Tales of Tolgard
A shimmering flash of silver and orange bolts through the water. Each of the tiny fish in this swarm is covered with small bumps and unnatural-looking skin boils.
Found in both salt and fresh water, often near hot springs or geothermal vents, hetfish are unusual creatures indeed. Individually, the temperature of their flesh is scalding hot to the touch, but in a swarm their temperature rises considerably.
A single hetfish is about a foot long.