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ALTERNATIVE REPRODUCTIVE BEHAVIORS: THREE DISCRETE MALE MORPHS IN PARACERCEIS SCULPTA, AN INTERTIDAL ISOPOD FROM THE NORTHERN GULF OF CALIFORNIA

ALTERNATIVE REPRODUCTIVE BEHAVIORS: THREE DISCRETE MALE MORPHS IN PARACERCEIS SCULPTA, AN... Males in many animal species exhibit discontinuous variation in behaviors and morphologies that are associated with reproduction (Parker, 1970; van Rhijn, 1973; Alcock, 1979; Hamilton, 1979; Perrill et al., 1978; Dominey, 1980; Gross and Charnov, 1980; Cade, 1981; Thornhill, 1981; Eberhard, 1982; Gross, 1982; Clutton-Brock et al., 1982; Austad, 1984; Howard, 1984; Gross, 1985). These alternative reproductive behaviors (ARBs) occur primarily in polygynous species in which variance in male mating success is high and thus in which sexual selection is strong (Gadgil, 1972). "Behaviors" are emphasized in this terminology, since male reproductive alternatives involving only facultative shifts in reproductive tactics are by far the most common, while ARBs involving morphological dif- ferences between males are comparatively rare. Moreover, differences in repro- ductive morphology are usually associated with specific differences in mating behavior (Austad, 1984). Reports of ARBs are few or nonexistent for the Crus- tacea. This is unexpected, since many crustaceans are polygynous (Salmon, 1984) and sexual selection has been demonstrated in a variety of species (Holdich, 1968, 1971; Stein, 1976; Knowlton, 1980; Shuster, 1981; Christy, 1983; review in Salm- on, 1984). The exemption of the Crustacea from what now seems a common evolutionary response to male sexual http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Crustacean Biology Brill

ALTERNATIVE REPRODUCTIVE BEHAVIORS: THREE DISCRETE MALE MORPHS IN PARACERCEIS SCULPTA, AN INTERTIDAL ISOPOD FROM THE NORTHERN GULF OF CALIFORNIA

Journal of Crustacean Biology , Volume 7 (2): 318 – Jan 1, 1987

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References (26)

Publisher
Brill
Copyright
Copyright 1987 by Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0278-0372
eISSN
1937-240X
DOI
10.1163/193724087X00270
Publisher site
See Article on Publisher Site

Abstract

Males in many animal species exhibit discontinuous variation in behaviors and morphologies that are associated with reproduction (Parker, 1970; van Rhijn, 1973; Alcock, 1979; Hamilton, 1979; Perrill et al., 1978; Dominey, 1980; Gross and Charnov, 1980; Cade, 1981; Thornhill, 1981; Eberhard, 1982; Gross, 1982; Clutton-Brock et al., 1982; Austad, 1984; Howard, 1984; Gross, 1985). These alternative reproductive behaviors (ARBs) occur primarily in polygynous species in which variance in male mating success is high and thus in which sexual selection is strong (Gadgil, 1972). "Behaviors" are emphasized in this terminology, since male reproductive alternatives involving only facultative shifts in reproductive tactics are by far the most common, while ARBs involving morphological dif- ferences between males are comparatively rare. Moreover, differences in repro- ductive morphology are usually associated with specific differences in mating behavior (Austad, 1984). Reports of ARBs are few or nonexistent for the Crus- tacea. This is unexpected, since many crustaceans are polygynous (Salmon, 1984) and sexual selection has been demonstrated in a variety of species (Holdich, 1968, 1971; Stein, 1976; Knowlton, 1980; Shuster, 1981; Christy, 1983; review in Salm- on, 1984). The exemption of the Crustacea from what now seems a common evolutionary response to male sexual

Journal

Journal of Crustacean BiologyBrill

Published: Jan 1, 1987

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