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Reproductive success and female preference in the amazonian cichlid angel fish, Pterophyllum scalare (Lichtenstein, 1823) Neotropical Ichthyology
Cacho,Maria do Socorro R. F.; Chellappa,Sathyabama; Yamamoto,Maria Emília.
The angel fish, Pterophyllum scalare is a cichlid native to the Amazon Basin of Brazil and is exported as an ornamental fish. In this study the importance of the experience and previous reproductive success of males in mate selection was investigated. In order to investigate reproductive experience, six pairs of males (experienced and inexperienced) and six females were used. Males were placed in an aquarium, where one female was released. Mate selection was verified by the time spent by a female near one of the males. To evaluate reproductive success, six pairs of males were tested, each pair consisting of a successful male and an unsuccessful one. Again, time spent with one of the males was considered as an indication of preference by the female. Each...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Reproductive behavior; Courtship; Mate selection.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252006000100009
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Comportamento reprodutivo do acará bandeira, Pterophyllum scalare Cuvier & Valenciennes (Osteichthyes, Cichlidae) Zoologia
Cacho,Maria do Socorro R.F; Yamamoto,Maria Emília; Chellappa,Sathyabama.
Acará bandeira, Pterophyllum scalare Cuvier & Valenciennes, 1831 is a Neotropical cichlid fish, which has not been studied under a scientific approach. The objective of this work was to identify and describe the reproductive behaviour involved in the various phases of its reproductive cycle, such as territorial disputes and its establishment, substrate selection for spawning, courtship and mating, selection of mate and parental care. Twenty males and ten females of the study species were observed in the laboratory, over a period of six consecutive months. Behaviour descriptions resulting from these observations were analysed and the results show that the reproductive males are very agressive in the initial phase of reproduction. Agressiveness is a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Osteichthyes; Cichlidae; Pterophyllum scalare.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000300006
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