. Bulletin. Science; Natural history; Natural history. RESEARCH NOTE 47 D LU i- JQ e 3. 2 3 4 5 6 Day Number Crangon m'gn'cauda Heptacarpus cf. carinatus Fig. 2. The total number of Heptacapus cf. carinatus and Crangon nigricauda eaten by both Leptocottus armatus and Scorpaenichthys marmoratus as a function of time. The sculpins were not fed two days prior to experimentation. first 12-hour period than at any other time. This extremely limited information does suggest the possibility that the fish might prey arbitrarily when food avail- ability is low. As they became well fed ("high prey a
. Bulletin. Science; Natural history; Natural history. RESEARCH NOTE 47 D LU i- JQ e 3. 2 3 4 5 6 Day Number Crangon m'gn'cauda Heptacarpus cf. carinatus Fig. 2. The total number of Heptacapus cf. carinatus and Crangon nigricauda eaten by both Leptocottus armatus and Scorpaenichthys marmoratus as a function of time. The sculpins were not fed two days prior to experimentation. first 12-hour period than at any other time. This extremely limited information does suggest the possibility that the fish might prey arbitrarily when food avail- ability is low. As they became well fed ("high prey availability") a significant preference developed. Further studies comparing prey choices in hungry fish ver- sus well-fed fish are needed to address this hypothesis. Alternatively, the variety of prey organisms in the natural environment may be so diverse that a preference between two species is not discernible. An examination of cabezon stomach con- tents by Myers (1979) found over eight different, but unidentified, shrimp species consumed. This form of quantitative analysis in sculpin food preferences is just the starting point for additional studies. Further exploration of fish prey preferences may eventually provide information relevant to movements in fish populations, nu- tritional information for fish farmers, as well as understanding the interactions of ecological communities as a whole. Acknowledgments We thank Dr. Don Buth and Blaise Eitner for their suggestions, guidance, and assistance in statistical analysis, as well as supplying necessary equipment and fishes for our study. We are also grateful to the staff at Bodega Marine Laboratory for the generous provision of their facilities and time, and to Dr. Joel Martin and Hans Kuck from the Natural History Museum of Los Angeles County for iden- tification and deposition of vouchers of the shrimp Please note that these images are extracted from scanned page images that may have been digitally enhanced for
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