Intrasexually selected weapons

A Rico‐Guevara, KJ Hurme - Biological Reviews, 2019 - Wiley Online Library
We propose a practical concept that distinguishes the particular kind of weaponry that has
evolved to be used in combat between individuals of the same species and sex, which we …

Songs versus colours versus horns: what explains the diversity of sexually selected traits?

JJ Wiens, E Tuschhoff - Biological Reviews, 2020 - Wiley Online Library
Papers on sexual selection often highlight the incredible diversity of sexually selected traits
across animals. Yet, few studies have tried to explain why this diversity evolved. Animals use …

Effects of density on the strength of sexual selection in the laboratory and in nature

RD Cothran, D Schmidenberg, AR Stiff… - Biological Journal of …, 2023 - academic.oup.com
There is a growing effort to understand how sexual selection varies over space and time
under different ecological conditions and how this can maintain variation in sexual traits. An …

Sex-dependent effects of sulfamethoxazole exposure on pro-/anti-oxidant status with stimulation on growth, behavior and reproduction in the amphipod Hyalella …

Z Yu, D Yin, J Zhang - Environmental Pollution, 2019 - Elsevier
Negative effects of environmental antibiotics on non-target organisms were observed in
studies at various levels of the biological organization. Yet, studies combining the effects at …

Condition dependence of a sexually selected trait in a crustacean species complex: importance of the ecological context

RD Cothran, PD Jeyasingh - Evolution, 2010 - academic.oup.com
The genic capture model offers a promising solution to the lek paradox. Heightened
condition dependency of sexually selected traits is a prerequisite of this model. Condition …

Phenotypically similar but ecologically distinct: differences in competitive ability and predation risk among amphipods

RD Cothran, KA Henderson, D Schmidenberg… - Oikos, 2013 - Wiley Online Library
Nature is often more diverse than expected with multiple species appearing to occupy the
same niche. This observation is especially perplexing when the co‐occurring species are …

The effects of wastewater effluent on multiple behaviours in the amphipod, Gammarus pulex

AC Love, N Crooks, AT Ford - Environmental Pollution, 2020 - Elsevier
The prevalence of pharmaceuticals and personal care products (PPCPs) in lotic habitats is
increasing, with the main source of these contaminants being effluent from waste water …

Within-population variation in the chemistry of life: the stoichiometry of sexual dimorphism in multiple dimensions

JM Goos, RD Cothran, PD Jeyasingh - Evolutionary ecology, 2017 - Springer
In sexual species, phenotypic divergence between males and females, or sexual
dimorphism, is often the source of the most staggering examples of phenotypic variation in …

Sexual selection in harems: male competition plays a larger role than female choice in an amphipod

VK Iyengar, BD Starks - Behavioral Ecology, 2008 - academic.oup.com
Spatial distribution can be affected by sexual selection, particularly in mating systems where
males have exaggerated traits used to compete for access to females. Although it is rare to …

No Evidence for Temporal Variation in a Cryptic Species Community of Freshwater Amphipods of the Hyalella azteca Species Complex

K Dionne, R Vergilino, F Dufresne, F Charles, C Nozais - Diversity, 2011 - mdpi.com
The co-occurrence of cryptic species of Hyalella amphipods is a challenge to our traditional
views of how species assemble. Since these species have similar morphologies, it is not …