6 hours ago
Spiny dogfish blood contains a hormone long thought absent in sharks

What's happening
SignalsMonitor is following this as a technology story. Phys.org Breaking News is the outlet attached so far. The first report grouped here was at 16 Oct 2026, 19:00 UTC. The headline in use is “Spiny dogfish blood contains a hormone long thought absent in sharks”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
Cortisol is a hormone that helps humans and many other animals regulate their energy use and respond to changing conditions. For a long time, sharks and rays were believed to rely on a different steroid hormone for these functions, without producing cortisol themselves.
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by Phys.org Breaking News
Spiny dogfish blood contains a hormone long thought absent in sharks
Reported by 1 outlet
- Phys.org Breaking News
- Phys.org Breaking NewsSpiny dogfish blood contains a hormone long thought absent in sharks