And behind them, inside the fish, are “an array of bipartite bars.” Instead of continuous slits supported by a single structure, this fish had pairs of gills supported by pairs of bones.

It turns out the human ear got off to a fishy start. Literally. A fascinating new study reveals that the mammalian outer ear has its evolutionary roots in the gills of ancient fish. This surprising ...

Thus, as fish get bigger, they have less gill surface area and their gills provide less oxygen per unit volume or weight," said Dr. Daniel Pauly, lead author of the study and principal ...

The fossilized fish, called Metaspriggina, sports characteristic gill structures that later evolved into jawbones in jawed vertebrates, according to a new study.

Janvier's team found one specimen of the 370-million-year-old fish had a total of 30 gill pouches, compared to seven in lampreys.

Scientifically Speaking: How fish gill genes helped create your ears By Anirban Mahapatra Published on: Mar 07, 2025 10:50 am IST ...

Exposure of clownfish larvae to suspended sediment levels found on the Great Barrier Reef: Impacts on gill structure and microbiome. Scientific Reports, 2015 (in press) ...

Until 15 years ago, we thought that most filter-feeding fish used oral structures called gill rakers in the same way that we use coffee filters or spaghetti strainers.

The fossilized fish, called Metaspriggina, sports characteristic gill structures that later evolved into jawbones in jawed vertebrates, according to a new study.