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The effect of population density on growth and survival of a Neotropical annual killifish
Author(s) -
García Daniel,
Reichard Martin
Publication year - 2020
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/jfb.14357
Subject(s) - killifish , biology , competition (biology) , population density , population , density dependence , ecology , zoology , demography , fishery , fish <actinopterygii> , sociology
We used a field experiment to test the effects of population density on the growth rate and survival of Austrolebias bellottii , a Neotropical annual killifish. Effects differed between the sexes: males at high densities achieved a smaller final size and experienced higher mortality while no such effects were observed in females. This sex‐specific effect could be an indirect consequence of mate competition.
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