Shark

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Articles about Shark

673 published items.

Dance dead
Oceanography

Dance dead

From May 5-7 every year is the migratory season of sardines. billions of children form horrifying storms in the ocean off the coast of south Africa. This dance is also t…

December 17, 2018
Galeocerdo leopard shark cuvieri
Oceanography

Galeocerdo leopard shark cuvieri

The scientific name is Galeocerdo cuvieri living in tropical and subtropical waters. The average weight is about 1.4 tons and the average is about 8m. They are considere…

December 17, 2018
Sharks are reduced in size
Oceanography

Sharks are reduced in size

Oceanographers are raising alarms about the world's largest shark species that are in danger of being reduced in size. Dr Mark Meekan of the Australian Institute of Mari…

December 17, 2018
Ugly sharks
Oceanography

Ugly sharks

Orectolobus ornatus is a slow shark that lives on the seabed. They camouflage to avoid large fish and also use camouflage to hunt. Bad fish: flat body, meat

December 17, 2018
Hammerhead sharks
Oceanography

Hammerhead sharks

The scientific name is Sphyrna mokarran, this fish has a hammer-like head. That strange rafting head is probably an adaptive way to help them detect prey more easily: wh…

December 17, 2018
The real hegemon of the ocean
Oceanography

The real hegemon of the ocean

The relationship between predators and prey is always close to each other, without one, the other cannot exist. Sharks seem to be on a mission to remove weak individuals…

December 17, 2018
Humans and sharks have the same ancestors
Archeology

Humans and sharks have the same ancestors

According to a new report published by the University of Chicago research team (USA), at 440 million years ago, a common ancestor of humans and sharks once existed on Ea…

December 17, 2018