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Definition of sixgill shark

sixgill shark

Plural:sixgill sharks
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• noun

1

A large, predominantly deep-water shark belonging to the family Hexanchidae, biologically characterized by its primitive feature of having six pairs of gill slits rather than the typical five found in most other modern sharks.

Example

"Marine biologists used a deep-sea submersible to observe the elusive bluntnose sixgill shark scavenging on a whale carcass in the dark waters of the oceanic trench."

• Nearby Words

six
sixer
sixfold
sixgill shark
sixgun
sixish
sixline wrasse

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Sixgill shark. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sixgill-shark
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