A juvenile yellow boxfish is quickly released after a scorpionfish senses the harmful effects of tetrodotoxin secreted by the boxfish. Boxfish have aposematic coloration as a warning to others, and when threatened they will secrete a neurotoxic agent into

A juvenile yellow boxfish is quickly released after a scorpionfish senses the harmful effects of tetrodotoxin secreted by the boxfish. Boxfish have aposematic coloration as a warning to others, and when threatened they will secrete a neurotoxic agent into