Elements
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DID YOU KNOW THAT...
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...there is an ongoing research programme at the Oceanogràfic on beluga bioacustics?
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...are very caring with their companions? They rarely abandon them when they are injured or sick.
...can last 20 minutes without breathing when they are relaxed?
Did you know that to locate their prey they use a system similar to radar known as echolocation?
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Did you know that loggerhead turtles are called tortugas bobas (silly turtles) in Spanish because seamen used to capture them so easily?
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... that its scientific name (Rhinobatos rhinobatos) means nose-shaped ray?
... and that it belongs to the same group as sharks?
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...it uses its saw-shaped scout to detect food buried in the sand?
... and that the teeth of the saw are its own teeth and that they fall out and grow again throughout the fish¿s life?
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...that they are called Moon Fish (pez luna) in Spanish because they are often confused with the reflection of the moon?
...it is in the Guinness Book of Records because it can lay up to 300 million eggs?
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...the grouper changes sex as it reaches maturity?
In this species we can therefore observe the sexual transformation of females into males
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...and that when they are afraid they bend their bodies into an S shape?
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... that they are also known as gata (cat) in some parts of Spain?
This is because they have two filaments in the nasal orifices reminiscent of those of felines.
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... and did you know that it has developed sense organs that allow it to detect the slightest vibration, the slightest electric impulse, and the smallest drop of blood?
...and did you know that young bull sharks eat each other inside their mother¿s womb?
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...walruses have 8 cm of fat under their skin to protect them from the cold?
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...they have no scales and their bodies are covered by a kind of mucus that protects them from parasites and infections?
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...the males guard the eggs until they hatch?
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...the puffer fish has been given this name because it has the ability to swell up with water or air when it is attacked or frightened to several times its normal size?
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... the image we have of seals playing with a ball is really that of sea lions?
Seals cannot stand up straight because their front fins are very short.
... sea lions also differ from seals in that the latter have no external ears?
Did you know that males can weigh up to 300 kg?
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...they splash on the surface of the water when they want to attract attention or to show they are angry?
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...penguins moult once or even twice a year?
...and did you know that Humboldt penguins are threatened by the destruction of their habitat and by a lack of food?
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...they are often confused with plants because of their pretty colours and because they stick to rocks?
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...it has no pectoral fins and that its bite is quite dangerous?
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...they can twist their small tails and use them to hold on to objects such as plants or seaweed?
...and did you know that male sea horses give birth to their young?
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...most jellyfish can segregate a stinging poison with which they paralyse their prey?
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The reason is that these animals have the capacity to regenerate damaged tissue, which means that if an arm is divided into two each of the halves grows into a complete arm.
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It holds two important records: the first refers to its size as it is the largest starfish and can grow to 75 cm long, and the second to its speed as it can travel faster than 70 cm per minute.
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In one of them it penetrates Japanese forests to terrorise the population.
...despite its science-fiction monster appearance it is not at all dangerous to humans?
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...is often referred to as a living fossil?
This is because it has hardly changed for a period of over 300 million years.
...that these surprising animals have 10 eyes and that their blood is blue?
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...although they are good swimmers they can often be seen walking on the sea bottom supported by their extraordinary fins?
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...the Egyptians drew a flamingo¿s silhouette to represent the word ¿red"?
...and that our pink colour comes from the food we eat?
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...they acquire this pretty bright red colour as they become adults? Juveniles are dark brown in colour and change to red thanks to the pigments in the crustaceans they feed on.
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...its name is due to the unusual shape of its bill?
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...to find its food it dives to the bottom of the lakes and pools where it lives?
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...it usually fishes by walking along the bank stamping heavily in order to flush up anything hiding on the bottom?
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