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 ...

Contrary to what is stated in biology textbooks, the growth of fish doesn’t slow down when and because they start spawning. In fact, their growth accelerates after they reproduce, according to a new ...

New research suggests that long-term exposure to very low concentrations of chlorpyrifos, a widely used insecticide, can ...

It is slimy, mysterious, and one of Europe’s most enigmatic species: the eel. For centuries, researchers have tried to discover where and how these fish reproduce, but to this day, no one knows for ...

Pregnant fish can also get “baby brain" - just like human moms-to-be, according to a study. Pregnancy-related brain impairment is present in live-bearing fish, say scientists. Their research shows ...