Three-spined stickleback
| Gasterosteus aculeatus Linnaeus, 1758 | ||||
| Family: | Gasterosteidae (Sticklebacks and tubesnouts) |
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| Order: | Perciformes/Gasterosteoidei | |||
| Class: | Teleostei | |||
| English name: | Three-spined stickleback | |||
| Distribution: | Circumarctic and temperate regions: Extending south to the Black Sea, southern Italy, Iberian Peninsula, North Africa; in Eastern Asia north of Japan (35°N), in North America north of 30-32°N; Greenland. | |||
| Adult biology: | Adults occur in fresh waters, estuaries and coastal seas (Ref. 4119). Anadromous, with numerous non-anadromous populations in brackish or pure freshwater, rarely in marine waters. In the sea, confined to coastal waters. In freshwater, adults prefer to live in small stream but may occur in a variety of habitats including lakes and large rivers (Ref. 59043). Inhabit shallow vegetated areas, usually over mud or sand (Ref. 5723). Form schools. Young associated with drifting seaweed (Ref. 12114, 12115). Juveniles move to the sea (anadromous populations) or to deeper, larger water bodies (freshwater populations) in July-August, forming large feeding schools (Ref. 59043). Feed 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 (Ref. 1998). Eggs are found in nests constructed from plant material (Ref. 41678). Males build, guard and aerate the nest where the eggs are deposited (Ref. 205). Maximum length in freshwater is 8 cm while in saltwater is 11 cm (Ref. 35388). Occasionally taken commercially in Scandinavia and processed into fishmeal and oil (Ref. 28219, 28964). Commonly used as a laboratory animal (Ref. 1998). A large bibliography is available at www.geocities.com/CapeCanaveral/Hall/1345/stickbibl.html. | |||
| Diagnosis: | See also LARVAE table. | |||
| Climate Zone: | subtropical; 4 - 20°C; 72°N - 25°N | |||
| Main Ref: | Morrow, J.E.. 1980. (Ref. 27547) | |||
| More information: | Allele frequencies | Collaborators | Common names | Countries | Diet composition larvae | Egg dev. | Eggs | FAO areas | Food consumption larvae | Genetics | Introductions | Larvae | Maturity | Pictures | References | Reproduction | Spawning | Fecundity | Synonyms | | |||
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| Modified by: Luna, Susan M. |
Entered by: Garilao, Cristina V. |
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