: Their upper side is typically dark, ranging from olive green to jet black, but they can change color to mimic the sediment of the sea floor for camouflage.
: They thrive in near-freezing temperatures and even possess "antifreeze" proteins in their blood to survive in sub-zero conditions. Habitat and Migration blackback flounder
: These bottom-dwellers feed primarily on small invertebrates such as worms, clams, mussels, and crustaceans. Conservation and Fishing The Fascinating Flounder : Their upper side is typically dark, ranging