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The effects of the social environment during development on life-history decisions and adult behaviour were assessed using male guppies Poecilia reticulata. Males raised with adults developed secondary sexual characteristics later than males raised either singly or with four of their siblings...

Magellan, K.; Magurran, A. E.
Blackwell Publishing, Oxford, UK
Journal of Fish Biology, 2009, 74, 10, pp 2329-2337

10 schools of 21-54 guppies (Poecilia reticulata) (n = 40 males and 40 females) were captured from the Tacarigua River, Trinidad, during December 1996. Each school was composed of males, females and juveniles. Test fish were placed in tanks with visual and olfactory access to 4 same-sex fish from...

Griffiths, S. W.; Magurran, A. E.
Animal Behaviour, 1998, 56, 3, pp 689-693