Glogrubs

Overview
Glogrubs are small aquatic creatures which measure at around 10 cm at most.

Etymology
“Glogrub” comes from English glow and grub, referring to the creature’s glowing appendage used to ward off predators.

Morphology
Glogrubs measure at 5 to 10 cm, feature two stubby fins, and a long tail with a bioluminescent bulb on the end.