In this study, we examined the relative importance of male olfactory and visual cues on female preference in the guppy Poecilia reticulata . We used digitally modified male images to standardize visual stimuli. We found that, regardless of whether females were presented without male visual stimuli ...
rounded bodies compared with the males'. Look closely at their undersides. A female has a dark spot, known as the gravid spot, by her triangular anal fin. The spot gets darker the closer she is to giving birth. The male’s anal fin, called a go...
Why is '-ed' sometimes pronounced at the end of a word? Popular in Wordplay See All Top 12 Sophisticated Compliments Word of the Year 2024 | Polarization Terroir, Oenophile, & Magnum: Ten Words About Wine 8 Words for Lesser-Known Musical Instruments ...
The differences between male and female guppies are their size, shape, color, tail length, dorsal fin shape anal fin shape, and presence of gravid spot. What are the key differences between Endlers and guppies? The key differences between Endlers and guppies include size, body shape, color, ...
• Female mating with this male will give her offspring a better genes (e.g. immune system) • In addition, the her sons will also be more attractive to other females • Ultimately, leading to a greater propagation of her genes ...
Male pr??dation risk determines female preference in the Trinidad guppy. Nature, 329, 831-833The 'runaway process of sexual selection' explains the evolution of extreme sexual behaviours and adornments and... F Breden,G Stoner 被引量: 128发表: 1987年 Female behaviour mediates male courtship ...
Fig. 1.. Guppies (female left, male right) and one of the orange fruits (Clusia sp.) that they feed on in Trinidad. The graph below the photographs shows reflectance spectra of the orange aril of the fruit and an orange spot of a male guppy. In one of the earliest specific versions...
Male and female WT (C57BL/6J) and (DAT)::IRES-Cre knockin mice (JAX006660) were obtained from The Jackson Laboratory and crossed in house. Only heterozygote transgenic mice, obtained by backcrossing to C57BL/6 J wildtypes, were used for experiments. Adult mice at least 10 weeks of age...
Female guppies actively prefer to associ- ate with others of a similar size and those with which they have previously associated (Croft, 2003). Shoaling with kin in this context is likely to increase survival rate when facing high predation pressure because of the opportunity for sharing risks ...
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