5 results found
    1. Ecology

    5α-cyprinol sulfate, a bile salt from fish, induces diel vertical migration in Daphnia

    Meike Anika Hahn et al.
    A fish-derived bile salt was shown to act as interspecific infochemical, inducing the widespread predator avoidance behavior diel vertical migration at picomolar concentrations in freshwater zooplankton of the genus Daphnia.
    1. Evolutionary Biology
    2. Neuroscience

    A novel acidification mechanism for greatly enhanced oxygen supply to the fish retina

    Christian Damsgaard et al.
    A novel mode of oxygen delivery facilitated the adaptive evolution of vision in teleost fishes.
    1. Evolutionary Biology

    Ancient role of sulfakinin/cholecystokinin-type signalling in inhibitory regulation of feeding processes revealed in an echinoderm

    Ana B Tinoco et al.
    Starfish feed by everting their stomach out of their mouth over prey and, interestingly, this unusual feeding mechanism is inhibited by substances similar to hormones that regulate feeding in humans.
    1. Evolutionary Biology

    Sperm competition risk drives rapid ejaculate adjustments mediated by seminal fluid

    Michael J Bartlett et al.
    Seminal fluid harbours the as yet unknown mechanism that facilitates rapid adjustment of sperm velocity in response to changing sperm competition risk.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    A K+-selective CNG channel orchestrates Ca2+ signalling in zebrafish sperm

    Sylvia Fechner et al.
    Zebrafish sperm display an unusual pathway for Ca2+ signalling.

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