scholarly journals Male mate choice unresolved in the mangrove rivulus

2021 ◽  
Author(s):  
Jennifer D. Gresham ◽  
Ryan L. Earley
Keyword(s):  
Mate Choice ◽  
Male Mate Choice ◽  
Phenotypic Evolution ◽  
Extreme Phenotypes ◽  
Alternative Hypotheses ◽  
Kryptolebias Marmoratus ◽  
Male Mate ◽  
Courtship Behaviors ◽  
Mangrove Rivulus ◽  
Simultaneous Hermaphrodites

AbstractMate choice has the potential to drive phenotypic evolution because it can determine traits that increase an individual’s likelihood to reproduce (courtship behaviors, elaborate ornamentation). These traits, however, can also be detrimental for health or survival, often antagonizing the evolution of extreme phenotypes. Mangrove rivulus fish (Kryptolebias marmoratus) develop as self-fertilizing simultaneous hermaphrodites. Hermaphrodites overwhelmingly self-fertilize their eggs internally, but occasionally oviposit unfertilized eggs. Some individuals change sex to male after sexual maturity, essentially forgoing the reproductive assurance of selfing. In a continuing effort to understand how sex change to male is maintained this species, I designed an experiment to determine whether males act as choosers to increase their likelihood of finding unfertilized eggs for reproduction. I hypothesized that males would prefer to associate with younger hermaphrodites when given a dichotomous choice, as they lay a greater proportion of unfertilized eggs compared to older hermaphrodites. The males in this study did not show a preference for either the younger or older hermaphrodite but exhibited greater within individual variance across subtrials than among individual variation. I discuss alternative hypotheses concerning male mate choice in mangrove rivulus, which may illuminate hypotheses to be tested in this and other hermaphroditic species.

Male mate choice in the annual killifish Millerichthys robustus and its relationship with female polymorphism, size and fecundity

2021 ◽  
pp. 1-15 ◽  
Author(s):  
Omar Domínguez-Castanedo ◽  
Tessy M. Muñoz-Campos ◽  
Stefano Valdesalici ◽  
Sharon Valdez-Carbajal ◽  
Carlos Passos
Keyword(s):  
Mate Choice ◽  
Male Mate Choice ◽  
Annual Killifish ◽  
Female Polymorphism ◽  
Male Mate

scholarly journals The evolution of postpairing male mate choice

Evolution ◽  
2017 ◽  
Vol 71 (6) ◽  
pp. 1465-1477 ◽  
Author(s):  
Nan Lyu ◽  
Maria R. Servedio ◽  
Huw Lloyd ◽  
Yue-Hua Sun
Keyword(s):  
Mate Choice ◽  
Male Mate Choice ◽  
Male Mate

How Likely Is Male Mate Choice Among Anurans?

Behaviour ◽  
1995 ◽  
Vol 132 (9-10) ◽  
pp. 643-664 ◽  
Author(s):  
James J. Krupa
Keyword(s):  
Mate Choice ◽  
Male Mate Choice ◽  
Male Mate

Male mate choice favors more colorful females in the gift-giving cabbage butterfly

2014 ◽  
Vol 68 (9) ◽  
pp. 1539-1547 ◽  
Author(s):  
Natasha Tigreros ◽  
Monica A. Mowery ◽  
Sara M. Lewis
Keyword(s):  
Mate Choice ◽  
Male Mate Choice ◽  
Gift Giving ◽  
Cabbage Butterfly ◽  
The Gift ◽  
Male Mate

scholarly journals No male mate choice for female boldness in a bi-parental West African cichlid, the rainbow krib (Pelvicachromis pulcher)

PeerJ ◽  
2018 ◽  
Vol 6 ◽  
pp. e5373 ◽  
Author(s):  
Ulrike Scherer ◽  
Wiebke Schuett
Keyword(s):  
Mate Choice ◽  
Parental Species ◽  
Reproductive Investment ◽  
West African ◽  
Choice Test ◽  
Male Mating ◽  
Male Mate Choice ◽  
African Cichlid ◽  
Personality Differences ◽  
Male Mate

Background In many species, males have a lower reproductive investment than females and are therefore assumed to increase their fitness with a high number of matings rather than by being choosy. However, in bi-parental species, also males heavily invest into reproduction. Here, reproductive success largely depends on costly parental care; with style and amount of parental effort in several cases being associated with personality differences (i.e., consistent between-individual differences in behaviour). Nonetheless, very little is known about the effect of personality differences on (male) mate choice in bi-parental species. Methods In the present study, we tested male mate choice for the level and consistency of female boldness in the rainbow krib, Pelviachromis pulcher, a bi-parental and territorial West African cichlid. Individual boldness was assumed to indicate parental quality because it affects parental defence behaviour. For all males and females, boldness was assessed twice as the activity under simulated predation risk. Mate choice trials were conducted in two steps. First, we let a male observe two females expressing their boldness. Then, the male could choose between these two females in a standard mate choice test. Results We tested for a male preference for behavioural (dis-)similarity vs. a directional preference for boldness but our data support the absence of effects of male and/or female boldness (level and consistency) on male mating preference. Discussion Our results suggest female personality differences in boldness may not be selected for via male mate choice.

The better, the choosier: a meta-analysis on inter-individual variation of male mate choice

2021 ◽  
Author(s):  
Pietro Pollo ◽  
Shinichi Nakagawa ◽  
Michael M. Kasumovic
Keyword(s):  
Mate Choice ◽  
Individual Variation ◽  
Meta Analysis ◽  
Empirical Studies ◽  
Male Mating ◽  
Male Mate Choice ◽  
Male Body ◽  
Male Quality ◽  
Medium Quality ◽  
Male Mate

Male mate choice occurs in several animal species, but we know little about the factors that influence the expression of this behaviour. Males vary in their capacity to acquire mates (i.e. male quality), which could be crucial to male mate choice expression but it is often overlooked. Using a meta-analytical approach, we explore inter-individual variation in the expression of male mate choice by comparing the mating investment of males of different qualities and phenotypes to high- and low-quality females. We used two datasets that together contained information from 60 empirical studies, comprising 52 species. We found that males of all qualities and phenotypes prefer high-quality females, but differ in the strength of such preference. High- and medium-quality males are choosier than low-quality males. Similarly, males that are larger or in greater body condition are choosier than their counterparts. In contrast, male body mass and age are not associated with changes in male mate choice. We also show that experimental design may influence our understanding of male mating investment patterns, which may limit the generalization of our findings. Nonetheless, we argue that male quality may be an important feature in the expression of male mate choice.

Sign in / Sign up

Export Citation Format

Share Document