sand dab

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several small edible flatfishes, especially those of the genus Citharichthys of Pacific waters.

from The Century Dictionary.

• noun A kind of plaice, the rusty dab, Limanda ferruginea, found along the Atlantic coast of the United States, especially northward. Its colored side is brownish-olive with irregular reddish spots. See dab.
• noun A common name for a flounder, Hippoglossoides platessoides, found on both sides of the North Atlantic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any of various small flatfish of the genus Citharichthys native to the Pacific coast of the Americas.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the lean flesh of a small flounder from the Pacific coast of North America
• noun small food fishes of the Pacific coast of North America