Open-access <span name="style_bold">Cambios alimenticios en tres especies de </span><span name="style_italic">Sphoeroides </span><span name="style_bold">(Tetraodontiformes: Tetraodontidae) posterior al huracán Isidoro en Bocana de la Carbonera, Sureste del Golfo de México</span>

<span name="style_bold">Feeding changes for three </span><span name="style_italic">Sphoeroides </span><span name="style_bold">species (Tetraodontiformes: Tetraodontidae) after Isidore hurricane impact in Carbonera Inlet, Southeastern Gulf of Mexico. </span>The coexistence of ecologically similar species may occur because of resources distribution, such as prey and habitat type and segregation time, that minimizes the interspecific competition. The changes brought about by Hurricane Isidore in the distribution of food resources by three coexisting fish species of the family Tetraodontidae (<span name="style_italic">Sphoeroides nephelus, S. spengleri </span>and <span name="style_italic">S testudineus</span>), were analyzed at the Carbonera Inlet. <span name="style_italic">Sphoeroides </span>spp. based their food on benthic organisms; principally, they consume mussels (<span name="style_italic">Brachidontes </span>sp.), barnacles (<span name="style_italic">Balanus </span>sp.) and gastropods (<span name="style_italic">Crepidula </span>sp). Before hurricane impact, the three species share the available food resources in different proportions (bivalves, gastropods, barnacles and decapods), according to different strategies that enabled them to coexist and reduce interspecific competition. After the impact, the abundance of available prey decreased and the interespecific competition for food increased, leading to <span name="style_italic">S. testudines </span>and <span name="style_italic">S. nephelus </span>change their trophic spectrum (xiphosurans, amphipods, isopods and detritus) and displacing <span name="style_italic">S. splengleri </span>of the inlet. The distribution of food resources was conditioned by the abundance and diversity of prey, as well as the adaptive response of each species. Rev. Biol. Trop. 58 (4): 1223-1235. Epub 2010 December 01.of the inlet. The distribution of food resources was conditioned by the abundance and diversity of prey, as well as the adaptive response of each species. Rev. Biol. Trop. 58 (4): 1223-1235. Epub 2010 December 01.

repartición de recursos; hábitos alimenticios; coexistencia; <span name="style_italic">Sphoeroides </span>sppspp; Golfo de México


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