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Related to blue shark: hammerhead shark
A pelagic shark (Prionace glauca) of tropical and temperate oceans, having large eyes and a blue upper body and sides.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a slender shark, Prionace glauca, that is deep blue above and pure white below.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||blue shark - slender cosmopolitan, pelagic shark; blue body shades to white belly; dangerous especially during maritime disasters|
requiem shark - any of numerous sharks from small relatively harmless bottom-dwellers to large dangerous oceanic and coastal species
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