Despite intensive research, much about the American eel’s lifecycle remains unknown. What we do know is that these eels spend ...

Despite not having bones, sharks can grow pretty large. There’s the aforementioned whale shark, roughly the size of a bowling ...

Pacific spiny lumpsuckers' tiny, plump bodies and adorable appearance make them essentially wild kawaii. They are awkward swimmers, so to avoid being swept off by currents in their coastal homes, ...

That's because, like our teeth, those of the Pacific spiny lumpsucker are made from enamel. The disc also emits a green and yellow glow — though the reasons for this are not known.

The First Teeth Grew on the Skin of 460-Million-Year-Old Fish and Were Never Meant for Chewing. Teeth may have started as ancient sensory tools, not tools for eating. by Tibi Puiu.

These were not teeth but sensory tools. They helped the fish react to their surroundings – similar to how modern animals use skin or antennae. First vertebrate teeth. Some fossil teeth from even ...

Teeth likely originated from odontodes, hard structures on early fish that initially served as sensory organs rather than for chewing. These structures transmitted sensations to nerves, aiding ...

Nervy human teeth arose from ancient armored fish scales The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ancient armored fish.

The most astonishing feature of the sheepshead fish is its teeth, which closely resemble those of humans. The fish’s front teeth are flat and broad, suited for grasping and biting, much like a human’s ...

A new study reveals that the sensitivity of teeth, which makes them zing in a dentist's chair or ache after biting into something cold, can be traced back to the exoskeletons of ancient, armored fish.

“This shows us that ‘teeth’ can also be sensory even when they're not in the mouth,” Haridy said. “So there's sensitive armor in these fish, there's sensitive armor in these arthropods. This explains ...

Teeth evolved from sensory organs in ancient fish, not for chewing. Odontodes, the precursors to teeth, appeared on fish armor 500 million years ago Modern fish exhibit nerve sensitivity in ...