Sperm competition and fertilization mode in fishes

JL Fitzpatrick - … Transactions of the Royal Society B, 2020‏ - royalsocietypublishing.org
Sperm competition is a powerful selective force that has shaped sexual traits throughout
animal evolution. Yet, how fertilization mode (ie external versus internal fertilization) …

[HTML][HTML] Atypical centriolar composition correlates with internal fertilization in fish

K Turner, N Solanki, HO Salouha, T Avidor-Reiss - Cells, 2022‏ - mdpi.com
The sperm competition theory, as proposed by Geoff Parker, predicts that sperm evolve
through a cascade of changes. As an example, internal fertilization is followed by sperm …

Fertilization mode differentially impacts the evolution of vertebrate sperm components

AF Kahrl, RR Snook, JL Fitzpatrick - Nature Communications, 2022‏ - nature.com
Environmental change frequently drives morphological diversification, including at the
cellular level. Transitions in the environment where fertilization occurs (ie, fertilization mode) …

[HTML][HTML] Does parental experience with visual and olfactory predator cues have consequences for offspring in guppies?

F Leri, LR Stein - Animal Behaviour, 2024‏ - Elsevier
Highlights•Guppy adults were exposed to olfactory, visual or combined predator
cues.•Offspring of adults exposed to different sensory cues were raised in freshwater.•Adults …

Immediate predation risk alters the relationship between potential and realised selection on male traits in the Trinidad guppy Poecilia reticulata

A Glavaschi, S Cattelan… - Proceedings of the …, 2022‏ - royalsocietypublishing.org
Imminent predation risk affects mating behaviours in prey individuals in a multitude of ways
that can theoretically impact the strength of sexual selection, as well as its operation on …

Intraspecific variation in inhibitory motor control in guppies, Poecilia reticulata

A Macario, SK Darden, F Verbruggen… - Journal of Fish …, 2021‏ - Wiley Online Library
Inhibitory control (IC) is the ability to overcome impulsive or prepotent but ineffective
responses in favour of more appropriate behaviours. The ability to inhibit internal …

[PDF][PDF] Modulation of phenotypic traits under different rearing temperatures: experimental evidence in male guppy (Poecilia reticulata)

M Rahman, IA Pinkey, J Ferthous… - … Journal of Aquatic …, 2020‏ - researchgate.net
Climate change particularly global warming unceasingly imposes a selective pressure in
many organisms that results in phenotypic plasticity particularly by expressing different …

Behavioral Variation in the Pygmy Halfbeak Dermogenys collettei: Comparing Shoals With Contrasting Ecologies

A Devigili, E Fernlund Isaksson… - Frontiers in Ecology …, 2021‏ - frontiersin.org
Variation in biotic and abiotic factors among populations affects individual behaviors by
transforming the social landscape and sha** mating systems. Consequently, describing …

Male reproductive phenotype and coercive mating performance in the guppy Poecilia reticulata

A Glavaschi, E Morbiato, A Pilastro - bioRxiv, 2024‏ - biorxiv.org
In species with fixed alternative male mating tactics, differences between male phenotypes
associated with each tactic are well understood. By contrast, in species with fully …

[PDF][PDF] Atypical centriolar composition correlates with internal fertilization in fish. Cells. 2022; 11: 758

K Turner, N Solanki, HO Salouha, T Avidor-Reiss - 2022‏ - academia.edu
The sperm competition theory, as proposed by Geoff Parker, predicts that sperm evolve
through a cascade of changes. As an example, internal fertilization is followed by sperm …