Skip to main content
Article thumbnail
Location of Repository

Trait compensation in marine gastropods: shell shape, avoidance behavior, and susceptibility to predation

By Peter A. Cotton, Simon D. Rundle and Kathryn E. Smith

Abstract

Many organisms have evolved morphological and behavioral traits that reduce their susceptibility to predation. However, few studies have explicitly investigated the relationships between defensive traits and susceptibility. Here we demonstrate a negative correlation between morphological defenses and behavioral avoidance across several species of marine gastropod that is linked to vulnerability to crab predation. Snails that had relatively taller shell spires (high aspect ratio) showed greater responsiveness when exposed to predation cues than did species with disc-like shells (low aspect ratio). Our results suggest that the snail species most vulnerable to predation compensated by showing the highest levels of behavioral avoidance, and hence may be at a disadvantage in competition with less vulnerable species. This has important implications because the behavioral response of herbivorous gastropods to predation cues may play a central role in structuring rocky intertidal communities through trait-mediated indirect effects

Topics: GC, QH301
Year: 2004
OAI identifier: oai:eprints.soton.ac.uk:68702
Provided by: e-Prints Soton

Suggested articles

Citations

  1. (1993). A natural history of shells. doi
  2. (1997). Benthic-pelagic links and rocky intertidal communities: bottom-up effects on topdown control? doi
  3. (2002). Cue sensitivity, inducible defense, and trade-offs in a marine snail.Ecology 83:1635–1647. doi
  4. (1992). Evolution of correlated characters. doi
  5. (2002). Field evidence of trait-mediated indirect interactions in a rocky intertidal food web. Ecology Letters 5:241–245. doi
  6. (2000). Induced defenses in response to an invading crab predator: an explanation of historical and geographic phenotypic change. doi
  7. (1999). Interpopulation and context-related differences in responses of a marine gastropod to predation risk. doi
  8. (1991). Morphology and behavior of crabs and gastropods from Lake Tanganyika, Africa–implications for lacustrine predator-prey coevolution. Evolution 45:589–607. doi
  9. nmark.2001. Inter-andintraspecific trait compensation of defence mechanisms in freshwater snails. doi
  10. (1994). Ontogeny of shell morphology and shell strength of the marine snails Littorina obtusata and Littorina mariae: different defense strategies in a pair of sympatric, sibling species. doi
  11. (1996). Phenotypic plasticity in an intertidal snail: the role of a common crab predator. doi
  12. (1997). Phenotypic plasticity in the foot size of an intertidal snail. doi
  13. (1991). Predator avoidance by the freshwater snail Physella virgata in response to the crayfish Procambarus simulans. Oecologia 87:435–442. doi
  14. (2000). Predator specificity of kairomones in diel vertical migration of Daphnia: a chemical approach. Oikos 88:119–128. doi
  15. (1999). Predator-induced alarm responses in the common periwinkle, Littorina littorea: dependence on season, light conditions, and chemical labelling of predators. doi
  16. (2003). SPSS for Windows. Version 11.5. SPSS, doi
  17. (1995). The interaction between antipredator behaviour and antipredator morphology: experiments with fathead minnows and brook sticklebacks. doi
  18. (2001). The physiology of life history trade-offs in animals. doi
  19. (1998). The role of shell strength in selective foraging by crayfish for gastropod prey. Freshwater Biology 40:255–260. doi
  20. (1999). Trait compensation and cospecialization in a freshwatersnail:size,shape and antipredator behaviour. doi
  21. (2003). Trait-mediated effects in rocky intertidal food chains:predator risk cues alter prey feeding rates. doi
  22. (1988). Water-bornestimuli released by predatory crabs and damaged prey induce more predator-resistant shells doi

To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.