this post was submitted on 26 Jan 2026
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update: Jimmyhats rather than regular hats off to @LongMember69@lemmy.world(considering their username), who has identified the fish!

I saw these guys in the same group of three in the same spot many times, but I can't identify them or find them on a list anywhere.

The closest kind of looked like a blue sapphire damselfish, three spot chromis or three spot damselfish, but if anyone has an idea what they might be instead, please let me know.

Snall, maybe 6-8cm, round body, shorter in length to height ratio than most fish from tip to tail, looked like a very bright solid blue across the body, I thought there was an actual black outline along the edge of the fish was but it's difficult to tell, and I didn't see any identifying colors on the tail or fins.

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[–] LongMember69@lemmy.world 2 points 4 days ago (1 children)

Might be Hawaiian domino damselfish. They like hanging out near coral, in groups about 10 - 15 ft down. Their faces remind me of pugs.

https://en.wikipedia.org/wiki/Dascyllus_albisella

[–] bitofarambler@crazypeople.online 1 points 4 days ago* (last edited 4 days ago) (1 children)

Oh DANG! thank you, I think you nailed it. Jeez, I looked through a 1300+ reef fish list with pictures and couldn't find 'em but that really looks like them. I know my picture isn't very clear, but I remember them clearly.

How did you find them?

Hawaiian domino damselfish.

[–] LongMember69@lemmy.world 1 points 3 days ago (1 children)

They’re one of my favorites!

Very cool, I agree that they're uniquely interesting and really catch the eye, especially with that outline.

Thanks again!