Blacktip Reef Sharks: Built for Speed

by Holly Bourbon, Curator of Fishes

Published August 28, 2013

As some of the newest residents here at the Aquarium, our blacktip reef sharks have become a topic of fascination for both our guests and our staff.

To gear you up for the Grand Prix of Baltimore this week, we're taking a closer look at how these sharks and our other fast fish friends are built for maximum speed!

blacktip reef shark

The bulk of a shark's speed comes from the caudal (tail) fin, which provides it initial thrust by swaying back and forth, pushing water and propelling the shark forward.

The pectoral (side) fins provided the lift need for the shark to continue moving at a steady pace and counter gravity.

Finally, the blacktip reef shark’s iconically-tipped fin helps the animal steer itself. Together with the pectoral fins, it also help provide the animal stability!

In addition to its physical build, the skin of a shark helps streamline the animal's movement and augment it's speed through the water! Dermal denticles, backward facing, tiny tooth-like scales that cover a shark’s body, actually help them swim faster and more efficiently by reducing water resistance.

Watch our blacktip reef sharks in-action on our live Shark Cam

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