Blacktip Sharks Documentary

 In Marine Life, Renee's Journal, Travel, Videos

Blacktip sharks, they’re one of ocean’s most fascinating predators. With a streamlined shape, terrifying teeth, and forceful fins – the blacktip shark is designed for predatory excellence.

The fins of the shark have black tips, hence their famed name. They generally prefer shallow water and can often be seen swimming close to shore with its dorsal fin poking up through the waves.

Being about 1-1/2 meters in length, and streamlined to perfection, the blacktip shark is a compact triumph of nature’s design. Their robust, torpedo shaped body equips them to rifle through the water at tremendous speeds.

In addition to its physical build, the skin of the Blacktip shark is composed of dermal denticles, backward facing, tiny tooth-like scales that cover a shark’s body, this helps the shark swim faster and more efficiently by reducing water resistance. Make no mistake, this is an animal built for speed.

The blacktip shark has countershading coloring, with a dark grey colored back, and a light colored belly. This is so when viewed from below, the shark blends in with the brightness of the sunny waters above. And when viewed from above the shark blends in with the dark ocean bottom. This countershading, camouflages the shark, allowing it to sneak up on unsuspecting prey.

The bulk of the blacktip’s speed comes from the tail fin with provides it initial thrust by swaying back and forth, pushing the water and propelling the shark forward.

Large pectoral side fins provide the lift needed for the shark to continue moving at a steady pace and counter gravity lifting force which assists the shark in maintaining depth. The blacktip shark’s ironically-tipped dorsal fin helps the animal steer itself. And together with the pectoral fins, it also helps provide the shark stability in the water.

The jaws of the Blacktip shark are filled with some of nature’s deadliest teeth, triangular in shape, with an extremely sharp point and serrated edges, perfect for tearing through flesh and make light work of even the toughest catch.

Equipped with sensitive smell receptors, lateral line receptors which sense movement in the water and electroreceptors, which detect electrical fields of prey, blacktips silently trail their target.

Their oval shaped eyes, adapt quickly to low light levels, making it easy to focus on the moving prey, and when ready they dart at sudden speed, piercing the flesh with their elongated teeth.

This extremely fast, energetic predator, eats breakfast but is more active at night, hunting in groups of varying size or alone.

Blacktip sharks are usually curious towards divers and swimmers but often remain at a safe distance. They are shy and tend to swim away rather than to attack people. Under most circumstances, this timid shark is not regarded as highly dangerous to humans but it may become aggressive in the presence of food, and their size and speed invite respect.

Interestingly enough, blacktip sharks are the one of the only shark species that must swim constantly with their mouths open. This allows oxygen-rich water to flow over the gills or breathing structures, located in five separate slits on each side of the head. Since sharks don’t have a swim bladder like bony fish, they’ll sink to the bottom of the sea if they stop swimming.

Blacktip Sharks, with streamlined design of perfection, countershading camouflage, powerful fins, ferocious teeth, and various receptors, every biological detail combines to make them a truly inspiring predator.

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