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Did you know there are more than 450 known species of sharks?

During a recent Sharks Up-Close Tour at SeaWorld Orlando, Zach Reisig, an instructor in the park’s education department, shared this and other information about these fish and their exhibit.

There are about 15 sharks in the tank at the end of the Shark Encounter attraction.

The shark exhibit is filled with over 700,000 gallons of 50-degree salt water.

SeaWorld Orlando’s sharks have a tattoo on their fin that identifies each one. Females are tattooed on the left side and males on the right.

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Some sharks only eat 8-12 pounds of food a week.

The tapetum lucidum is a mirror lens in shark’s eye that helps it gather light so it can see more clearly.

The biggest shark is the whale shark, which is a filter feeder.

Sharks have a sixth sense called electroreception, thanks to pores around their faces that detect the electrical currents.

The Mako Mural was painted by Guy Harvey.