Sentence examples for sex fish from inspiring English sources
The mixed sex fish loses some energy that was supposed to be used for growth and hence resulting in lower SGR and higher FCR.
Working with the tropical freshwater fish Poecilia mexicana, researchers showed female fish video footage of small, drab-colored males "nipping" the genital openings of larger, brightly colored males an action that precedes mating in opposite-sex fish pairs.
Infection was achieved by anaesthetising each focal individual and allowing them to contact a euthanized heavily infected same-sex fish (donor) in a watch glass containing 0.02% MS222 on the stage of a stereo-microscope.
In surveys of Kenyan households conducted by Kathryn Fiorella, a graduate student who works with Brashares, a large proportion of women reported exchanging sex for fish because, they said, fish had become too scarce and expensive to secure otherwise.
While he admits it's true that such compounds have been shown to alter the physical sex of fish and frogs, "frogs and many species of fish – notably Nemo [clownfish] – can spontaneously change their sex anyway".
(More than half the women who had exchanged sex for fish were H.I.V.-positive).
Sex in fish is plastic and in several species can be influenced by environmental factors.
After sex determination, fish were terminally anesthetized with MS-222 and discarded.
Expression patterns of key sex-related genes suggest that sex-changing fish predominantly use an evolutionarily conserved genetic toolkit, but that subtle variability in the standard sex-determination regulatory network likely contributes to sexual plasticity in these fish.
Our second binary prey choice experiment tested for sex-specific fish predation by D. esakii.
