(CN) — When it comes to survival, timing is everything — even for fish embryos. And according to researchers, these embryos aren’t just waiting around for the perfect moment to hatch. They’re actively ...

The annual killifish lives in regions with extreme drought. A research group now reports that the early embryogenesis of killifish diverges from that of other species. Unlike other fish, their body ...

Boston, MA - Scientists have developed an automated assay that takes the pulse of a strain of zebra-fish embryos that have fluorescent myocardia; the method can be used to monitor zebra-fish embryo ...

New research has revealed that fish embryos actively control their hatching timing through a neurohormone, Thyrotropin-Releasing Hormone (TRH), which triggers the release of enzymes that dissolve the ...

The evolutionary blueprint for hands was borrowed in part from a much older genetic plan for our nether regions, a new study ...

Zebrafish eggs contain a sunscreen called gadusol that protects the growing embryo from harmful rays. The ultraviolet rays in sunlight are damaging. To shield against this, vertebrates produce a ...

The reason we humans have fingers today may all be thanks to a fish's clacker. New research into the origins of digit ...

Now, in a new study published in Nature, scientists from the University of Geneva, EPFL, and collaborators in the U.S. have ...

Mexican tetras are a most peculiar fish species. They occur in many rivers and lakes across Mexico and southern Texas, where they look perfectly ordinary. But unlike most other fishes, tetras also ...