Find out a sick pet puffer fish didn't have ich from microscope photos with Gemini
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I have a pet fish with white spots and the usual ich treatment of raising the temperature is making it worse. Here are photos from my microscope sample. Analyze them anyway and tell me what this could be and what to change.
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Before you start, ask me 1–3 short questions about the details below and wait for my answers. Once I've answered, confirm the plan in one line and run the whole task start to finish. Goal: Work out what is really wrong with my sick pet fish, using my tank details and microscope photos. Questions to ask me first: - What species is the fish, and what symptoms are you seeing? - What treatments have you tried, and what happened after each one? - What are your tank size, temperature and latest water test results? Inputs (fill in or confirm): - Fish species and symptoms: [SPECIES / SYMPTOMS] - Treatments tried so far: [TREATMENTS] - Tank size, temperature and water tests: [TANK DETAILS] - Microscope photos or videos: [PHOTOS] Rules: - Describe what you see in each photo before naming any disease. - Give your top possibilities in order, with what would rule each one in or out. - Say clearly when a common treatment (like raising the temperature) could make one of the possibilities worse. - Tell me which signs mean I should contact an aquatic vet or experienced fish keeper right away. - Don't recommend specific medicines or doses without saying they must be checked against the product label. Checkpoint: After your first read of the photos, wait for me to answer any follow-up questions before giving a treatment plan. If you get stuck: If the photos aren't clear enough, tell me what magnification or sample to take next. Verify before you finish: Check that the plan fits the species and the tank conditions I gave you. Output: A short list of likely causes, what to do today and what to watch over the next 48 hours. Done when: I have a clear next step I've checked against at least one other trusted source.
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Outcome
Amy Abel's pet dog-faced puffer fish, Snoop, was covered in white spots. A couple of aquarium shops said it was ich, but the usual treatment of raising the tank to 83–85 degrees only made Snoop worse. Abel ordered a microscope, took a sample and uploaded the photos and videos to Gemini. It first said to consult a professional, so Abel told it to just analyze the picture anyway. Gemini said it wasn't ich and pointed to Uronema and Epistylis, which thrive in warm water, so raising the temperature makes them worse. After finding more videos confirming it, Abel slowly lowered the temperature, did a 90% water change and started antibiotics; within two days Snoop was 'a completely different fish.'
Evidence: Described by posterThe person describes what happened in words, without screenshots or video.
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- by Amy Abel (AmyAbelSQL.com)
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https://amyabelsql.com/2026/04/11/how-ai-saved-my-puffer-fish/
Context: Abel says not to trust AI blindly and checked Gemini's answer against other videos before changing the treatment.
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