The Collaborative International Dictionary of English v.0.48:

Cunner \Cun"ner\ (k[u^]n"n[~e]r), n. [Cf. Conner.] (Zool.)
   (a) A small edible fish of the Atlantic coast (Ctenolabrus
       adspersus); -- called also chogset, burgall, blue
       perch, and bait stealer. [Written also conner.]
   (b) A small shellfish; the limpet or patella.
       [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

bergall \ber"gall\ (b[~e]r"g[add]l), n.
   a small wrasse (Tautogolabrus adspersus), common in north
   Atantic coastal waters of the U. S.; -- also called the
   cunner.

   Syn: cunner.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Burgall \Bur"gall\, n. (Zool.)
   A small marine fish; -- also called cunner.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cunner
    n 1: common in north Atlantic coastal waters of the United
         States [syn: cunner, bergall, Tautogolabrus
         adspersus]