Scientific Name
Jelly Fish
In this we discuss about the Jellyfish Habitat and its complete Anatomy . The scientific name for Jellyfish is Scyphozoa. Jellyfish are scientifically classified as
The Kingdom of Jelly Fish is Animalia, The Phylum is named Cnidaria, and the Subphylum is Medusozoa.
Types
There are more than two hundred, and 200 species of Scyphozoa, the true jellyfish, that produce medusae (reproducing cycle), but many more species that do not.
Some types of jellyfish are.
Cubozoa is also termed box jellyfish. Scyphozoa is termed a true jellyfish. Staurozoa is known as stalked jellyfish. and some Hydrozoa is called small jellyfish because of their smallest size.
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Name Jellyfish and some interesting details
The Name Jellyfish was discovered in 1796 and this name has traditionally been applied to medusae and all similar animals including the comb jellies. I also read about the jellyfish habitat and its anatomy.The term jellies or sea jellies is the recent name given by aquatic people to avoid calling them fish as they don’t have backbones. A groof jellyfish is termed as smack.
The subphylum Medusozoa, jellyfish’s subphylum includes all cnidarians with a medusa stage in their life cycle. The basic cycle is egg, and then planula larva forms and then the turn of polyp, after polyp a medusa forms, with the medusa being the sexual stage. The polyp stage is sometimes secondarily lost. Medusa forms after polyp and Medusozoans have an interesting tetramerous (with the parts of four or multiples of four) symmetry.
Jellyfish do not have any hard parts for example bones etc hence, the fossils are rare.
Basic Structure
The basic structure of Jellyfish is described as
- The main feature of jellyfish anatomy is Umbrella shaped bell.
- A hollow structure consisting of a jelly-like transparent mass is termed Mesoglea.
- Mesoglea forms the hydrostatic skeleton of jellyfish.
- Mesoglea consists of amoebocytes, that help in engulfing debris and bacteria, and mesoglea also consists of collagen, fibrous proteins, and almost 95% water.
- Jellyfish consist of a ball on which the string-like hanging structure is present termed tentacles.
- There are some oral arms present downside and a mouth gut and gonads in the ball.
- The ball is surrounded by a muscle ring.
The Small are some large jellyfish
Jellyfish can be found from one millimeter in bell height and diameter to nearly seven feet or two meters in bell height and diameter, the tentacles and mouth parts mostly extend beyond this bell dimension.
Deep sea Jellyfish anatomy is a candidate for the largest Jellyfishes.
Jellyfish Habitat:
This Jelly kind is almost three feet and three inches wide (up to 100cm), oral arms are twenty feet in length and it is four thick.
The peculiar creeping jellyfish is known as the smallest Jellyfish. They are having bell disks from about 0.5 millimeters (1⁄32 in) to a few millimeters in diameter, with short tentacles.
Anatomy :
These are so tiny that they can not be seen without a lens (hand lens) or microscope that can extend the size of the human eye. They do not need any sexual life because the jellyfish anatomy can reproduce asexually by fission (splitting in half).
These smallest creatures sometimes live for some minutes only and then shed their gametes in plankton and die, and some can live for weeks and months.
Some Amazing Facts about JellyFish
- Because of their Collagen, the JellyFishes are used to treat Rheumatoid Arthritis.
- In some parts of the world, Jellyfishes are used as delicious food.
- One Species of JellyFish does not move, it is immortal and after becoming sexually mature it can go back to the child state and hence never dies, only reproducing.
- The Ball helps in the locomotion.
- The Sex Cycle of Jellyfishes is so complicated as they can reproduce by both methods i.e sexually and asexual means reproduction.
Sexually jellyfish habitat and its anatomy
The sperm is left free in the aquatic environment by a Male Jellyfish, then caught by a Female from the mouth and hence the sperm fertilizes the egg inside the mouth and produces a mating stage termed as larva and then a polyp produces from it and the last stage medusa comes . - When Medusa grows, it becomes the final adult sexual stage.
Asexually
They produce asexually (no sex, without sex) by splitting into two (Fusion). Hence, division makes or reproduces a new Jellyfish.
https://europe.oceana.org › feature-a… Feature: About Jellyfish | Oceana Europe
