#Actinopterygii
Live, measured metrics for the hashtag #Actinopterygii from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #actinopterygii
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-22 20:16 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-10-22 20:16 UTCNo related tags with measured usage found for #actinopterygii.
Live pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-22 20:16 UTCEverything below is measured over the latest 17 public posts (spanning ~31485 hours).
Posting hours (UTC) — busiest: 10:00
Languages: French (11) · English (4) · Finnish (1)
Avg boosts / post: 0.7
Top of the latest posts
Banded Archerfish (Toxotes jaculatrix) spotted at Sungei Buloh Wetland Reserve, Singapore on 22 Nov 2025. Common in mangroves, these fish are famous for spitting jets of water at prey to shoot them down. I've seen this once, and hope to get
4. Dans les #coraux du #Pacifique, vous pourrez voir vivre, parmi d'autres #poissons, la 🐠 #demoiselle des cornes de cerf. FERNEZ Jean-Luc, SUTOUR Jean-Michel in : #DORIS, 25/04/2026 : Amblyglyphidodon curacao (Bloch, 1787), https://doris.
https://inaturalist.org Observation of the Day for Jan 5, 2026: King-of-the-salmon [Actinopterygii], by user: tedjudah [via @inatrepostbot] https://www.inaturalist.org/observations/332805930 Monterey, CA, USA 2025-12-30T09:10:00-08:00 Credi
What “actinopterygii” means
WikipediaActinopterygii, members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that constitutes nearly 99% of the over 30,000 living species of fish. The vast majority of extant actinopterygian species are teleosts, and by species count they dominate the subphylum Vertebrata, comprising over 50% of all living vertebrates. They are the most abundant nektonic aquatic animals and are ubiquitous throughout freshwater, brackish and marine environments from the deep sea to
“Actinopterygii” on Wikipedia (CC BY-SA) →#actinopterygii across platforms
every network with a public tag surfaceFollow #actinopterygii straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/actinopterygii