Science & Technology

Pound-for-Pound, Megapiranha Out Bites T. Rex

Credit score: Steve Huskey

Megapiranha is an extinct genus of serrasalmid characin fish that lived 8 to 10 million years in the past, within the Late Miocene. It’s estimated to have reached lengths of as much as 1.3 meters, which is about 4 occasions the scale of piranha alive at this time. These estimates are primarily based upon fossil specimens which were found.

Based mostly on discipline research carried out on the black piranha (Serrasalmus rhombeus), the biggest residing species within the carnivorous clan, Megapiranha could have had a stronger chew than alligators, sharks and even Tyrannosaurus rex. The most important of the 15 fish examined weighed 1.1 kg and measured 37 cm in size. It might clamp down on researchers’ gear with a power of 30 occasions its personal weight, a ratio which is unmatched amongst vertebrates. The scientists revealed their findings within the journal Scientific Stories¹.

Megapiranha paranensis, which might have reached lengths of as much as 1.3 meters and weighed as much as 73 kilograms, might have had a jaw tip chew power as excessive as 484 kilograms. Earlier research had proven that T. rex‘s chew power was about 3 times that of M. paranensis. Nevertheless, T. rex is greater than 100 occasions heavier than M. paranensis. Scaling right down to measurement, M. paranensis has a stronger chew. Additionally they had enamel fringed with tiny serrations, with stout round rout, permitting them to slice by way of flesh, crush the shells of turtles, and pierce the armor plates of catfish that lived in the identical ecosystem.

References

[via ScienceNOW]

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