The pharyngeal jaw apparatus of the Cichlidae and Pomacentridae: function in feeding and sound production

The pharyngeal jaw apparatus of the Cichlidae and Pomacentridae: function in feeding and sound... Labroid fishes (PerciformesLabroidei) possess a highly developed pharyngeal jaw apparatus (PJA). A tremendous body of literature describes the anatomy and function in feeding in these fishes. For fishes of the families Pomacentridae and Cichlidae (damselfishes and cichlids), there are also numerous descriptions of the sounds these male fishes produce in reproductive or agonistic behavioral contexts. A growing amount of acoustic, behavioral, and physiological circumstantial evidence draws support for the PJA also being the sound producing mechanism. The present review discusses the evolutionary and ecological aspects of the PJA, the anatomy and function, as well as the acoustical biology of pomacentrids and cichlids. Using existing evidence, we propose and examine the possibility that the PJA (either muscles and/or bone) is used in this behavior. Should the PJA be involved in sound production, the duality in function for both feeding and sound production creates an interrelationship between trophic biology and sexual selection. Thus, particularly in cichlids, the expansion into available trophic niches, mediated by the food processing ability of the versatile PJA may influence female mate choices and serve as a substrate for sympatric speciation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reviews in Fish Biology and Fisheries Springer Journals

The pharyngeal jaw apparatus of the Cichlidae and Pomacentridae: function in feeding and sound production

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Publisher
Springer Journals
Copyright
Copyright © 2003 by Kluwer Academic Publishers
Subject
Life Sciences; Freshwater & Marine Ecology; Zoology
ISSN
0960-3166
eISSN
1573-5184
D.O.I.
10.1007/s11160-004-8794-0
Publisher site
See Article on Publisher Site

Abstract

Labroid fishes (PerciformesLabroidei) possess a highly developed pharyngeal jaw apparatus (PJA). A tremendous body of literature describes the anatomy and function in feeding in these fishes. For fishes of the families Pomacentridae and Cichlidae (damselfishes and cichlids), there are also numerous descriptions of the sounds these male fishes produce in reproductive or agonistic behavioral contexts. A growing amount of acoustic, behavioral, and physiological circumstantial evidence draws support for the PJA also being the sound producing mechanism. The present review discusses the evolutionary and ecological aspects of the PJA, the anatomy and function, as well as the acoustical biology of pomacentrids and cichlids. Using existing evidence, we propose and examine the possibility that the PJA (either muscles and/or bone) is used in this behavior. Should the PJA be involved in sound production, the duality in function for both feeding and sound production creates an interrelationship between trophic biology and sexual selection. Thus, particularly in cichlids, the expansion into available trophic niches, mediated by the food processing ability of the versatile PJA may influence female mate choices and serve as a substrate for sympatric speciation.

Journal

Reviews in Fish Biology and FisheriesSpringer Journals

Published: Dec 30, 2004

References

  • Physical aspects of swimbladder function
    Alexander, R.M.
  • Sound production during courtship and spawning of Oreochromis mossambicus: male–female and male–male interactions
    Amorim, M.C.P.; Fonseca, P.J.; Almada, V.C.
  • The morphology of the head-muscles of a generalized Haplochromis species: H. elegans Trewavas 1933 (Pisces, Cichlidae)
    Anker, G.C.
  • Note on the compound lower pharyngeal jaw operators in Astatotilapia elegans (Trewavas), 1933(Teleostei: Cichlidae)
    Claes, H.; Aerts, P.

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