Manta rays have the largest brain to body weight ratio of any living fish.
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Bottlenose Dolphins give each other names by calling out to each other in individual whistling tunes.
Bottlenose Dolphin © Flip Nicklin
Out in the pristine waters of Sarasota bay in Florida, scientists from Mote Marine Lab have spent the past thirty years studying the local residents – Bottlenose Dolphins.
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It is a common known fact that noise travels about five times more quickly in the sea. But did you know that there are conditions where sound can travel similar to light in a fiber-optic cable?
In early 2014 researchers have recorded a Cuvier’s Beaked Whale diving for over two hours into the depths of just under 3000 meters (nearly two miles) below the ocean surface, which represents both the deepest and the longest dive ever documented for any marine mammal.
Cephalopods are incredibly evolved creatures: The Giant Squid has three hearts that pump blue blood. Food travels through its brain before reaching the stomach and they utilise floating bones to detect gravitation for orientation in the dark.
Turritopsis Nutricula is a species of Jellyfish that can age backwards.
Seahorses have a 90 percent success rate when attacking prey, which makes them one of the most successful predators in the ocean.
Sand Tiger Sharks are the only sharks known to come to the surface and gulp air. They store the air in their stomachs, which allows them to float motionless in the water while hunting.
Sand Tiger Shark © Mark Fox
This Shark is not related to the Tiger Shark (Galeocerdo cuvier) however, it is a cousin of the Great White Shark (Carcharodon carcharias).
Despite its fearsome appearance and strong swimming ability, it is a relatively docile and slow-moving shark that will only attack a human when threatened.