Schooling decisions in guppies ( Poecilia reticulata ) are based on familiarity rather than kin recognition by phenotype matching

Griffiths, Sian W. ORCID: https://orcid.org/0000-0001-6348-7352 and Magurran, Anne E. 1999. Schooling decisions in guppies ( Poecilia reticulata ) are based on familiarity rather than kin recognition by phenotype matching. Behavioral Ecology and Sociobiology 45 (6) , pp. 437-443. 10.1007/s002650050582

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Abstract

Evidence from a number of freshwater species indicates that fish prefer to school with familiar individuals. Do they also choose to associate with kin? Our experiment tested this idea using the Trinidadian guppy, Poecilia reticulata, a species whose reproductive biology favours the association of kin groups. Juveniles reared together were able to recognise one another on the basis of either visual or chemical cues, but showed no preference for schooling with unfamiliar kin. We therefore conclude that any naturally occurring kin groups in this species will occur as a result of familiarity rather than as a consequence of kin recognition based on phenotype matching.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Biosciences
Publisher:	Springer
ISSN:	0340-5443
Last Modified:	11 Dec 2025 12:15
URI:	https://orca.cardiff.ac.uk/id/eprint/183007

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