Tech & Science Dinosaur-Era Shark Found In Portugal

16:53  12 november  2017
16:53  12 november  2017 Source:   Newsweek

Rare 'dinosaur age' shark found in Portugal

  Rare 'dinosaur age' shark found in Portugal An ancient and rare frilled shark has been found alive off the coast of Portugal, puzzling researchers over its survival. The rare fish was pulled aboard a trawler by scientists who were working on a European Union project on commercial fishing, the BBC reports.Institute for the Sea and Atmosphere officials have labelled the sea creature a “living fossil”, claiming its existence dates back 80 million years.The male shark, which measured 1.5m, was caught near the resort of Portimao.Little is known about the shark other than it has 300 teeth and has a snake-like body.

Dinosaur - Era Shark Found In Portugal . The rare frilled shark is considered a “living fossil,” as its makeup has remained unchanged for 80 million years. This summer, researchers found one alive and thriving off the coast of Portugal , adding evidence regarding the resilience of this ancient sea

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a bird swimming in water© Provided by IBT Media The rare frilled shark is considered a “living fossil,” as its makeup has remained unchanged for 80 million years. This summer, researchers found one alive and thriving off the coast of Portugal, adding evidence regarding the resilience of this ancient sea creature.

The shark was discovered off the Algarve coast by researchers who were working on a European Union project in the area, the BBC reported. The aim of the project was to "minimize unwanted catches in commercial fishing," but the team unknowingly unearthed one of the rarest and most ancient animals on the planet.

The frilled shark has remained the same, both inside and out, since the time of the dinosaurs, with scientists dating it back to the Cretaceous Period, a time when the Tyrannosaurus Rex and Triceratops still roamed the planet. The creature is incredibly simply and unevolved, most likely due to the lack of nutrients found in its deep-sea dwellings, a previous Japanese study on the shark suggested. The examination revealed that its diet is 61 percent cephalopods—the same class that squids and octopus belong to.

Dinosaur-Era Shark Found In Portugal

  Dinosaur-Era Shark Found In Portugal The ancient frilled shark once lived alongside the T-Rex, and has remained evolutionarily unchanged for 80 million years. This summer, researchers found one alive and thriving off the coast of Portugal, adding evidence regarding the resilience of this ancient sea creature.The shark was discovered off the Algarve coast by researchers who were working on a European Union project in the area, the BBC reported. The aim of the project was to "minimize unwanted catches in commercial fishing," but the team unknowingly unearthed one of the rarest and most ancient animals on the planet.

This summer, researchers found one alive and thriving off the coast of Portugal , adding evidence regarding the resilience of this ancient sea creature. The frilled shark has remained the same, both inside and out, since the time of the dinosaurs , with scientists dating it back to the Cretaceous Period

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This deep sea dweller is usually found between 390 and 4,200 feet below the surface, which is why it’s rarely seen and wasn’t even discovered before the 19th century (despite being around long before man).

The shark caught this summer measured around five feet in length, but at their longest can be around six-and-a-half feet, IFL Science reported. The Japanese study on these rare sharks showed that they may also have the longest gestation period of any living creature, 42 months.

While its name may sound unfitting for a beast that swims the deep seas, according to Mental Floss, the frilled shark is named after its gills. Pretty much all other sharks have separate gills, but the frilled shark’s first pair of gills stretch all the way across its throat. In total, the shark has six pairs of gills that have “frilly” edges.

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an animal swimming in the water© Provided by IBT Media

The shark also has a unique mouth shape. Its jaw has more than 300 teeth neatly lined in 25 rows, which, according to professor Margarida Castro of the University of the Algarve, are specifically designed to help it “to trap squid, fish and other sharks in sudden lunges,” The Portugal News reported. It’s lined with spines called dermal denticles, which, combined with the teeth, give the mouth an all around frightening look.

All in all, it’s unlikely you will ever come face-to-face with a living frilled shark, but if you do, it’s safe to stay: Keep as far away as you can, and whatever you do, try to avoid its ferociously awesome jaw.


Sydney transport costs 'alarming': NRMA .
Sydneysiders are forking out more than $22,000 a year on transport - the highest in the nation - as residents continue to be slugged by higher fuel costs. The price of regular unleaded petrol in Sydney hit $1.41 cents per litre on Tuesday, according to CommSec Research, the highest price since October 2015, the NRMA said.The portion of the average family's budget being spent solely on travel is alarming, NRMA spokesman Peter Khoury says."Certainly if the start of this quarter is anything to go by, it's going to be a tough few weeks for motorists," he told reporters in Sydney.

Source: http://au.pressfrom.com/news/tech-and-science/-46317-dinosaur-era-shark-found-in-portugal/

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