BEHAVIORAL EVIDENCE FOR INTRASPECIFIC SIGNALING WITH ACHROMATIC AND POLARIZED LIGHT BY CUTTLEFISH (MOLLUSCA: CEPHALOPODA) by JEAN G. BOAL1), NADAV SHASHAR2), MELISSA M. GRABLE3), KATRINA H. VAUGHAN4), ELLIS R. LOEW5) and ROGER T. HANLON6,7) (University of Texas Medical Branch, Galveston, Texas, USA & Marine Biological Laboratory, Woods Hole, Massachusetts, USA) (Acc. 23-V-2004) Summary 1) Corresponding author’s address: Department of Biology, Millersville University of Pennsylvania, P.O. Box 1002, Millersville, PA 17555-0302, USA,
[email protected] 2) Hebrew University of Jerusalem, ESE Department, Interuniversity Institute for Marine Sciences, P.O. Box. 469, Eilat 88103, Israel,
[email protected] 3) Boston University Marine Program, Woods Hole, MA 02543, USA,
[email protected] 4) University of Wales Swansea, Singleton Park, Swansea SA2 8PP UK,
[email protected] 5) Department of Biomedical Sciences, Cornell University, Ithaca, NY 14853, USA,
[email protected] 6) Marine Resources Center, Marine Biological Laboratory, Woods Hole, MA 02543-1015, USA,
[email protected] 7) We are grateful to Dawn Golden for manually coding behaviors videotaped in Experiment 1. We thank Sabrina Fisher, Nadia Meyers, Dawn Golden, Allison Roberts, Susan Gonzalez, and Katie Robbins for their assistance in the computerized scoring of hours upon hours of videotape. James Fenwick and Guy Steucek generously provided statistical advice; responsibility for any errors in the analyses remains ours. Care and maintenance of animals was graciously provided by the staff of the National Resource Center of the University of Texas Medical Branch in Galveston, Texas, and the Marine Resources Center of the Marine Biological Laboratory in Woods Hole, Massachusetts.