What does shark mean?

shark (noun): A scaleless, predatory fish of the superorder Selachimorpha, with a cartilaginous skeleton and 5 to 7 gill slits on each side of its head. As a hashtag, #shark carries this topic across social platforms.

How popular is #shark?

#shark has no measured public activity on the open social web in the last 7 days. It is currently wide open.

What hashtags are related to #shark?

No related hashtags with measured usage were found for #shark.

How much does it cost to own #shark?

#shark is available as a #name from $1,129.43 per year. You can claim it by card at https://hashtag.org/checkout/portal-name?name=shark or with tokens on hashtag.space at https://hashtag.space/#shark.

#shark

Name: #shark — a #name on hashtag.org
Brand: hashtag.org
Price: 1129.43 USD
Availability: InStock

Live, measured metrics for the hashtag #shark from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #shark

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.

$1,129.43/ year · 5-character #name

Claim #shark — $1,129.43/yr→Buy on hashtag.space (web3)

card via hashtag.org · tokens via hashtag.space

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Uses / 7 days

Mastodon

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Accounts / 7 days

Mastodon

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Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-10-09 17:40 UTC

No measured public usage for #shark in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.

Related hashtags

measured · mastodon.social (Mastodon public search API) · fetched 2026-10-09 17:40 UTC

No related tags with measured usage found for #shark.

Live pulse

measured · Mastodon tag timeline · fetched 2026-10-09 17:40 UTC

No recent public posts found for #shark on Mastodon. Nothing measured, so nothing shown.

What “shark” means

Wiktionary · Wikipedia

shark/ʃɑːk/

nounA scaleless, predatory fish of the superorder Selachimorpha, with a cartilaginous skeleton and 5 to 7 gill slits on each side of its head.
verbTo fish for sharks.

Full entry on Wiktionary →

Sharks are a group of elasmobranch cartilaginous fishes characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side, and pectoral fins that are not fused to the head. Modern sharks are classified within the division Selachii and are the sister group to the Batomorphi. Some sources extend the term "shark" as an informal category including extinct members of Chondrichthyes with a shark-like morphology, such as hybodonts. Shark-like chondrichthyans such as Clado

“Shark” on Wikipedia (CC BY-SA) →

#shark across platforms

every network with a public tag surface

Follow #shark 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/shark