General Description

Upper body blue-grey, paler underneath. Lines (throat pleats) underneath from throat to middle of the body. Dorsal fin with curved edge. Tail wide with a pointed notch in the middle of the rear edge. Water spray from blowhole is a vertical jet more than 5 m high. Up to 33 m long.

Biology

Blue Whales feed on krill and usually swim alone or in widely-separated groups. They are the largest mammal alive. The Pygmy Blue Whale subspecies (more often seen in Victoria than Blue Whales) is smaller and has a shorter tail.

Distribution

Worldwide. Most Australian waters.

Habitat

Open oceans and near coastlines.

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