Why is *Sueviota aethon* nicknamed 'The Grumpy Dwarf Goby'?

Answer

Due to two large, protruding canine teeth on both jaws.

The nickname originates from the goby's peculiar facial expression, which is characterized by the presence of two large, protruding canine teeth located on both the upper and lower jaws.

Why is *Sueviota aethon* nicknamed 'The Grumpy Dwarf Goby'?
speciesdiscoveryfishgoby