Body shape variation and colour change during growth in a protogynous fish

Fruciano, Carmelo, Tigano, Concetta, & Ferrito, Venera (2011) Body shape variation and colour change during growth in a protogynous fish. Environmental Biology of Fishes, 94(4), pp. 615-622.

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Abstract

Protogynous sequential hermaphroditism is very common in marine fish. Despite a large number of studies on various aspects of sequential hermaphroditism in fish, the relationship between body shape and colour during growth in dichromatic species has not been assessed. Using geometric morphometrics, the present study explores the relationship between growth, body shape and colouration in Coris julis (L. 1758), a small protogynous labrid species with distinct colour phases. Results show that body shape change during growth is independent of change in colour phase, a result which can be explained by the biology of the species and by the social control of sex change. Also, during growth the body grows deeper and the head has a steeper profile. It is hypothesized that a deeper body and a steeper profile might have a function in agonistic interactions between terminal phase males and that the marked chromatic difference between colour phases allows the lack of strict interdependence of body shape and colour during growth.

Impact and interest:

7 citations in Scopus
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6 citations in Web of Science®

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ID Code: 87586
Item Type: Journal Article
Refereed: Yes
Keywords: geometric morphometrics, allometry, sequential hermaphroditism, fish biology, labrids
DOI: 10.1007/s10641-011-9968-y
ISSN: 1573-5133
Subjects: Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > EVOLUTIONARY BIOLOGY (060300)
Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > EVOLUTIONARY BIOLOGY (060300) > Life Histories (060308)
Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > EVOLUTIONARY BIOLOGY (060300) > Evolutionary Biology not elsewhere classified (060399)
Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > ZOOLOGY (060800) > Vertebrate Biology (060809)
Divisions: Current > Schools > School of Earth, Environmental & Biological Sciences
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright Springer Science+Business Media B.V. 2011
Deposited On: 21 Sep 2015 23:11
Last Modified: 23 Sep 2015 03:06

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