🐟 Amazing Fish Surgery Cases: Vet Guide 2025 🩺
By Dr Duncan Houston BVSc – Fish surgery—yes, for goldfish, koi, catfish, and more—is no longer science fiction. In this vet-reviewed 2025 retrospective, we explore seven remarkable cases: tumor removal, prosthetic implants, anatomical fixes, and critical interventions. Learn how aquatic vets safely anesthetize, operate, and rehabilitate fish—plus how the Ask A Vet app supports healing with remote check-ins and expert guidance.
1️⃣ Tumor Removal from Goldfish “George”
In Melbourne, Australian vet Dr Tristan Rich removed a malignant brain tumor from a 10‑year‑old goldfish named George. Using anesthetic water buckets and a gill‑oxygen line, the vet carefully extracted the tumor, applied tissue glue, administered antibiotics, and saw George swimming freely post‑op :contentReference[oaicite:3]{index=3}.
2️⃣ Prosthetic Eye for Rockfish
At Vancouver Aquarium, staff vets fitted a prosthetic eye to a yellowtail rockfish to improve its survival in a school. They stitched a glass eye on, reducing aggression from tankmates :contentReference[oaicite:4]{index=4}.
3️⃣ Jin “Mr. Hot Wing”: Plastic Jaw Brace
In Pennsylvania, “Mr. Hot Wing,” a goldfish born without a lower jaw, received a plastic prosthetic made from a credit card. The brace allowed him to eat and breathe properly, contributing to his survival :contentReference[oaicite:5]{index=5}.
4️⃣ Oranda “Trumpy”: Wen Trimming at UC Davis
UC Davis veterinarians removed 20% of Trumpy’s swollen wen, which impaired his swimming. The fish was anesthetized with MS-222 and supported via gill infusion. Post-treatment, Trumpy regained normal behavior and tank-mate interaction :contentReference[oaicite:6]{index=6}.
5️⃣ UK Goldfish “Eric”: Jaw Tumor Surgery
A 6‑in oranda, Eric was treated at Great Western Exotics in Swindon using transparent anesthesia baths and electronic cautery. Once his jaw tumor was removed, he returned to normal eating behavior :contentReference[oaicite:7]{index=7}.
6️⃣ Constipation Relief in Goldfish
UK vet Faye Bethell performed a rare surgery to remove hard constipation material from a small goldfish’s colon and dorsal area. The delicate 50‑minute procedure succeeded via anesthetic buckets :contentReference[oaicite:8]{index=8}.
7️⃣ Secondary Brain Tumor in Goldfish Bubbles
In Melbourne again, Dr Rich removed a second brain tumor from goldfish “Bubbles,” employing a multi-bucket anesthetic method. Post-op care included antibiotics and oxygenated water :contentReference[oaicite:9]{index=9}.
🛠 Key Surgical Techniques & Protocols
- Water-based anesthesia: Fish vets commonly use MS‑222 (tricaine) or clove oil delivered via water baths and infusion tubes :contentReference[oaicite:10]{index=10}.
- Gill infusion systems: Closed-circuit rigs pump anesthetic oxygenated water over gills during surgery :contentReference[oaicite:11]{index=11}.
- Post‑surgery care: Recovery in clean water with oxygen; antibiotics, pain control, and frequent monitoring ensure smooth healing :contentReference[oaicite:12]{index=12}.
- Prosthetic fixes: From artificial eyes to jaw braces, tailored implants improve long‑term welfare :contentReference[oaicite:13]{index=13}.
🩺 Ask A Vet Telehealth: How It Helps
Telehealth enables aquarists to receive expert support post-surgery:
- Upload videos/photos of fish behavior, respiration, appetite, and healing wounds.
- Water parameter logs help vets ensure clean, therapeutic recovery conditions.
- Remote guidance on dosage, nutrition, and treatment adjustments during recovery.
- Educational resources: post-op care instructions, diet planning, and environmental recommendations.
✅ Vet-Approved Recommendations 2025
- Find an aquatic vet: Choose experienced professionals equipped for small-scale fish surgeries.
- Understand surgery triggers: Eye tumors, jaw masses, neuromas, swim-bladder issues may qualify.
- Pre-op conditioning: Stabilize water quality and nutrition before surgery.
- Provide post-op aid: Clean recovery tanks, tailored diet, water monitoring, and watch for complications.
- Use Ask A Vet: Facilitate follow‑up care via photos, video, and vet messaging.
- Celebrate resilience: Fish heal and regain quality of life—respecting their welfare through sensitive veterinary care.
🔗 About Ask A Vet & AquaCare Support
The Ask A Vet app offers 24/7 access to aquatic veterinarians skilled in fish surgery and recovery. Submit photos, videos, and recovery logs; receive guidance on wound care, anesthetic wash formulas, and follow-up protocols. AquaCare post-op kits include recovery tanks, balanced feeds, wound-safe antibiotics, and oxygen boosters. Download now to support your surgical cases with expert remote care in 2025! 🐠📱💙
This article is general veterinary education and does not diagnose or treat an individual animal. Always confirm medication names, doses and interactions with the veterinarian who knows your pet.
If your animal is struggling to breathe, collapsed, bleeding heavily, seizing, or has eaten something toxic, contact your vet or the nearest emergency clinic now.
Animal Poisons Helpline (AU) 1300 869 738 · Animal Poisons Helpline (NZ) 0800 869 738 · ASPCA Animal Poison Control (US) (888) 426-4435
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Ask A Vet articles are written by Dr Duncan Houston BVSc, a practising veterinarian, unless another author is named in the byline.




