Japaneseすみだ水族館【公式】 Twitter (X) stats, updated continuously. @Sumida_Aquarium has 262,020 followers and 7,888 posts on X. Account age: 12 years (joined October 2013).
Engagement
A typical post picks up 1.1K interactions against 262K followers, an engagement rate of 0.426%. Measured over 34 original posts, its engagement rate beats 85% of 6,874 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 22K times each, and 5.04% of those impressions turn into an interaction. That is about 8.45% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 34 original posts from a 30-day window, last computed on September 8, 2026. Recurring tags: #すみペン羽コレ, #いってらっしゃい朝日と夕日, #すみだ水族館.
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Follower growth
Bio
すみペンファンの皆さま(=羽毛さん)は「#羽毛さん日誌」をつけて投稿してね✨ 水族館から発信する、未来をつくるプロジェクト”AQTION!"https://t.co/h0dyRaBSv6
Notable followers
The biggest accounts in our directory following @Sumida_Aquarium.
Similar accounts
すみだ水族館【公式】 on Twitter (X) - frequently asked questions
- How many followers does すみだ水族館【公式】 have on X?
- すみだ水族館【公式】 (@Sumida_Aquarium) has 262,020 followers on X (Twitter). The count is refreshed continuously from public data.
- When did すみだ水族館【公式】 join X, and how old is the account?
- すみだ水族館【公式】 joined X in October 2013. The @Sumida_Aquarium account is 12 years old. Searches for すみだ水族館【公式】 age often mean a personal age, which we do not publish. The figure here is the account age only.
- How many posts has すみだ水族館【公式】 published?
- すみだ水族館【公式】 has published 7,888 posts on X. That is about 1.7 posts per day over the life of the account.
- Is すみだ水族館【公式】 verified on X?
- Yes. すみだ水族館【公式】 is verified on X with a blue checkmark (X Premium).