Contrary to popular belief, fin collapse doesn't just affect captive whales ... It doesn't take long for this process to happen. One group developed curved fins after a month in captivity.

Contrary to popular belief, fin collapse doesn't just affect captive whales ... It doesn't take long for this process to happen. One group developed curved fins after a month in captivity.

At birth, beluga whales are 5 feet long, roughly 100 pounds, and dark blue-gray in color. Unmistakable as adults, their color lightens to white, and they have a dorsal ridge rather than a fin. Belugas ...