But the whale’s skin was blotchy, and if it were a right whale, something would have been wrong.

Dengue can cause a fever, severe headache, pain behind the eyes, muscle and joint pain, and a blotchy rash.

A blotchy red or brown rash usually appears after a few days, typically on the face and behind the ears, before spreading to the rest of the body.

Symptoms of measles, external include a high fever, a blotchy red or brown rash, coughing, and sneezing.

A blotchy red/brown rash usually appears after the initial symptoms.