Jumping spiders are expressive animals, and once you know what to look for, reading their health becomes instinctive. This guide gives you the reference points.
✅ Signs of a Healthy Spider
⚠️ Signs That Warrant Attention
These signs alone aren’t necessarily emergencies, but they warrant investigation:
- Abdomen appears shrunken, wrinkled or puckered
- Spider is inactive during normal daylight hours (outside of pre-molt)
- Spider is spending time on the enclosure floor (rather than elevated)
- Colouration is noticeably duller than usual
- Legs appear to be held asymmetrically
You can only recognise abnormal if you know normal. Spend 5 minutes observing your spider at the same time each day for the first two weeks. After that, deviations become obvious quickly.
🚨 Urgent Signs
These require immediate action: spider lying on its back outside of molting context, legs completely limp and unresponsive, or visible injury to the abdomen with fluid loss. In these situations, ensure the enclosure is the correct temperature, gently place the spider in a small container with slightly elevated humidity, and consult specialist forums immediately.