Meeting Abstract 95.2  Wednesday, Jan. 7  Stuck between a rock crab and a hard place: phenotypic responses to multiple predators in a marine snail. BOURDEAU, Paul/E; Stony Brook University bourdeau@life.bio.sunysb.edu I examined the single and combined effect of chemical cues from crabs and seastars, two predators with contrasting attack modes, on the shell morphology of the marine […]

Meeting Abstract 95.4  Wednesday, Jan. 7  Sex allocation and reproductive success in simultaneously hermaphroditic acorn barnacles HOCH, JM; Stony Brook University jmatthoch@gmail.com Semibalanus balanoides is a simultaneously hermaphroditic acorn barnacle that mates with its neighbors using a long, agile penis. Sex allocation theory (Charnov 1980, 1982) predicts that simultaneous hermaphrodites maximize total reproductive success by increasing allocation […]

Meeting Abstract 95.1  Wednesday, Jan. 7  Quantitative genetic analyses of risk-induced hatching reveal limits to plasticity of inducible defenses GOMEZ-MESTRE, I.*; TOUCHON, J.C.; SACCOCCIO, V.L.; WARKENTIN, K.M.; Donana Biological Station, CSIC, Spain; Dept. of Biology, Boston University; Dept. of Biology, Boston University; Dept. of Biology, Boston University; Dept. of Biology, Boston University igmestre@ebd.csic.es Inducible defenses are paradigmatic […]

Meeting Abstract 95.5  Wednesday, Jan. 7  Dynamics of Shrimp Goby Mutualism in the Caribbean LYONS, P.J.; Stony Brook Univ. plyons@life.bio.sunysb.edu In the mutualism between burrowing alpheid shrimp and gobies, the goby gains shelter and the shrimp benefits from the alarm against predators generated by flutters of the gobys caudal fin. In the Caribbean, the shrimp, Alpheus floridanus, […]

Meeting Abstract 95.3  Wednesday, Jan. 7  Crab scent induces thicker skeletons, smaller gonads and size-specific adjustments in growth rate in sea urchins JOHNSON, A.S.*; SELDEN, R; ELLERS, O; Bowdoin College, Maine; Bowdoin College, Maine; Bowdoin College, Maine ajohnson@bowdoin.edu Indirect predator-induced effects on morphology of marine invertebrates have been studied in snails, mussels, bryozoans, cladocerans and others but […]

Meeting Abstract 94.2  Wednesday, Jan. 7  Vacancy chains in different social contexts determine resource acquisition by Coenobita clypeatus terrestrial hermit crabs ROTJAN, Randi*; CHABOT, Jeffrey R; LEWIS, Sara; Harvard University / New England Aquarium; Pfizer, Inc.; Tufts University rrotjan@neaq.org Hermit crabs require gastropod shell resources for protection. Because shells are often scarce, crabs have evolved complex behavioral […]

Meeting Abstract 94.6  Wednesday, Jan. 7  Phylogenetic perspectives on learning in pitvipers (Viperidae: Crotalinae) with comments on one-trial learning in rattlesnakes KROCHMAL, Aaron R.*; BAKKEN, George S.; LADUC, Travis J.; Washington College, Chestertown MD akrochmal2@washcoll.edu Little effort has been devoted to investigating learning in snakes. Those studies that have been conducted generally lack biological relevance and a […]

Meeting Abstract 94.1  Wednesday, Jan. 7  Is avian migration in the American Southwest timed to the bloom of columnar cacti? ENGEL, S.*; HYDE , T.; WOLF , B. O.; Univ. of New Mexico, Albuquerque sengel@unm.edu During spring time in the Sonoran Desert, columnar cacti like saguaro produce an abundance of nectar- and pollen-rich flowers, the seasonal timing […]

Meeting Abstract 94.4  Wednesday, Jan. 7  Effect of Rearing Temperature on the Onset and Duration of Dispersal of Early Life Stages of Shortnose Sturgeon PARKER, E.L.*; KYNARD, B.; PARKER, T.K.; KYNARD, B.E.; USGS, Conte Anadromous Fish Research Center; BK-Riverfish, LLC.; BK-Riverfish, LLC.; BK-Riverfish, LLC. eparker@usgs.gov Shortnose sturgeon (Acipenser brevirostrum) undergo a downstream dispersal during the larval life […]

Meeting Abstract 94.5  Wednesday, Jan. 7  Circadian rhythms in free-living arctic ground squirrels. BARNES, BM; Univ of Alaska, Fairbanks ffbmb@uaf.edu The persistence and function of circadian rhythms in hibernators is controversial. Hibernating mammals withdraw from the environment and undergo profound changes in body temperature (Tb), yet individuals require and demonstrate precise seasonal timing. We are examining expression […]