# Scientists Discover the First-Ever Contagious Cancer in Fish

> **Open Intelligence Dossier** · First detected: 2026-07-22 18:07 UTC · Category: Science

## Executive Summary
3 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"Scientists Discover the First-Ever Contagious Cancer in Fish" is generating significant coverage in the Science category, with 3 articles from 3 distinct sources tracked by PULSE so far.


Outlets currently covering the story include University of Vermont, NPR and Science Media Centre España. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Nature | Brown bullhead catfish melanoma represents a novel transmissible cancer | [Source Link](https://news.google.com/rss/articles/CBMiX0FVX3lxTE1tdEVfRldXODg0bHBaT1BWRFdmUVF1cG4wVGJyTDdwRnpId0ZhSU1iTmZrYldvVmIyMjJNYk5CQTcteHJjbDdTWFhMb3M4a2hRbldpdGQxMmRUSkN6bGdR?oc=5) |
| University of Vermont | More Like Parasites Than Tumors: Vermont Scientists Discover Transmissible Cancer in Catfish | [Source Link](https://news.google.com/rss/articles/CBMisAFBVV95cUxNTzF2ME0wZ0F4UDY2TUpkbGlpM3hXSThDOFBqcE1fLWd5UHAxc2sxVGdLSFl4ZjQ2V3VjR1EtLXVQRXpoZFZ0dEhNdXVYVHNoSkg3VnJMY2RXZ2JROHo3bkJ6b0lDZXVwS0dfRmpaMVhqLThMVmVrc1JpYVdPdExtQ0UxbkxmdERXaDJrX0xpd09uUWJIb0JHNW5PcjJNeW9NSGlab0FYM3pPWktVYXU1Uw?oc=5) |
| NPR | A strange transmissible cancer is spreading through the catfish in this lake | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxNRHBiSWpGOW50YUc4VG5nU1V4RnA2NUdfZ2Nyazc4NXR6dnlTNno2X1dwcVFhYUczclR5c2dsTVJrZUp3ZlQ4TDFxMnVXS3doMWp1QVJwNzBkYnJMWXBMeGJfdzVHRlJJR0d5Mk13bnFwQUNCR0E4RXFMYXh5TllraHdMdW5rMUpYQUR3U0lzRGI5Rkk?oc=5) |
| Science Media Centre España | A transmissible melanoma-type cancer has been discovered in fish, the fourth known contagious tumor among animals | [Source Link](https://news.google.com/rss/articles/CBMixwFBVV95cUxNRkl4cUZxdnhDT2N5UkFUNEVjejEzdG5hQml2YmRvTzRyLU05Z0xycFFDbFNfamx5YW9RUGxuRU9HeVlOSU1MQVdlWmFFeHQwdWpUV0hPNElaS01sYVdFejFfQ3ZNOWU4eENqc2xQM0hJcl9Db0dkMWp5bHNpSHFrY0t6VkVORGJZYkgyY0ttZEsxYnh6UzdBdzhJZlU1WUpva2dOSFQtZTJpSWhzNjhEa2NBT3B6MXNpTC1kQnhpVEo3dkRTYlBZ?oc=5) |

---
*Canonical Source: https://pulse.byoviral.com/trend/2026-07-22/scientists-discover-the-first-ever-contagious-cancer-in-fish*