Difference Between Octopus and Jellyfish

Main Difference

An octopus gets defined as an animal that lives in the sea and has eight arms used as sucker-bearing, has a soft body, strong jaws and lack of an inner shell. A jellyfish gets defined as an animal that lives in the sea and has a jelly like a body which becomes saucer shaped and has stinging tentacles around the edges.

Comparison Chart

Basis of DistinctionOctopusJellyfish
DefinitionAn animal that lives in the sea and has eight arms used as sucker-bearing, has a soft body, strong jaws and lack of an inner shell.An animal that lives in the sea and has a jelly like a body which becomes saucer shaped and has stinging tentacles around the edges.
FamilyPhylum Mollusca.Phylum Cnidaria.
LifespanMay live up to 3, and five years on average.It has a life of just six months for common and up to one year for lion jellyfishes.
Digestion SystemA complete digestive system that helps to maintain their secretions and have a track with a mouth and ends with the anus.The digestive regime of a jellyfish differs considerably and only has a mouth.

Octopus

An octopus gets defined as an animal that lives in the sea and has eight arms used as sucker-bearing, has a soft body, strong jaws and lack of an inner shell. Octopuses are ocean creatures well known for their adjusted bodies, swelling eyes, and eight long arms. They live in all the world’s seas, however, are particularly inexhaustible in warm, tropical waters. Octopuses, like their cousin, the squid, are frequently considered “beasts of the profound,” however a few species, or sorts, involve shallow waters. The octopus must be found in salt water; however, they live in every one of the seas. The octopuses that live in warm waters tend to be little. The ones that live in colder waters are substantially bigger. The octopus has a life expectancy of 1 to 2 years. Most octopuses remain along the sea depths’, albeit a few species are pelagic, which implies they live close to the water’s surface. Different octopus’s species live in deep, dull waters, ascending from underneath at daybreak and sunset to scan for nourishment. Crabs, shrimps, and lobsters rank among their most loved nourishments; however, some can assault bigger prey, like sharks. Octopuses commonly drop down on their prey from above and, utilizing capable sections that line their arms, maneuver the creature into their mouth. The Giant Pacific Octopus lives in the waterfront waters from British Columbia and is the biggest octopus on the planet. The biggest one got weighed 600 pounds and its appendages spread over 33 feet. He octopus plays out it’s well known in reverse swim by impacting water through a solid tube on the body called a siphon.

Jellyfish

A jellyfish gets defined as an animal that lives in the sea and has a jelly like a body which becomes saucer shaped and has stinging tentacles around the edges that help with the transparent color. Jellyfish had floated along on sea streams for a large number of years, even before dinosaurs lived on the Earth. The jellylike animals beat along on sea streams and are copious in icy and warm sea water, in deep water, and along coastlines. In any case, despite their name, jellyfish aren’t fish, they’re spineless creatures or creatures without any spines. It is trusted that the Jellyfish is one of the most established living animals on Earth. There is proof to recommend that they have been around for more than 700 million years. Such data depends on fossil remains that have been deliberately gathered and dissected. These animals live in sea waters the world over. They live in different temperatures of water and profundities of the water contingent upon their particular species. Jellyfish stings can be agonizing to people and some of the time extremely hazardous. However, jellyfish don’t intentionally assault people. Most stings happen when individuals coincidentally touch a jellyfish, however, if the sting is from a perilous animal variety, it can be fatal. Jellyfish process their sustenance rapidly. They wouldn’t have the capacity to drift if they needed to convey a large, undigested dinner around. Some of them are not as much as an inch in width while others are extensive. The Lion’s mane jellyfish is the biggest known types of jellyfish on the planet.

Key Differences

  1. An octopus gets defined as an animal that lives in the sea and has eight arms used as sucker-bearing, has a soft body, strong jaws and lack of an inner shell. A jellyfish gets defined as an animal that lives in the sea and has a jelly like a body which becomes saucer shaped and has stinging tentacles around the edges.
  2. Both these species have different families from where they come and therefore have distinctive features. Octopus comes from Phylum Mollusca, on the other hand; jellyfish comes from Phylum Cnidaria.
  3. The lifespan of an octopus becomes much larger than that of a jellyfish. The first one may live up to 3, and five years on average, on the other hand, the latter has a life of just six months for common and up to one year for lion jellyfishes.
  4. Octopus has a complete digestive system that helps to maintain their secretions and have a track with a mouth and ends with the anus. On the other hand, the digestive regime of a jellyfish differs considerably and only has a mouth.
  5. The weight of a jellyfish stays much more than that of an octopus. A big fish may have size up to 200 kg whereas a big octopus only has a weight of around 15 to 20 kg.

Comparison Video

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Harlon Moss

Harlon currently works as a quality moderator and content writer for Turpy Media. He graduated from the University of California in 2010 with a degree in Computer Science. Follow him on Twitter @HarlonMoss or on Pinterest @HarlonMoss

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