Responses of Five Holothurian Species to Attacks by a Predatory Gastropod, Tonna perdix

dc.contributor.author Kropp, Roy K.
dc.date.accessioned 2008-02-20T03:34:16Z
dc.date.available 2008-02-20T03:34:16Z
dc.date.issued 1982-10
dc.description.abstract In the laboratory Tonna perdix attacked and often engulfed individuals of five holothurian species. Two species, Stichopus chloronotus and S. horrens, sometimes escaped attacks by shedding a piece of body wall and bounding away from the predator. Bounding employed an exaggerated, direct arching peristalsis and was much faster than ordinary crawling. The general response of each of the other three species, Holothuria atra, H. cinerascens, and H. hilla, was a shortening of the body lengthwise accompanied by a swelling of the body into a spherelike shape. This response was not usually effective as an escape maneuver. Only H. hilla eviscerated during attacks and this was a direct result of penetration of the visceral cavity by the tonnid radula.
dc.identifier.citation Kropp RK. 1982. Responses of five holothurian species to attacks by a predatory gastropod, Tonna perdix. Pac Sci 36(4): 445-452.
dc.identifier.issn 0030-8870
dc.identifier.uri http://hdl.handle.net/10125/478
dc.language.iso en-US
dc.publisher University of Hawai'i Press
dc.title Responses of Five Holothurian Species to Attacks by a Predatory Gastropod, Tonna perdix
dc.type Article
dc.type.dcmi Text
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