As female wrasse transitioned to a male, these tags were removed and reorganized, almost as if the fish was being reprogrammed. "They're sort of poised and ready to go either direction" like a ...

Scientists have found that male cleaner fish will punish their female partners if they do something that offends the larger client fish they are cleaning. This "third-party punishment" is ...

Tuna, a low glycemic index (GI) food, is rich in selenium, niacin, Vitamin (B12, B6), protein. It prevents wrinkles, stroke and supports bone, heart. Fish Health Benefits Fish: The Best and The Worst ...

The abnormal male fish were found to be carrying abnormally large eggs. “The eggs are typically only seen microscopically but here at this site we can actually see the eggs visually with our ...

According to a study published in the journal Biology Letters on June 20, female zebrafish can select the best quality sperm using their female reproduction fluid (FRF)—the fluid that surrounds ...

When male fish turn female! Pollutants acting as oestrogens are responsible for this phenomenon which, among other changes, is causing ovocytes-immature ova-to appear in male fish, biologists claimed.

Blue Planet II viewers were left completely stunned when a 'transgender' fish was featured on the programme. Sir David Attenborough provided his standardly-exquisite narration as a female fish ...

Now these chemicals mimic the female hormone estrogen. So the bird that ate these chemicals, the male birds, suddenly got high voices. MARTIN: Oh. STEWART: And started singing a lot more sweetly.

Ōtākou Whakaihu Waka scientists have discovered that it takes mere minutes for a species of sex-changing fish to develop dominant behavior after a change in the pecking order. The new study led by the ...

The female will deposit eggs outside of the body, usually near the bottom of a body of water or in a nest built out of rocks and other sediment. The male fish will then swim over the eggs and ...