Populations of squaretail grouper face an uncertain future as new research shows fishing that targets their spawning sites is causing males to be repeatedly scared away from their territories during their short mating meetups.
Plants & Animals
Aug 6, 2024
0
150
If you've ever watched a natural history program on TV, you've probably seen animals performing a wide variety of behaviors to get the attention of the opposite sex.
Plants & Animals
Jan 8, 2024
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18
For the second time in three years, a rare and otherworldly looking black anglerfish was found at Newport Beach's Crystal Cove State Park, showing up on Friday the 13th with its gaping mouth, jagged, translucent teeth and ...
Plants & Animals
Oct 23, 2023
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1
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 freshwater fish, have found similar ...
Ecology
Oct 16, 2023
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38
In humans and other animals, sex is usually determined by a single gene. However, there are claims that in some species, such as platyfish, it takes a whole "parliament" of genes acting together to determine whether offspring ...
Plants & Animals
Apr 21, 2023
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54
Only males among the fish species crucian carp have developed a strategy to protect themselves from hungry predators, according to a new study from Lund University in Sweden published in the journal Evolution. The explanation ...
Plants & Animals
Jan 24, 2023
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3
It's easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males and females can be so striking. But the more scientists learn about wildlife, the clearer it ...
Plants & Animals
Sep 28, 2022
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3
A team of researchers at Charles Darwin University, in Australia, has found that male fish that mouth-brood are not always guaranteeing that the eggs they carry were fertilized by them. In their paper published in the journal ...
Why would having two sets of sex chromosomes instead of one benefit a particular species? In the case of one African cichlid fish, the answer may be as variable as the traits that their offspring display.
Plants & Animals
Apr 14, 2022
0
144
For Atlantic salmon, size matters when it comes to love. Larger males and females that may spend up to four years at sea produce many more babies, but they are very rare compared to younger fish.
Plants & Animals
Jun 23, 2020
0
4
