About Jellyfish

About Jellyfish

 Jellyfish:

    It is a marine animal of mollusks belonging to the family of invertebrates and is characterized by a gelatinous consistency and has sensory sensors and long limbs called tentacles and does not have a digestive system because most of its body is made of water, so it rushes quickly in the water and water currents of jellyfish help you move from one place to another, and jellyfish have many types  Among them are jellyfish that do not sting, and jellyfish do not harm people, but it is better not to touch them.

    On the other hand, some of them are fatal to humans.  Jellyfish feed on fish eggs and larvae, and in the summer they spread widely and sometimes become food for some marine animals such as turtles and certain types of fish.  The tentacles of some species of jellyfish range in size from a few centimeters to several meters, and the length of their arms is about thirty meters.  In connection with their reproduction, they reproduce by laying eggs that grow and multiply on land in the sea.

    When he grows up, he separates from her to start swimming in the sea.  Jellyfish sting The order of jellyfish varies with the type and number of itch cells that penetrate the human skin and therefore the amount of venom injected, and sometimes some burns cause permanent deformities that cannot be treated.  Jellyfish sting symptoms

    The symptoms of the bite begin as a simple rash that gradually increases and causes significant sensitivity and swelling of the skin. The victim usually experiences a burning sensation on the skin and the effects of the bite last for about a day before disappearing.  By spasm of muscles and the effects can last for a long time and months and sometimes may not go away as mentioned above. First aid for a jellyfish sting is not to touch the sting site.  Apply hot water to the sting site when the heat kills the venom.  Apply salt water to the sting site.  Apply vinegar or baking soda to the baking area to neutralize the poison.  Calamine lotion or hydrocortisone creams and antihistamines such as histamine can be taken orally.  Use pain relievers to relieve the pain from the sting.

    Complications of a jellyfish sting:

    In some cases, exposure to a jellyfish sting can lead to serious health complications, including:

    Irukanji syndrome: This syndrome is characterized by stomach and abdominal pain, high blood pressure, and heart problems.  Post-allergic reaction: In some cases, a person may experience an allergic reaction for up to two weeks after being stung by a jellyfish, and this condition is accompanied by a rash and blisters.  Anaphylaxis or anaphylactic shock: This is a serious health problem, which rarely occurs after contact with jellyfish and is associated with shortness of breath.

    * Hives and gases and these symptoms appear in a short time, usually not more than twenty minutes.  Consult a doctor if you feel any of the symptoms that indicate a severe allergic reaction after a jellyfish sting, you should consult a doctor and in the following cases you should see a doctor as soon as possible:

    * Bite in the eye or mouth.  Stinging effect on a large area of ​​​​the skin.  The appearance of signs of severe discomfort in the affected person.  Stomach pain and vomiting blisters on the skin.  Suspicion of an infection in the affected area.  Severe itching that does not go away in a day.  Redness and rash that persists for more than two days.

    Some types of jellyfish:

    Here are some types of jellyfish: Lion's mane jellyfish.  Ordinary jellyfish or moon jellyfish.  Medusa from Irokanji.  Cube Jellyfish.  Portuguese jellyfish.  Medusa (English: Sea Nettle).

    Jellyfish body composition:

    The body of a jellyfish is made primarily of water, which makes up 98% of its body, is easy to build, and does not contain a heart, bones or brain, but has primitive sensory nerves at the base of its tentacles that allow it to distinguish smells.  Look at the light and determine its direction.  In general, the body of a jellyfish consists of the following parts:

    Epidermis: is the outer layer that protects the internal organs.  The gastrodermis (Gastro Dermis): It is the inner layer.  Mesoglea: A gelatinous substance found between the epidermis and dermis of the stomach.  Abdominal cavity: a structure that functions like the esophagus, stomach, and intestines.  Hole: It functions as the mouth and the anus at the same time.  Tentacles: The structures that surround the edges of the jellyfish's body.