hardyhead

From reference to their hardy or robust head.

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hardyhead (plural hardyheads or hardyhead)

1. (Australia) Any of the sundry species of fish of the family Atherinidae found near Australia;
2. (generally) Any fish of species Atherinomorus vaigiensis and Atherinomorus lacunosus, commonly found in Australian waters.

• “hardyhead”, in OneLook Dictionary Search.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “hardyhead”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.