Some electric fish in Africa have different communication patterns and won't mate with each other, although their DNA is the same, find Cornell scientists. They think the fish are living examples of a ...

Researchers have discovered a rare example of 'great fish parenting' with a common coral reef species found to actively protect their young by eating parasites. Researchers have discovered a rare ...

Small fish that rub their bodies against great white sharks could be exfoliating their skin and trying to remove parasites, researchers say. The risky behavior exhibited by the fish could play a ...

In nature, species will sometimes form unexpectedly close bonds and work to their mutual benefit. Symbiotic relationships are the close associations formed between pairs of species. They come in a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This is the third time that scientists have found an unfertilized egg-laying fish with developing ...

Out of the approximately 3 billion letters of DNA that make up your genome, there are about a 100 letters that neither of your parents possess. These are your own personal mutations. The machinery ...

Huge numbers of Antarctic fish have been found with tumors over their bodies. According to research published in the journal iScience, these tumors are caused by a parasitic infection, the effects of ...

Fatty fish rich in omega-3 fatty acids, like salmon and anchovies, are most beneficial to heart health. But you may want to limit or avoid fish high in mercury. Experts often recommend fish as a heart ...