Coral Community
Coral health and disease discussions.
guide
A closed zoanthid colony cannot tell you whether the issue is light, flow, debris, a recent disturbance or a hitchhiker. Start with context instead of treating closure as proof of pests. ## Use five observations - When did the change begin, and was it sudden? - Did the light sc…
guide
Brown, stringy or gelatinous material can be worrying, especially beside changing tissue. Appearance alone does not establish a disease, and the priority is to describe what is happening clearly. ## Record location and timing Is the material emerging near a mouth, sitting on th…
guide
A coral turning pale can be alarming. But pale tissue and exposed skeleton aren't the same thing, and a photo may not tell the whole story. ### Bleaching or paling The animal may still have living tissue but lose much of its normal color. Changes in symbiotic algae or pigments, …
guide
Your torch looked fluffy last week, but today the tentacles are tucked close to the skeleton. What changed? Retraction is a *sign to investigate*, not a diagnosis on its own. ### 1. Look at flow, not just the pump setting Is the coral swaying irregularly, barely moving, or getti…
