Scientific name: 
Forcipiger flavissimus
Distinctive features: 
1. Long snout 2. Mouth slightly open at tip
Size: 
max. 8 1/2 in.

Yellow body with white chin and chest. The snout is long and slender, and the mouth is open at the tip. Shouldn't be confused with the similar-looking Big Longnose Butterflyfish, which has a slightly longer snout.