Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: Feeding habitats and fecal pellet contents of the intertidal ascidians in Monterey Bay
Student Author(s): Rice, Ronald
Cotsirilos, Peter
Faculty Advisor(s): Abbott, Isabella
%E Abbott, Donald
Pages: 31
Location: Final Papers Biology 175H
Date: June 1981
Keywords: ascidians
Abstract: Fecal pellets of seven species of tunicates (Ascidacea) were collected from animals inhabiting the same intertidal habitat near Pacific Grove, California in order to asses the kinds of material ingested. Diatoms and dinoflagellates were the most abundant. Tunicates producing pellets with large numbers of dinoflagellates were of a different species and morphology than those showing diatoms to dominate. Five species were selectd for laboratory feeding studies and involved solitary, social, and colonial animals. Our observations indicate that the tentacles show important activity when encountered with potential food particles.