窄头双髻鲨

[ noun ]
small harmless hammerhead having a spade-shaped head; abundant in bays and estuaries
<noun.animal>

bonnet head \bonnet head\, bonnethead \bonnethead\n. (Zo["o]l.),
small harmless hammerhead shark ({Sphyrna tiburio}) of the
southern United States and West Indies, having a spade-shaped
head; abundant in bays and estuaries.

Syn: shovelhead, bonnet shark, Sphyrna tiburo.
[1913 Webster + WordNet 1.5]