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J Comp Psychol. 2005 Feb;119(1):99-110.

Personality traits in dumpling squid (Euprymna tasmanica): context-specific traits and their correlation with biological characteristics.

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1
School of Aquaculture, University of Tasmania, Hobart, Tasmania 7001, Australia. david.sinn@utas.edu.au

Abstract

Personality traits are a major class of behavioral variation often observed within populations of animals. However, little is known of the integration between personality and an individual's underlying biology. To address this, the authors measured personality traits in squid (Euprymna tasmanica) in 2 contexts while also describing trait correlates with biological parameters. Four traits (shy avoidance- bold aggression, activity, bury persistence, and reactivity) were reliably measured; however, trait expression between contexts was not correlated and thus was context-specific. Trait variation was not a function of gender or of somatic or reproductive condition but was explained partially by a squid's sexual maturity and its size. Results are discussed in terms of the interplay between personality variation and resulting life history strategies in animals.

PMID:
15740434
DOI:
10.1037/0735-7036.119.1.99
[Indexed for MEDLINE]
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