Category: Coral Reef


Underwater Fact 128

Cuttlefish are known as masters of camouflage because they can change skin colours and textures in an instant to blend into the surrounding environment. They do it so well, it is almost impossible to believe that these animals themselves are colour-blind.


Kings of Camouflage   © Civil Digital

Cephalopods have huge eyes, and much of their brain is dedicated to processing visual information. They use this information to control their disguises through a dense network of nerves running from the brain to the skin.
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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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Underwater Fact 125

Razorfish (Aeoliscus strigatus) swim in a vertical position with their head down and their back facing the direction of travel. They are often found in schools that gather around coral branches and hide in the spines of sea urchins when disturbed.

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Underwater Fact 117

The Giant California Sea Cucumber uses its anus as second mouth.
Recent research has found that the Giant California Sea Cucumber (Parastichopus californicus) can use both ends of its body to feed and breathe.

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Underwater Fact 115

A species that is actually benefiting from climate change with its geographic range expanding: the Bigfin Reef Squid.

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Underwater Fact 109

Cannibalistic Cephalopods can be a real danger to each other. That’s why the common male octopus has a special “arm” for mating called a hectocotylus which is used to maintain a safe breeding distance from his partner.
But there is one species of octopus that mates in a completely different and unusual way.

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Underwater Fact 108

The Porcupine Ray is a species of stingray that does not have a venomous sting on its tail.

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Underwater Fact 105

Although it is common for male fish to play the dominant parenting role, male pregnancy is a complex process unique to the fish family Syngnathidae, which includes pipefish, seahorses and sea dragons.

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When a female Blanket Octopus is threatened, it unfurls the beautiful scarf-like webbing between its arms, making the animal appear large, intimidating and creepy to potential predators.

Blanket octopus   © Creepy Animals

Blanket Octopuses are found throughout the world’s tropical and sub-tropical oceans, from the surface to moderate depths. This unusual species is pelagic, living life out in the open ocean with no need for coasts or the sea floor.

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An invasive species of brittle star has the ability to reproduce asexually by self-division.

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