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Cuttlefish vs. Jellyfish — What's the Difference?

Cuttlefish vs. Jellyfish — What's the Difference?

Difference Between Cuttlefish and Jellyfish

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Cuttlefish

Cuttlefish or cuttles are marine molluscs of the order Sepiida. They belong to the class Cephalopoda, which also includes squid, octopuses, and nautiluses.
Mar 12, 2023

Jellyfish

Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a few are anchored to the seabed by stalks rather than being mobile.
Mar 12, 2023

Cuttlefish

Any of various marine cephalopod mollusks of the family Sepiidae, having eight arms and two long tentacles, a calcareous internal shell, and a broad body.
Mar 12, 2023

Jellyfish

Any of numerous usually free-swimming marine cnidarians of the class Scyphozoa, characteristically having a gelatinous, tentacled, often bell-shaped medusa stage as the dominant phase of its life cycle. Also called true jellyfish.
Mar 12, 2023

Cuttlefish

Any of various squid-like cephalopods (marine mollusks) of the order Sepiida that have eight arms, two retractable tentacles, and a calcareous internal shell, and can eject a dark ink when threatened
Mar 12, 2023
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Jellyfish

Any of various similar or related cnidarians.
Mar 12, 2023

Cuttlefish

Ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell
Mar 12, 2023

Jellyfish

(Informal) One who lacks force of character; a weakling.
Mar 12, 2023

Jellyfish

An almost transparent aquatic animal; any one of the acalephs, especially one of the larger species, having a jellylike appearance.
Mar 12, 2023

Jellyfish

A cnidarian, a member of the phylum Cnidaria.
Mar 12, 2023

Jellyfish

A ctenophore, a member of the phylum Ctenophora (the comb jellies).
Mar 12, 2023

Jellyfish

A sudoku technique involving possible cell locations for a digit, or pair, or triple, in uniquely four rows and four columns only. This allows for the elimination of candidates around the grid.
Mar 12, 2023

Jellyfish

Any one of the acalephs, esp. one of the larger species, having a jellylike appearance. See Medusa and acaleph.
Mar 12, 2023

Jellyfish

Large siphonophore having a bladderlike float and stinging tentacles
Mar 12, 2023

Jellyfish

Any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans
Mar 12, 2023

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