Sharp prick to extreme pain<unk>  site: numbness,<unk> ing, ischemia, cyanosis
Systemic: weakness, sweating, visual changes, muscle paralysis, respiratory failure, cardiovascular collapse, coma
Death can occur in 1-5 hours
Cone shell envenomation
Anaphylaxis
Stonefish envenomation
Toxins
Crown-of-Thorns starfish envenomation
Ciguatera
Fire coral envenomation
Scombroid