Blenniidae

Deceiver fangbelly

Petroscirtes fallax

Three black lines on yellow

• Tropical
• Regional distribution
• Marine fish
• Pacific Ocean
• Small
• Tropical fish

Petroscirtes fallax, the deceiver fangbelly or yellow saberetooth blenny, is a species of combtooth blenny found in coral reefs in the western Pacific ocean. This species reaches a length of 9.5 centimetres (3.7 in) TL. This is a small species of blenny with a body which is yellow to whitish in colour and is marked with three longitudinal black stripes. The more ventral stripe extending onto the base of the pectoral fin although not to the base of the anal fin.