Larval settlement and metamorphosis in a marine gastropod in response to multiple conspecific cues.

ABSTRACT: Larvae of the marine gastropod Crepidula fornicata must complete a transition from the plankton, where they are highly dispersed, to an aggregated group of benthic adults. Previous research has shown that selective settlement of larvae on conspecific adults is mediated by a water-borne chemical cue. However, variable experimental conditions have been used to study this cue, and standardization is needed in order to investigate factors that may have weak effects on settlement. In this study, we developed a time-course bioassay based on a full-factorial design with temporal blocking and statistical analysis of larval settlement rates in the lab. We tested this bioassay by examining settlement in the presence of an abiotic cue (KCl), and biotic cues (water conditioned with adult conspecifics

SUBMITTER: Cahill AE 

PROVIDER: S-EPMC4974925 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature