Blackback Flounder -

: They thrive in near-freezing temperatures and even possess "antifreeze" proteins in their blood to survive in sub-zero conditions. Habitat and Migration

: They are found from Labrador, Canada, down to Georgia, United States, though they are most common north of Delaware Bay. blackback flounder

: They typically reach lengths of 12 to 18 inches and weigh 2 to 3 pounds, though specimens in deeper waters like Georges Bank can grow up to 27 inches (70 cm) and weigh nearly 8 pounds. : They thrive in near-freezing temperatures and even

: 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. : Their upper side is typically dark, ranging

The , scientifically known as Pseudopleuronectes americanus and commonly called the winter flounder , is a right-eyed flatfish native to the coastal waters of the Northwest Atlantic. Biology and Appearance