U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Subject term dimorphism Remove constraint Subject term: dimorphism Subject term fish Remove constraint Subject term: fish Subject term Cyprinidae Remove constraint Subject term: Cyprinidae
Start Over

Search

1  Search Results

1 entry found
Number of results to display per page

Search Results

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

Author:
M. Pyron; T. E. Pitcher; S. J. Jacquemin
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