There are traditions, and then there are hockey traditions. The Nashville Predators and their fans are known for throwing catfish on the ice before the start of games. One of Nashville’s own ...

Several wild-caught Hoplisoma noxium, or noxium armored catfish. Photos from Willian Massaharu ... Their heads are “roughly triangular” with a “small” mouth and bumpy lips.

Noxium armored catfish can reach about 2.5 inches in length, the study said. They have plate-like scales forming a “mosaic-like pattern.” Their heads are “roughly triangular” with a “small” mouth and ...