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

David Shiffman, Ph.D. 🦈 (@whysharksmatter.bsky.social) currently has 166,742 followers on Bluesky, gaining 1,084 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?

David Shiffman, Ph.D. 🦈 joined Bluesky in April 2023, making the account about 3 years old.

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

David Shiffman, Ph.D. 🦈 has published 115,541 posts on Bluesky, averaging about 98.8 posts per day over the account's lifetime.

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

@whysharksmatter.bsky.social does not currently show a Bluesky verification. Many real accounts on Bluesky are unverified, since verification is still rolling out.

David Shiffman, Ph.D. 🦈

@whysharksmatter.bsky.social

English EducationTier A

View on Bluesky

#399 worldwide #8 in Education #353 in English

Joined April 2023 (3 years on Bluesky)

Followers

167K

Growth (7d)

+1.1K

Following

1.5K

Posts

116K~98.8/day

Influence

851

Follower growth

2026-06-10+7.1K over 32 days2026-07-11

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) currently has 166,742 followers on Bluesky, gaining 1,084 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?: David Shiffman, Ph.D. 🦈 joined Bluesky in April 2023, making the account about 3 years old.
How many posts has David Shiffman, Ph.D. 🦈 published?: David Shiffman, Ph.D. 🦈 has published 115,541 posts on Bluesky, averaging about 98.8 posts per day over the account's lifetime.
Is David Shiffman, Ph.D. 🦈 verified on Bluesky?: @whysharksmatter.bsky.social does not currently show a Bluesky verification. Many real accounts on Bluesky are unverified, since verification is still rolling out.
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".