Balaenoptera omurai Omuras whale

Balaenoptera omurai is known as Omura s whale and is one of the least known species of whales in the world. Now, researchers have studied around 25 individuals in Madagascar, noticing unique asymmetrical pigmentation on the head: A asymmetrical coloration of the lower jaw B asymmetrical coloration of the gape C leading edge of pectoral fin white from tip to shoulder D apparent absence of lateral rostral ridges E lightly pigmented blaze originating anterior to the eye F lightly pigmented chevron