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Geosesarma dennerle
A small, semi-terrestrial crab with striking purple coloration and bright yellow eyes. Requires a paludarium setup with both land and water areas.
Fin Rot
Fins look frayed, ragged or are visibly shrinking with white or red edges.
Old Tank Syndrome
Water quality slowly worsens over months or years despite regular small water changes.
Dropsy
Abdomen swells and scales stand out like a pinecone — usually a bacterial infection.
Common invertebrate problems
Stocking calculator
Compatibility checker