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You searched for: Journal Behavioral ecology and sociobiology Remove constraint Journal: Behavioral ecology and sociobiology Publication Year 2013 Remove constraint Publication Year: 2013 Subject males Remove constraint Subject: males Subject fish Remove constraint Subject: fish
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1. Consequences of paternal care on pectoral fin allometry in a desert-dwelling fish

Author:
van Lieshout, Emile; Svensson, P. Andreas; Wong, Bob B. M.
Source:
Behavioral ecology and sociobiology 2013 v.67 no.3 pp. 513-518
ISSN:
0340-5443
Subject:
Gobiidae; allometry; anaerobic conditions; body size; females; fins; fish; head; males; sexual dimorphism; sexual selection
Abstract:
... Positive static allometry is a scaling relationship where the relative size of traits covaries with adult body size. Traditionally, positive allometry is thought to result from either altered physiological requirements at larger body size or from strongly condition-dependent allocation under sexual selection. Yet, there are no theoretical reasons why positive allometry cannot evolve in fitness-rel ...
DOI:
10.1007/s00265-012-1470-9

2. High degree of paternity loss in a species with alternative reproductive tactics

Author:
Cogliati, Karen M.; Neff, Bryan D.; Balshine, Sigal
Source:
Behavioral ecology and sociobiology 2013 v.67 no.3 pp. 399-408
ISSN:
0340-5443
Subject:
body size; breeding season; courtship; energy; fish; males; mating systems; microsatellite repeats; nests; paternity; phenotype; spermatozoa
Abstract:
... In many mating systems, males adopt alternative reproductive tactics (ARTs) to maximize reproductive success. In fishes, guarding males often invest more energy into courtship, defense, and paternal care, whereas cuckolding males forego such costs and steal fertilizations by releasing their sperm in the nest of a guarding male. These two tactics have been documented in the plainfin midshipman fish ...
DOI:
10.1007/s00265-012-1460-y

3. Mate availability accelerates male filial cannibalism in a nest brooding fish: effects of number and fecundity of females

Author:
Takeyama, Tomohiro; Namizaki, Naoko; Kohda, Masanori
Source:
Behavioral ecology and sociobiology 2013 v.67 no.3 pp. 421-428
ISSN:
0340-5443
Subject:
Gobiidae; cages; cannibalism; fecundity; fish; gravid females; males; nests; sex ratio; spawning
Abstract:
... Theoretical models predict that increased mate availability accelerates filial cannibalism by the parental male, but we do not yet fully understand how the various aspects of mate availability contribute to this effect. We examined the effects of two elements of mate availability—female fecundity and sex ratio—on filial cannibalism by the lizard goby, Rhinogobius flumineus, which is a paternal nes ...
DOI:
10.1007/s00265-012-1462-9

4. Females prefer males with superior fighting abilities but avoid sexually harassing winners when eavesdropping on male fights

Author:
Bierbach, David; Sassmannshausen, Vanessa; Streit, Bruno; Arias-Rodriguez, Lenin; Plath, Martin
Source:
Behavioral ecology and sociobiology 2013 v.67 no.4 pp. 675-683
ISSN:
0340-5443
Subject:
Poecilia; body size; females; fish; males; sexual behavior
Abstract:
... Selection imposed by male competition (intrasexual selection) and female choice (intersexual selection) can be con- or discordant. Specifically, females may or may not prefer mating with dominant males, and direct costs of interacting with dominant (and possibly more harassing) males have been suggested to explain avoidance of dominant males. Here, we exemplify that inter- and intrasexual selectio ...
DOI:
10.1007/s00265-013-1487-8

5. Evolution of mating systems and sexual size dimorphism in North American cyprinids

Author:
Pyron, M.; Pitcher, T. E.; Jacquemin, S. J.
Source:
Behavioral ecology and sociobiology 2013 v.67 no.5 pp. 747-756
ISSN:
0340-5443
Subject:
Cyprinidae; body size; dimorphism; females; fish; males; mating systems; models; phylogeny; spawning; sperm competition; testes
Abstract:
... Mating systems evolve with sexual size dimorphism (SSD) in many animals. Mating systems with males larger than females occur when males compete for female access or guard territories, while mating systems with group mating tend to occur in species where females are the same size or larger than males. In addition to variation in SSD with mating system, sperm competition varies among mating systems ...
DOI:
10.1007/s00265-013-1498-5