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Shoaling behaviour of the two-spotted goby
2000 (Engelska)Ingår i: Journal of Fish Biology, ISSN 0022-1112, E-ISSN 1095-8649, Vol. 56, nr 6, s. 1477-1487Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Naturally formed shoals of adult Gobiusculus flavescens in a Swedish fjord ranged in size from a few individuals to several hundred fish and were sorted by body size. Shoal composition was highly dynamic and any particular group was unlikely to remain together for more than a few hours. Shoaling tendency of juveniles in laboratory experiments was high, and consistent preferences were demonstrated for numerically larger shoals. Large test fish preferred to associate with shoals composed of large, over shoals composed of small fish, whereas small test fish associated with both size classes equally. The ecological importance of shoaling in small shallow water fish is discussed, and possible mechanisms for the observed patterns are proposed. (C) 2000 The Fisheries Society of the British Isles.

Ort, förlag, år, upplaga, sidor
2000. Vol. 56, nr 6, s. 1477-1487
Nationell ämneskategori
Etologi Evolutionsbiologi Zoologi
Forskningsämne
Naturvetenskap, Akvatisk ekologi; Naturvetenskap, Evolutionsbiologi
Identifikatorer
URN: urn:nbn:se:lnu:diva-18761OAI: oai:DiVA.org:lnu-18761DiVA, id: diva2:527867
Tillgänglig från: 2012-05-22 Skapad: 2012-05-22 Senast uppdaterad: 2017-12-07Bibliografiskt granskad

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Svensson, P. Andreas

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Svensson, P. Andreas
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Journal of Fish Biology
EtologiEvolutionsbiologiZoologi

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