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 ...

In times of desperation, female sawtooth sharks have been known to reproduce sans males. For other species, solo reproduction is downright vanilla. blickwinkel / Alamy When it comes to getting ...

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 ...

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 ...