Interesting Marine Facts
A collection of facts from Pebblesbysea:
- Dolphins make different types of underwater sounds. The three well-known sounds are their whistles, clicks, and burst pulses.
- The amount of fish harvested in the world is more than that of cattle, sheep, poultry or eggs.
- The biggest source of protein in the whole world is fish.
- There are 33 species of pinnipeds (meaning “wing-” or “fin-footed”) which consists of 13 true seals, 14 eared seals (sea lions and fur seals), and 1 walrus. In the scientific community, there are many debates concerning the ancestry of eared and true seals.
- Some scientists believe that eared seals and walruses may have evolved 30 million years ago from bear-like creatures in the North Pacific, and that seals evolved from otter-like carnivores in the North Atlantic.
- Blood vessels of blue whale are as big as a small car.
- Swimming speed of penguins can be as much as 90 KMPH.
- Horseshoe crabs have not changed their form for nearly 135 million years.
- Turtles are older than the age of reptiles when their ancestors shared the world with dinosaurs. Turtles are cold blooded and live only in the warmer parts of the world. Unlike tortoises marine turtles have flatter and lighter shell and they use front and rear flippers for swimming.
- A great white shark can live as long as three months without eating anything.
- Sea turtles when resting can remain underwater without breathing for as long as 2 hours. Otherwise they need to come to the surface every few minutes.
- Sharks are omnivorous, they eat both meat and vegetation. If there is not an abundant supply of meat, they will eat sea vegetation. The largest shark the Whale Shark is mainly a plankton feeder.
- Sharks do not have bones. They are made up of cartilage, and are called Elasmobranches, which means fish made of cartilaginous tissues. Even though they do not have bones they still can fossilize.
We are adding more facts so keep visiting.
Interesting facts…waiting for more..
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