Category: Open Ocean

Underwater Fact 145

Cownose Rays are known to take on long migrations in schools of thousands of individuals, moving northwards in late Spring and southwards in late Autumn. It is believed that this migration is initiated by the orientation of the sun and by water temperature.

 01-Cownose Rays migration, Gulf of MexicoCownose Rays migration, Gulf of Mexico   © Sandra Critelli

Cownose Rays can be recognised by their unusual bi-lobed head. Under the snout are two large fleshy lobes. These are often mistaken as the entrance to the mouth. The mouth however, is on the underside the fish.

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Underwater Fact 144

Unlike most other whales, the beluga has a flexible neck that enables it to turn its head in all directions.

BelugaWhalesBeluga Whale   © Clifton Hill

Belugas are also called white whales, and their unusual colour makes them one of the most familiar and easily distinguishable of all the whales. Calves are born grey or even brown and only fade to white as they become sexually mature around five years of age.

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Underwater Fact 142

Manta rays have the largest brain to body weight ratio of any living fish.

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Underwater Fact 141

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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Underwater Fact 138

Larval Clownfish are able to smell their predators.

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Underwater Fact 137

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.

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Underwater Fact 136

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.

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Underwater Fact 135

Turritopsis Nutricula is a species of Jellyfish that can age backwards.

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Underwater Fact 132

The Christmas Frigatebird is a highly endangered species of sea bird that only breeds on Christmas Island in the Indian Ocean.

Male Christmas Frigatebird   © Save Nature Save Human

Male Christmas Frigatebirds begin their mating displays in late December, inflating their scarlet throat pouches during courtship.

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Underwater Fact 127

Most migratory sharks need to move to keep breathing, but the white-tip reef shark uses an ancient technique to rest during the day and save energy for hunting at night.

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