Comparative Allometric Growth of the Mimetic Ephippid Reef Fishes Chaetodipterus faber and Platax orbicularis

Type Article
Date 2015-12
Language English
Author(s) Barros Breno1, 2, Sakai Yoichi2, Pereira Pedro H. C.3, Gasset EricORCID4, Buchet VincentORCID4, Maamaatuaiahutapu Moana5, Ready Jonathan S.6, Oliveira Yrlan1, Giarrizzo Tommaso6, Vallinoto Marcelo1, 7
Affiliation(s) 1 : Fed Univ Para, Inst Estudos Costeiros, Lab Evolucao, BR-68600000 Braganca, Para, Brazil.
2 : Hiroshima Univ, Lab Aquat Resources, Grad Sch Biosphere Sci, Higashihiroshima 7390046, Japan.
3 : James Cook Univ, Sch Marine & Trop Biol, Townsville, Qld 4811, Australia.
4 : IFREMER, Ctr Oceanol Pacific, Unite Ressources Marines Polynesie Francaise, Taravao 98719, Fr Polynesia.
5 : Direct Ressources Maritimes & Minieres, Papeete, Fr Polynesia.
6 : Fed Univ Para, Lab Biol Pesqueira Manejo Recursos Aquat, BR-66040170 Belem, Para, Brazil.
7 : Univ Porto, CIBIO InBIO, Ctr Invest Biodiversidade & Recursos Genet, P-4485661 Vairao, Portugal.
Source Plos One (1932-6203) (Public Library Science), 2015-12 , Vol. 10 , N. 12 , P. -
DOI 10.1371/journal.pone.0143838
WOS© Times Cited 5
Abstract Mimesis is a relatively widespread phenomenon among reef fish, but the ontogenetic processes relevant for mimetic associations in fish are still poorly understood. In the present study, the allometric growth of two allopatric leaf-mimetic species of ephippid fishes, Chaetodipterus faber from the Atlantic and Platax orbicularis from the Indo-Pacific, was analyzed using ten morphological variables. The development of fins was considered owing to the importance of these structures for mimetic behaviors during early life stages. Despite the anatomical and behavioral similarities in both juvenile and adult stages, C. faber and P. orbicularis showed distinct patterns of growth. The overall shape of C. faber transforms from a rounded-shape in mimetic juveniles to a lengthened profile in adults, while in P. orbicularis, juveniles present an oblong profile including dorsal and anal fins, with relative fin size diminishing while the overall profile grows rounder in adults. Although the two species are closely-related, the present results suggest that growth patterns in C. faber and P. orbicularis are different, and are probably independent events in ephippids that have resulted from similar selective processes.
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Barros Breno, Sakai Yoichi, Pereira Pedro H. C., Gasset Eric, Buchet Vincent, Maamaatuaiahutapu Moana, Ready Jonathan S., Oliveira Yrlan, Giarrizzo Tommaso, Vallinoto Marcelo (2015). Comparative Allometric Growth of the Mimetic Ephippid Reef Fishes Chaetodipterus faber and Platax orbicularis. Plos One, 10(12), -. Publisher's official version : , Open Access version :