Meeting Abstract 56.6  Thursday, Jan. 6  Elevated testosterone during meiotic segregation stimulates laying hens to produce more sons. PINSON, SE*; NAVARA, KJ; University of Georgia, Athens; University of Georgia, Athens sbmoore@uga.edu Birds have demonstrated a remarkable ability to manipulate offspring sex. Previous studies suggest that treatment with hormones can stimulate females to manipulate offspring sex, and that […]

Meeting Abstract 56.2  Thursday, Jan. 6  Color in context: female convict cichlids alter carotenoid-based traits in response to predation risk and changes in breeding status WONG, S. C.*; EARLEY, R. L.; University of Alabama; University of Alabama stephc.wong@gmail.com laborate male secondary sexual traits, from ornaments to armaments, have long been considered markers of ideal mates and/or superior […]

Meeting Abstract 56.4  Thursday, Jan. 6  Acute stress-induced inhibition of plasma testosterone in male songbirds: time course, reversibility, and specificity DEVICHE, Pierre J*; BURIN DES ROZIERS, Matthieu; GAO, Sisi; Arizona State University; University of Poitiers, France; Arizona State University deviche@asu.edu Acute stress in birds can rapidly inhibit plasma testosterone (T; Deviche et al., 2010: Gen. Comp. Endocrinol.), […]

Meeting Abstract 56.5  Thursday, Jan. 5  Undulatory locomotion by flexible foils as a model of understanding fish propulsion SHELTON, R.M.*; LAUDER, G.V.; Univ. of North Carolina, Chapel Hill rmshelto@email.unc.edu Undulatory locomotion is a common method for creating thrust and maneuvering in many fish species, but our inability to experimentally manipulate key variables such as body length, flexural […]

Meeting Abstract 56.1  Thursday, Jan. 5  Synchronized Swimming: Coordination of pelvic and pectoral fins during augmented punting in stingrays BLEVINS, EL*; MACESIC, LM; MULVANEY, D; Harvard University, Cambridge, MA; Mount Holyoke College, South Hadley, MA; Florida Atlantic University, Boca Raton, FL eblevins@fas.harvard.edu Benthic animals live at a fluid-solid boundary, and therefore have access to multiple modes of […]

Meeting Abstract 56.4  Thursday, Jan. 5  Ribbon Fin Kinematics in the Bowfin, Amia calva JAGNANDAN, K.*; SANFORD, C. P.; Hofstra University, Hempstead, NY; Hofstra University, Hempstead, NY kevin.m.jagnandan@hofstra.edu The use of an elongated dorsal or anal fin (a ribbon fin) in producing forward and backward propulsion is utilized by a variety of phylogenetically distinct fish species. Fishes […]

Meeting Abstract 56.3  Thursday, Jan. 5  Maneuverability and Agility in Cuttlefish Sepia pharaonis and Sepia bandensis WIGTON, R/A*; KRUEGER, P/S; BARTOL, I/K; Old Dominion University, Norfolk, VA; Southern Methodist University, Dallas, TX; Old Dominion University, Norfolk, VA rwigt001@odu.edu Cuttlefish live in complex coral reef habitats that require them to make frequent turns to navigate, hunt for prey […]

Meeting Abstract 56.2  Thursday, Jan. 5  Gait selection in a pteropod mollusk? Examining the kinematics of Clione limacina‘s swimming for evidence of a gait change. SZYMIK, Brett G*; SATTERLIE, Richard A; Longwood University; University of North Carolina at Wilmington szymikbg@longwood.edu Discreet locomotory gaits have been defined in many ways, among them the energetic costs/savings of changing gait, […]

Meeting Abstract 56.1  Saturday, Jan. 5  Maternal stress as a driver of adaptive phenotypic responses in offspring SHERIFF, MJ*; LOVE, OP; University of Alaska Fairbanks mjsheriff@alaska.edu Maternal stress has become widely recognized as a driving factor affecting offspring phenotypes, and evolutionary biologists and medical practitioners are investing great effort in determining the role of maternally-derived stress (MDS) […]

Meeting Abstract 56.2  Saturday, Jan. 5  Feather corticosterone predicts offspring performance in a context-dependent manner LOVE, O.P.*; BOURGEON, S.; MADLIGER, C.L.; HARRIS, C.; WILLIAMS, T.D.; University of Windsor, ON; Norwegian Polar Institute, Tromsø; University of Windsor, ON; University of Windsor, ON; Simon Fraser University, BC olove@uwindsor.ca The use of feather Corticosterone (CORT) as a measure of integrated […]