A piranha-like fish with a mouth full of pointed teeth (some even in the mouth of the roof) fainted once…
A piranha-like fish with a mouth full of pointed teeth (some even in the mouth of the roof) fainted once in the Jurassic Sea, ripped the meat or even fins from other aquatic bodies.
It was 1
52 million years ago revealed a new study of a fossil of the commodity in Germany. At that time, pterodactyls flew in skies and stegosaurs and brontosaurs walked the earth. The scientists discovered the sample in 2016 in the same limestone deposits in the southern German countryside, which gave fossils of Archeopteryx long regarded as the first known bird.
Back when this fish lived, the area where the mushroom “was occupied by a shallow tropical sea dotted with small sunny islands, covered by an probably sparse vegetation of snakes and bicycles that exotic animals lived on – many insects, lizards, small dinosaurs and early bird Archeopteryx says study director Martina Kölbl-Ebert, a vertebrate paleontologist and director of the Jura Museum in Eichstätt, Germany, to Live Science. “In the sea there were sponges and small coral reefs. There were many invertebrate species, such as crustaceans, but also many different fish and marine reptiles. “[Photos: The Freakiest-Looking Fish]
After the researchers released the 2.8 inches long (7.1 centimeter) fossil from their rocky prison using scalpel , needles and a microscope, they discovered that they had long pointed teeth in front of both the upper and lower jaws. These teeth also appeared on the outside of the vagina, a leg that formed the mouth. In addition, triangular teeth extend with serrated edges from the legs lying down the underside of the lower jaw.
The fossil of the new piranha fish shows its pointed teeth which probably helped it to feed on the tab of other fish in Jura.
Credit: M. Ebert and T. Nohl
The pattern and shape of the teeth and jaws suggest that this fish was equipped to cut meat or fins in a striking manner like modern piranhas, said the study. The researchers are called this fish Piranhamesodon pinnatomus with Piranhamesodon with reference to its piracy-like nature and pinnatomus which means “fine cutter”.
Even paleontologists discovered fossils of fish like Piranhamesodon may have hunted;
“This is a fantastic parallel to modern piranhas, which mainly does not live in flesh but [on] other fishermen’s fins,” co-author David Bellwood studies at James Cook University in Australia said in a statement. “It’s a remarkably smart move, like the regrow of [making them]a nice renewable resource. Feed on a fish, and it’s dead, nibble its fins, and you have food for the future.”
Previous legfish – fish whose skeleton is made of bones – was not known to bite pieces of meat or fins from prey to a much later period on the evolutionary timeline, Kölbl-Ebert said. Instead, they either thought they would crush on invertebrates or swallow their prey all the way. (Hajar was long known for biting pieces of meat from prey but their skeletons are made of cartilage, not bone.)
“The new [found] fish is a most interesting example of convergence development, and develops one – for bonefish then – brand new way of living, “said Kölbl-Ebert. “The fish represents the earliest record of fine fodder fish.” (Convergent development is when two different animals develop similarly to solve similar problems, such as how dolphins and ancient marine reptiles called ichthyosaurs had similar body forms that help them swim swiftly in the water.)
Piranhamesodon belongs to a group of fish called pyknodontider. “Normally, all fish in this fish group have grabbed teeth in the front and back teeth, suitable for crushing marine snails, sea drills or other shelly organisms,” says Kölbl-Ebert. “But this had rags and scissors in the mouth. It was a real wolf in sheepskin. “
This discovery” highlights the fine evolutionary flexibility of fish, “said Kölbl-Ebert.” If a fish with highly specialized crushing teeth can develop highly specialized cutting teeth, what’s next? It is a staggering example of evolutionary versatility and opportunism. “
The fossil is now displayed at the Jura Museum in Germany. The researchers presented their findings online on October 18th in the journal Current Biology.
Originally published on Live Science.