subject: Exciting Truths About Jellyfish [print this page] Exciting Truths About Jellyfish Exciting Truths About Jellyfish
Jellyfish is one of the most mysterious and strange deep sea creatures ever known to mankind. There are several species of jellyfish that are found all in the region of the ocean. They have no brain or other sensory organs. About its bell the jellyfish have tiny sensory organs. These sensory organs are known as 'rhopalia'. So, the jellyfish uses its rhopalia and nervous system to recognize light and odor. The jellyfish use their 'nerve net' to recognize the touch of another deep sea creature. This type of easy nervous system is found at the epidermis of the jellyfish. Some exciting information's about jellyfish are followed...
* Jellyfish can be found more than 95% water. They have spongy and fragile body, lacking a very thin structure or outer shell.
* There are several types of colors and shapes in jellyfish. They can be arena, bell or parachute-shaped.
* Jellyfish can be as tiny as a grape or as huge as a bed, depending on the exacting species they go to.
* Jellyfish use jet forward motion to make their way during to the oceans of the sea world.
* Some types of jellyfish have a lot of protein.
* Jellyfish are composed of an outer layer, known as epidermis. It covers and defends their body surface. The inner layer, called as gastrodermis, outlines the gut.
* They have no blood, no brain and no nervous system. This is the most interesting facts about jellyfish.
* Jellyfish are able to make a replica both sexually and asexually, through different parts of their life cycle.
* A set (group) of jellyfish is known as smack'.
* Jellyfish live by give food to on small protozoa, large metazoa and other tiny fish in the sea.
* Jellyfish cannot swim faster than that is compared to other type of fish.
* Jellyfish can be found in all oceans, right from the surface stage to the deep sea water.
* Jellyfish outdate dinosaurs and sharks, as it is hypothetical that they have been about for more than 650 million years.
* The Box jellyfish also called as sea wasp' types kill more human beings than any other sea creature.
* The world's largest jellyfish length can reach a diameter of 2.5 m/ 8ft and its tentacles can produce to be half the length of a football field.
* A male jellyfish let loose its sperms in water, which travels to the mouth of the female jellyfish. This process permits for the fertilization of the ova.
