Why Don’t Sharks Have Bones?

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Aug 142014
 

In honor of Shark Week…

Enjoy!

SciShow host Hank Green celebrates Shark Week with a quick tour of the shark’s fascinating anatomy. Green goes into great detail as he explains how sharks are made up of cartilage instead of bone, which makes them lighter and more flexible.

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Florida Fisherman Catches 18 Foot Goblin Shark

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May 062014
 

You might need to do a double-take when you see what a Florida fisherman caught.

Florida fisherman catches 18 foot goblin shark 2

Photo by Carl Moore

Last week, commercial fisherman Carl Moore was fishing for royal red shrimp off the coast of Key West Florida. When he pulled up a net from more than 2,000 feet, Moore had caught something other than just shrimp. In his net was an unusual looking enormous fish—a goblin shark more than 18 feet long. As Moore reported to the NOAA scientist he reported his catch to, “it was uglier than a mother-in-law.”

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Florida fisherman catches 18 foot goblin shark

Photo by Carl Moore

The goblin shark, discovered in the late 19th century, was named for its “creepy” appearance. Its long, flat snout works like a metal detector.

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Joke Of The Day: Fending Off A Shark Attack

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Apr 262014
 
Rubber Chicken Marine biology researchers have developed a new method to fend off shark attacks.

If you are diving and are approached by a shark they recommend that you swim towards it aggressively and punch it in the nose as hard as possible.

If this doesn’t work, beat the shark with your stump.

 

 

What’s Inside The Stomach Of A Mako Shark?

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Aug 112013
 

What’s Inside The Stomach Of A Mako Shark?

Have you ever wanted to know the contents of a shark’s stomach?

Psst, hey kid. You wanna see some clips from the dissection of one of the largest mako sharks ever caught? Sure you do.

This NOAA video has amazing footage of the shark’s stomach — so big it fills a tall Rubbermaid tub — and the even more amazing footage of scientists lifting an almost completely intact sea lion head out said shark’s stomach.

What’s the benefit? Studying the stuff in a shark’s stomach helps us understand how different species are interrelated — which helps scientists figure out how to better manage the conservation of whole ecosystems. Essentially, write the good folks at Smithsonian.com, this is an example of scientists making valuable use out of a not-exactly-ideal situation. The shark was legally caught and killed by fishermen filming a scene for a reality TV show.

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