The very rare animals that reproduce asexually—only about one in 1,000 of all living vertebrate species—are thought to be at an evolutionary disadvantage compared with their sexually reproduced ...
Polar fish experience lower mortality than tropical fish, allowing them to delay reproduction until later in life when they are larger and can produce more eggs, according to a study by Mariana ...
A DNA probing technique clarifies the mechanism behind clonal reproduction of female dojo loach fish, also providing insight into the ancestral origin of the clonal population. A DNA probing technique ...
Atrazine, one of the most commonly used herbicides in the world, has been shown to affect reproduction of fish, according to a new study. Atrazine, one of the most commonly used herbicides in the ...
The ability of fish to breed has been drastically affected, a study reveals, by 'gender bending' chemicals which are washed into rivers and oceans as a result of human activities. The ability of fish ...
In 1981, scientists discovered that female fish exposed to high temperatures developed testes instead of ovaries. Since then, over 1,100 studies on different animal species, including 400 on ...
A DNA probing technique clarifies the mechanism behind clonal reproduction of female dojo loach fish, also providing insight into the ancestral origin of the clonal population. Hokkaido University ...
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