MOSER, P; STARCK, J.M.; Univ. of Munich, Germany; Univ. of Munich, Germany: Flexible Responses to Feeding and Fasting in Green Iguana (Iguana iguana) We studied the flexible changes of morphology and physiology of to gastrointestinal tract of green iguana (Iguana iguana) in response to feeding and fasting. The green iguana is a strictly herbivorous lizard […]

MARTIN, J.M.*; CLEMENT, T.S.; KNIER, A.L.; FERNALD, R.D.; Stanford University; Stanford University; Stanford University; Stanford Universty: Female Hormone Profile and Mate Choice in a Cichlid Fish The African cichlid fish, Haplochromis burtoni, has proven to be a useful model for understanding the social control of behavior. In females of this species, there is substantial remodeling […]

CLARK, A.J.*; JENSEN, J.S.; Univ. of Maryland, College Park; Univ. of Maryland, College Park: Feeding performance and prey selection of pile perch (Damalichthys vacca) on four species of Littorine snails Pile perch (Damalichthys vacca) feed almost exclusively on hard-shelled invertebrates, using a highly developed pharyngeal jaw apparatus consisting of molariform toothplates and associated muscles. Among […]

ANDERSON, P.S.*; WESTNEAT, M.W.; Univ. of Chicago; Field Museum of Natural History, Chicago: Feeding in Placoderms: A Biomechanical Model of Skull Kinetics in Devonian Fossil Fishes Biomechanical models of feeding in fishes predict function from morphology and have recently been used to quantify ecological disparity. We apply this technique to the placoderms, a group of […]

STEEVES, T.E.; BOURNE, G.B.*; Univ. of Calgary and Bamfield Marine Sciences Centre; Univ. of Calgary and Bamfield Marine Sciences Centre: Feeding behavior and the distribution of the muricid gastropod Ceratostoma foliatum in Barkley Sound, British Columbia We examined feeding behavior, prey preferences, and predator and prey densities of three populations of Ceratostoma foliatum (Gmelin, 1791) […]

BERNATIS, JL; MCGAW, IJ; University of Nevada, Las Vegas; University of Nevada, Las Vegas: Feeding and Digestion in the Dungeness Crab, Cancer magister, in Hypoxic Conditions Decapod crustaceans encounter hypoxia periodically in their natural environment. Such conditions may limit their distribution and foraging ability. In Barkley Sound, British Columbia,the inshore environments inhabited by the Dungeness […]

BLANTON, J.M.; GIBB, A.C.; Amherst College; Northern Arizona University: Feeding Behavior of Poecilia sphenops: Kinematics of a novel jaw protrusion mechanism Upper jaw protrusion in fish is assumed to enhance prey capture by creating forward expansion of the mouth during feeding. Protrusion is theorized to have evolved independently in several lineages, namely the order Cypriniformes […]

SOCKMAN, K.W.*; GENTNER, T.Q.; BALL, G.F.; Johns Hopkins University; University of Chicago; Johns Hopkins University: Experience-Dependent Modulation of Song-Induced ZENK and FOS Reveals Functional Heterogeneity in the Songbird Auditory Telencephalon Female songbirds making mate-choice decisions must identify, judge among, and respond to the varying courtship songs of males. Female European starlings (Sturnus vulgaris) show robust […]

FESSLER, Jennifer L.; WESTNEAT, Mark W.; Univ. of Illinois at Chicago and the Field Museum; Field Museum: Evolutionary analysis of feeding mechanisms in angelfishes and butterflyfishes Marine butterflyfishes (Chaetodontidae) and angelfishes (Pomacanthidae) are conspicuously beautiful and abundant animals found on coral reefs worldwide. These two families are thought to be closely related, and have evolved […]

ROGERS-LOWERY, C. L.; DIMOCK, R. V., Jr.; Wake Forest University: Encapsulation of the glochidium larva of freshwater mussels on na�ve and resistant host fish In order to metamorphose into juveniles and subsequently mature into adults, the larvae (glochidia) of freshwater mussels in the order Unionoida must temporarily parasitize the gills, fins, or other external structures […]