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What are the characteristics of jellyfish?
Jellyfish have no brain, heart, bones or eyes. They are made up of a smooth, bag-like body and tentacles armed with tiny, stinging cells. These incredible invertebrates use their stinging tentacles to stun or paralyse prey before gobbling it up. The jellyfish’s mouth is found in the centre of its body.
What are behavioral characteristics of jellyfish?
Their behaviours include swimming up in response to somatosensory stimulation, swimming down in response to low salinity, diving in response to turbulence, avoiding rock walls, forming aggregations, and horizontal directional swimming. These are not simple reflexes.
What is the body of a jellyfish called?
The first is their umbrella-like body, known as a “bell.” The white-spotted jellyfish gets its name from the marks adorning its bell. Hanging from that bell, you can see the long, thin tentacles of the jelly fish.
What makes jellyfish unique?
But despite their name, jellyfish aren’t actually fish—they’re invertebrates, or animals with no backbones. Jellyfish have tiny stinging cells in their tentacles to stun or paralyze their prey before they eat them. Inside their bell-shaped body is an opening that is its mouth.
Do jellyfish breathe?
Jellyfish, or Scyphozoans, have no structures dedicated for respiration or circulation. However, they still need oxygen, just like every other animal. They do have several physiological adaptions that allow them to take up oxygen, and even store it, allowing jellyfish to survive in low-oxygen conditions.
What are special traits of a jellyfish?
15 Facts About the Lion’s Mane Jellyfish It Can Grow Up to 120 Feet Long. By comparison, the largest recorded blue whale was a paltry 108 feet long. It Eats and Expels Waste Through the Same Orifice. Jellyfish have a very special opening designed to perform double-duty as both a mouth and an anus. It Isn’t Immune to Predation. Lion’s Mane Jellyfish Come in a Variety of Colors.
What are the most unique characteristics about the jellyfish?
They Predate the Dinosaurs by Hundreds of Millions of Years Jellyfish have no bones,so fossils are hard to come by.
What are some jellyfish physical characteristics?
Scientific Name: Cnidarian; scyphozoan,cubozoan,and hydrozoan
What are facts about jellyfish?
Jellyfish or jellies are marine invertebrates of of the phylum Cnidaria . They are typified as free-swimming marine animals consisting of a gelatinous umbrella-shaped bell and trailing tentacles. Jellyfish are not fish and they are related to corals and anemones.