 cm while in saltwater is 11 cm

Distribution

International

Circumpolar in Arctic and temperate regions, extending south to the Black Sea, southern Italy, Iberian Peninsula, North Africa, parts of Eastern Asia north of Japan, parts of northern North America and Greenland.

Foyle and Carlingford Areas

Common throughout the Foyle and Carlingford areas