Journal Article10.1016/0022-0981(78)90004-7
Sexual dimorphism and intraspecific aggression, and their relationship to sex ratios in Caprella gorgonia Laubitz & Lewbel (Crustacea : Amphipoda : Caprellidae)
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TL;DR: The amphipod Caprella gorgonia Laubitz & Lewbel is an obligate commensal on gorgonian octocorals, which functions in mating-related intraspecific combat with other males, and in the laboratory, increased density in breeding groups may affect mortality due to male aggression.
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About: This article is published in Journal of Experimental Marine Biology and Ecology. The article was published on 01 Jan 1978. The article focuses on the topics: Sex ratio & Population.
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Citations
Monogamy in Crustacea and Man
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TL;DR: Two different meanings of the term ‘monogamy’ are outlined and evolutionary convergencies, rather than the homologies, in social behaviour and social systems help in understanding the factor-network relevant to selection.
128
Intrasexually selected weapons.
Alejandro Rico-Guevara,Alejandro Rico-Guevara,Alejandro Rico-Guevara,Kristiina J. Hurme,Kristiina J. Hurme +4 more
TL;DR: It is conceptualized that there are five ways in which a sexually dimorphic trait, apart from the primary sex traits, can be fixed: sexual selection, fecundity selection, parental role division, differential niche occupation between the sexes, and interference competition.
128
Reproduction and development of marine peracaridans
TL;DR: The female reproductive system of peracarid crustaceans is characterized by direct development with the young carried by the female in a ventral brood pouch made from overlapping oostegites as discussed by the authors.
107
Quo Vadis Venomics? A Roadmap to Neglected Venomous Invertebrates
TL;DR: This review draws the outlines of a roadmap into the diversity of poorly studied and understood venomous and putatively venomous invertebrates, which together represent tens of thousands of unique venoms.
105
Growth and reproduction ofCaprella danilevskii (Crustacea: Amphipoda) reared in the laboratory
I. Takeuchi,R. Hirano +1 more
TL;DR: Caprella danilevskii Czerniavski, an epifaunal amphipod crustacean, was successfully reared for two generations under laboratory conditions and a different pattern of flagellar segment addition in the antenna I of males and females was revealed.
79
References
Sexual dimorphism in crayfish chelae: functional significance linked to reproductive activities
TL;DR: Because males with large chelae could interact more successfully with larger more fecund females, these males may contribute proportionally more genes to future populations of cambarid crayfishes.
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The biology of Gammarus (Crustacea, Amphipoda) in the northwestern Atlantic. XI. Comparison and discussion
D. H. Steele,V. J. Steele +1 more
TL;DR: The main adaptation allowing these species to occupy their extensive geographic range from the North Pole to the Gulf of Mexico is variation in body size, which results in a single, large, well-timed brood being released within the short period of optimum conditions.
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