Feeding specialization in Herichthys minckleyi: a trophically polymorphic fish
نویسندگان
چکیده
*School of Biology, Georgia Institute of Technology, Atlanta, Georgia 30332, U.S.A., ‡Department of Biological Sciences and Merriam Powell Center for Environmental Research, Northern Arizona University, Flagstaff, Arizona 86011, U.S.A., §Section of Integrative Biology and Texas Memorial Museum, University of Texas, Texas Natural History Collections, Austin, Texas, 78758, U.S.A., {University of Alberta, Biological Sciences Centre, CW 405, Edmonton, Alberta T6G 2E9, Canada, **Texas Commission on Environmental Quality, MC-160, Austin, Texas 78711, U.S.A. and ††Texas State University, San Marcos, Texas 78666, U.S.A.
منابع مشابه
Trophic morphology, feeding performance and prey use in the polymorphic fish Herichthys minckleyi
Question: How does pharyngeal jaw morphology influence feeding performance and prey use in the trophically polymorphic cichlid fish Herichthys minckleyi ? Organism: Herichthys minckleyi exhibits two discrete pharyngeal jaw morphologies. Molariforms possess flattened teeth and enlarged pharyngeal muscles, whereas papilliforms exhibit more gracile jaws, pointed teeth and smaller muscles. Data: We...
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Herichthys minckleyi is an endangered, trophically polymorphic cichlid endemic to the Cuatro Ciénegas basin of Coahuila, Mexico. A molariform morph has stout pharyngeal teeth whereas a papilliform morph has numerous fine pharyngeal teeth. Individuals with intermediate pharyngeal dentition also exist, as does yet another morph, called piscivore. Previous studies indicated that morphs utilize dif...
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