Sexual dimorphism in amphipods: The role of male posterior gnathopods revealed in Gammarus pulex

Behavioral Ecology and Sociobiology

Volumn 58, Issue 3, 2005, Pages 264-269

  Hume, Kevin D ^a   Elwood, Robert W ^a   Dick, Jaimie T A ^a   Morrison, Jenny ^a  

^a QUEEN'S UNIVERSITY BELFAST   (United Kingdom)

Author keywords

Copulation; Gnathopods; Precopula; Primary and secondary sexual traits; Sexual dimorphism

Indexed keywords

AMPHIPOD; COPULATION; MATE GUARDING; SEXUAL DIMORPHISM; SEXUAL SELECTION;

AMPHIPODA; GAMMARUS; GAMMARUS PULEX;

EID: 21344436829     PISSN: 03405443     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00265-005-0925-7     Document Type: Article

References (22)

1. Adams J, Greenwood PJ (1983) Why are males bigger than females in precopula pairs of Gammarus pulex? Behav Ecol Sociobiol 13:239-241
2. Andersson M (1994) Sexual selection. Princeton University Press, New Jersey
3. Belk D (1984) Antennal appendages and reproductive success in the Anostraca. J Crust Biol 4:66-71
4. Bertin A, Cézilly F (2005) Density dependent influence of male characters on mate-locating efficiency and pairing success in the waterlouse Asellus aquaticus: an experimental study. J Zool (in press)
5. Birkhead TR, Clarkson K (1980) Mate selection and precopulatory guarding in Gammarus pulex. Z Tierpsychol 52:365-380
6. Borowsky B (1984) The use of the males' gnathopods during precopulation in some gammaridean amphipods. Crustaceana 47:245-250
7. Clemens HP (1950) Life cycle and ecology of Gammarus fasciatus Say. Contribution no. 12. Ohio State University, Stonelab, OH
8. Conlon KE (1991) Precopulatory mating behaviour and sexual dimorphism in the amphipod Crustacea. Hydrobiologia 223:255-282
9. Darwin C (1871) The descent of man and selection in relation to sex. John Murray, London
10. Dick JTA, Elwood RW (1989) The causal and functional organisation of mating behaviour in Gammarus pulex (Amphipoda). Behav Proc 20:111-124
11. Dingle H (1983). Strategies in agonistic behavior in crustacea. In: Rebach S, Dunham DW (eds) Studies in adaptation: the behavior of higher crustacea. Wiley, New York, pp 85-111
12. Dunn AM (1998) The role of calceoli in mate assessment and precopula guarding in Gammarus. Anim Behav 56:1471-1475
13. Eberhard WG (2002) Physical restraint or stimulation? The function(s) of the modified front legs of male Archisepsis diversiformis (Diptera, Sepsidae). J Insect Behav 15:831-850
14. Elwood R, Gibson J, Neil S (1987) The amorous Gammarus: size assortative mating in G. pulex. Anim Behav 35:1-6
15. Lewbel GS (1978) Sexual dimorphism, and ultra-specific aggression, and their relationship to sex ratios in Caprella gorgonian Laubitz and Lewbel (Crustacea: Amphipoda: Caprellidae). J Exp Mar Biol Ecol 33:133-151
16. Sexton EW (1924) The moulting and growth-stages of Gammarus, with descriptions of the normals and intersexes of G. chevreuxi. J Mar Biol Assoc UK 13:340-396
17. Sexton EW (1928) On the rearing and breeding of Gammarus in laboratory conditions. J Mar Biol Assoc UK 15:33-55
18. Thompson DJ, Manning JT (1981) Mate selection by Asellus (Crustacea: Isopoda). Behaviour 78:178-187
19. Thornhill R, Sauer KP (1991) The notai organ of the scorpionfly (Panorpa vulgaris): An adaptation to coerce mating duration. Behav Ecol 2:156-164
20. Ward PI (1983) Advantages and disadvantages of large male size for male Gammarus pulex. Behav Ecol Sociobiol 14:69-76
21. Ward PI (1984a) The effect of male size on mating decisions of Gammarus pulex (Crustacea, Amphipoda). Z Tierpsychol 64:174-184
22. Ward PI (1984b) Gammarus pulex control their moult timing to secure mates. Anim Behav 32:927