When the top spotty fish in a tank disappears, the runner-up turns aggressive within minutes, rushing and nipping rivals ...

Imagine tracing your family tree not just to distant ancestors, but to creatures that once swam in primordial seas and hopped along muddy riverbanks. The connection is more than poetic—it’s written in ...

A Smithsonian scientist and other researchers announce success in the first-ever cryo-preservation of zebrafish embryos using gold nanotechnology and lasers. Wikimedia Commons/ Oregon State ...

Their hearts, eyes and nervous systems developed through at least the next 28 hours — and they started to wiggle. As more fish populations shrink and become threatened, the researchers say the ...

Dr. Matan Golan of the Hebrew University of Jerusalem and the Agricultural Research Organization—Volcani Institute led a team of researchers who uncovered how fish embryos determine the ideal ...

Are recycled bottles safe? A study suggests chemical mixtures in recycled plastics might affect metabolism and hormone ...

Fish out of water: How killifish embryos adapted their development. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2024 / 06 / 240606152359.htm ...

Spawning fish and embryos are far more vulnerable to Earth's warming waters than fish in other life stages, according to a new study, which uniquely relates fish physiological tolerance to ...

How to cryopreserve fish embryos, bring them back to life. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2017 / 07 / 170713155024.htm. American Chemical Society.

Rainbowfish embryos, as young as only four days after fertilisation, are able to smell potential predatory threats, a new study by Australian researchers has found.

Increasingly warm water temperatures brought on by climate change are likely to hit spawning fish and embryos harder than during other times in their life cycle, leaving them more vulnerable to ...