Hydrogen Sulphide Poisoning

🦠 Anaerobic pockets in substrate

📋 Overview

Deep sand beds develop anaerobic pockets over time. If disturbed suddenly, they release hydrogen sulphide - a lethal gas. Symptoms include rotten-egg smell, sudden mass mortality, and darkened substrate patches.

📊 Key Facts

Causative Agent

Anaerobic pockets in substrate

Primary Host

All fish

Treatment

✗ None

Vaccine

✗ None / Experimental

🛡️ Prevention

ℹ️ Prevention is the most effective strategy for managing this disease in aquaculture and aquarium settings.

Regularly stir substrate; use appropriate DSB fauna (worms, cucumbers); avoid deep substrates over 6 inches without maintenance.