How many followers does David Shiffman, Ph.D. 🦈 have on Bluesky?

David Shiffman, Ph.D. 🦈 (@whysharksmatter.bsky.social) has 171,113 followers on Bluesky. It gained 606 new followers in the last 7 days. The count is refreshed continuously from the public AT Protocol.

When did David Shiffman, Ph.D. 🦈 join Bluesky, and how old is the account?

David Shiffman, Ph.D. 🦈 joined Bluesky in April 2023. The @whysharksmatter.bsky.social account is 3 years old. Searches for David Shiffman, Ph.D. 🦈 age often mean a personal age, which we do not publish. The figure here is the account age only.

How many posts has David Shiffman, Ph.D. 🦈 published?

David Shiffman, Ph.D. 🦈 has published 116,323 posts on Bluesky. That is about 95.3 posts per day over the life of the account.

Is David Shiffman, Ph.D. 🦈 verified on Bluesky?

Yes. David Shiffman, Ph.D. 🦈 is verified on Bluesky through the AT Protocol verification system.

David Shiffman, Ph.D. 🦈 Bluesky Profile Stats

@whysharksmatter.bsky.social

English EducationTier A

View on Bluesky

#387 worldwide #8 in Education #343 in English

Account age: 3 years (joined April 2023)

David Shiffman, Ph.D. 🦈 Bluesky stats, updated continuously. @whysharksmatter.bsky.social has 171,113 followers and 116,323 posts on Bluesky. Account age: 3 years (joined April 2023).

Followers

171K

Growth (7d)

+606

Following

1.5K

Posts

116K~95.3/day

Influence

1.1K

Follower growth

2026-06-10+11K over 76 days2026-09-01

Bio

I am a marine conservation biologist studying sharks and a science writer. Posts are about science and the environment, science communication, and more! He/him

Notable followers

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David Shiffman, Ph.D. 🦈 on Bluesky - frequently asked questions

How many followers does David Shiffman, Ph.D. 🦈 have on Bluesky?: David Shiffman, Ph.D. 🦈 (@whysharksmatter.bsky.social) has 171,113 followers on Bluesky. It gained 606 new followers in the last 7 days. The count is refreshed continuously from the public AT Protocol.
When did David Shiffman, Ph.D. 🦈 join Bluesky, and how old is the account?: David Shiffman, Ph.D. 🦈 joined Bluesky in April 2023. The @whysharksmatter.bsky.social account is 3 years old. Searches for David Shiffman, Ph.D. 🦈 age often mean a personal age, which we do not publish. The figure here is the account age only.
How many posts has David Shiffman, Ph.D. 🦈 published?: David Shiffman, Ph.D. 🦈 has published 116,323 posts on Bluesky. That is about 95.3 posts per day over the life of the account.
Is David Shiffman, Ph.D. 🦈 verified on Bluesky?: Yes. David Shiffman, Ph.D. 🦈 is verified on Bluesky through the AT Protocol verification system.
What does David Shiffman, Ph.D. 🦈 post about?: David Shiffman, Ph.D. 🦈 is classified under Education in our directory. Bio: "I am a marine conservation biologist studying sharks and a science writer. Posts are about science and the environment, science communication, and more! He/him".