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| A 14-foot (4.3 m), 1,200-pound (540 kg) tiger shark caught in Kāne‘ohe Bay, Oahu in 1966 |
Until the 16th century,
sharks were known to mariners as "sea dogs".
The etymology of the word "shark" is uncertain. One theory is that it derives from the Yucatec Maya word
xok, pronounced 'shok'.
Evidence for this etymology comes from the OED, which notes the name "shark" first came into use after Sir John Hawkins' sailors exhibited one in London in 1569 and used the word "
sharke" to refer to the large sharks of the Caribbean Sea.
An alternate etymology states that the original sense of the word was that of "predator, one who preys on others" from the German
Schorck, a variant of
Schurke "villain, scoundrel" (cf.
card shark,
loan shark, etc.), which was later applied to the fish due to its predatory behaviour.