Shark vs. Tuna — What's the Difference?

Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the rays.

A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae (mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max.

Any of numerous cartilaginous fishes of the subclass Elasmobranchii that are chiefly carnivorous and marine. Sharks have a streamlined torpedolike body, five to seven gill openings on each side of the head, a large oil-filled liver, and tough skin covered with small toothlike scales.

Any of various often large scombroid marine food and game fishes of the genus Thunnus and related genera, several of which, including albacore and skipjack tuna, are commercially important sources of canned fish. Also called tunny.

(Informal)A person, such as a loan shark, who takes advantage of the misfortune of others for personal gain.

Any of several related fishes, such as the bonito.

(Informal)A person unusually skilled in a particular activity

The edible flesh of tuna, often canned or processed. Also called tuna fish.

To obtain by deceitful or underhand means.

Any of several prickly pears, especially O. ficus-indica, widely cultivated for its edible red fruit.

To take advantage of others for personal gain, especially by fraud and trickery.

The edible fruit of any of these cacti. Also called cactus pear.

(ichthyology) A scaleless, predatory fish of the superorder Selachimorpha, with a cartilaginous skeleton and 5 to 7 gill slits on each side of its head.

Any of several species of fish of the genus Thunnus in the family Scombridae.

The noctuid moth Cucullia umbratica.

The edible flesh of the tuna.

A university student who is not a fresher that has engaged in sexual activity with a fresher; usually habitually and with multiple people.

The prickly pear, a type of cactus native to Mexico in the genus Opuntia.

Someone who exploits others, for example by trickery, lies, usury, extortion.

The fruit of the cactus.

A sleazy and amoral lawyer.

The Opuntia Tuna. See Prickly pear, under Prickly.

An ambulance chaser.

Any one of several species of large oceanic fishes belonging to the mackerel family Scombridae, especially the bluefin tuna (Thunnus thynnus, formerly Orcynus thynnus or Albacora thynnus), called also the common tunny or great tunny, a native of the Mediterranean Sea and of temperate parts of the Atlantic Ocean. It sometimes weighs a thousand pounds or more, and is caught commercially in large quantity for use as food; - also called, especially in Britain, tunny. It is also one of the favorite fishes used by the Japanese in preparing sushi. On the American coast, especially in New England, it is sometimes called the horse mackerel. Another well-known species is the yellowfin tuna (Thunnus albacares) of warm seas. the See Illust. of Horse mackerel, under Horse.

(informal) A relentless and resolute person or group, especially in business.

The bonito, 2.

(informal) A very good poker or pool player. Compare fish (a bad poker player).

The meat of the tuna, used as food; - also called tuna fish.

A person who feigns ineptitude to win money from others.

Tropical American flat-jointed prickly pear; Jamaica

(rare) To fish for sharks.

Important warm-water fatty fish of the genus Thunnus of the family Scombridae; usually served as steaks

Of a university student who is not a fresher, to engage in sexual activity with a fresher, or to be at a bar or club with the general intention of engaging in such activity.

Any very large marine food and game fish of the genus Thunnus; related to mackerel; chiefly of warm waters

(obsolete) To steal or obtain through fraud.

New Zealand eel

To play the petty thief; to practice fraud or trickery; to swindle.

To live by shifts and stratagems.

(obsolete) To pick or gather indiscriminately or covertly.

Any one of numerous species of elasmobranch fishes of the order Plagiostomi, found in all seas.

A rapacious, artful person; a sharper.

Trickery; fraud; petty rapine; as, to live upon the shark.

To pick or gather indiscriminately or covertly.

To play the petty thief; to practice fraud or trickery; to swindle.

To live by shifts and stratagems.

Any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales

A person who is ruthless and greedy and dishonest

A person who is unusually skilled in certain ways;

Play the shark; act with trickery

Hunt shark