Why do jellyfish glow?


Jelly Fish:

  • Jelly Fish is the invertebrates belonging to the Cydaria.
  • Jelly Fish belongs to the class of Scyphozoa.
  • Jelly Fish is an underwater animal.
  • It can be found in both cold and warm water, they can be deep inside the sea or along the coastline.
  • Jelly Fish can be found in clear color, or they can be of different colors such as pink, blue and purple.
  • Jelly Fish have very unique body, they do not consist of any heart, bone or eyes.
  • Instead, Jelly Fish consist if smooth bad like body along with tentacles.
  • Tentacles are used by Jelly Fish to get them their prey.
  • The tentacles of Jelly Fish consist if stinging tiny cells. Which can help them to paralyze their prey by stinging them with tentacle, and then they can gobble them.
  • Jelly Fish has its mouth located in the center of its body from where it can eat its prey and can eliminate unwanted things.
  • The another use for this mouth is that, Jelly Fish can squirt out some water from its mouth which can help it to move forward.
  • The another great thing about Jelly Fish is that they are known to be bioluminescent.

Why Do Jelly Fish Glow?

  • Jelly Fish are known to be bioluminescent.
  • Which means they can produce their own light, or in other words they appear glowing to us.
  • Jelly Fish glows because of a certain kind of chemical reaction occurring in their body.
  • The main substance responsible for the glowing of Jelly Fish is because of the chemical substance known as “Luciferin” and its reaction with oxygen.
  • Jelly Fish uses this light to gain the attraction of its prey, on which it can attack once came near.
  • Some Jelly Fish even uses the light to startle their prey or to get away from predator.

Fun Facts:

  1. Jelly Fish are very old animal, they were found even before the existence of dinosaur.
  2. One species of Jelly Fish is said to be as a biologically Immortal. The name of the Jelly Fish is “Turritopsis dohrnii”.
  3. The largest known species of a Jelly Fish is known as “Hair Jelly” or “Cyanea Capillata”.

Related Questions:

  1. Which other animals are capable of Bioluminescent?
  2. Where can we find Jelly Fish in the World?
  3. What is the mechanism of luminescent in Jelly Fish?

True or False:

  1. Jelly Fish are found in the water.
  2. Jelly Fish can only survive in cold water.
  3. Jelly Fish belong to the Invertebrates section.
  4. Jelly Fish has one heart.
  5. Jelly Fish has 12 bones.

Objective Quiz:

  1. Jelly Fish is a type of ___________.
    1. Invertebrates.
    2. Vertebrates.
    3. Both 1) and 2).
    4. Nome off the above.
  2. Jelly Fish can be _________.
    1. Clear colored.
    2. Blue colored.
    3. Pink colored.
    4. All of the above.
  3. Jelly Fish can be found in________.
    1. Deep water.
    2. Along the Coast.
    3. Both 1) and 2).
    4. None of the above.
  4. Jelly Fish uses its mouth to _______.
    1. Eat.
    2. Eliminate waste product.
    3. Squirt some water to move.
    4. All of the above.
  5. Jelly Fish does not have any _______.
    1. Eyes.
    2. Heart.
    3. Bone
    4. All of the above.

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