"A swarm of juvenile Striped Eel Catfish rolling over the sandy sea floor.
They typically swim together in a coordinated manner to stay safe from predators. They may align themselves in a tight formation, often in a line or a V-shape, and move rapidly and erratically to avoid obstacles and predators. They also take turns leading and following to conserve energy."
"I dunno...maybe ease up on those mushrooms."
#9 "Hey! Can't you read the sign? No Pleasuring The Fungus!"
Any marine biologists here, or should I just google?