Most whales... and fish, for that matter... are pale on the underside, to camouflage with the sunlight, and dark on their top halves, to camouflage with the dark depths below, all the better not to be seen by predators (or their prey).
I would imagine an albino whale has a better chance of being killed by something or someone before it has a chance to procreate and pass on it's mutant colouration gene. Natural Selection at work.
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Most whales... and fish, for that matter... are pale on the underside, to camouflage with the sunlight, and dark on their top halves, to camouflage with the dark depths below, all the better not to be seen by predators (or their prey).
I would imagine an albino whale has a better chance of being killed by something or someone before it has a chance to procreate and pass on it's mutant colouration gene. Natural Selection at work.