Perch or bream.

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1854.  “Chequits” and sea-bass, blackfish, long clams, “pumpkin-seeds,” and an accidental eel, all contribute [to the chowder].—Putnam’s Mag., iii. 363/2 (April).

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1862.  

        Where I ’ve sot mornin’s lazy as the bream,
Whose on’y business is to head up-stream,
(We call ’em punkin-seed).
Lowell, ‘Biglow Papers,’ 2nd S., No. 2.    

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