Snail ID?

May 24, 2026

Dolphin2409

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Hi

Any idea what this is?

It’s in the sandbed and is about the size of a finger nail. I have seen them on the glass also

20260524_130024_37ED610E-89C2-4C51-953F-5C0116145A42.png

May 24, 2026

56longroof

2500 Club Member

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Stomatella

May 24, 2026

Dolphin2409

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Thanks very much. I appreciate it

May 24, 2026

Dolphin2409

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I knew I had black stomatellas. Took this video today of one spawning.

May 24, 2026

kevgib67

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Looks to me to be a chiton.

May 24, 2026

EricR

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Pictures of the top/back shell?
From bottom, I would guess chiton also.
*maybe limpet but looks too elongated

WHICH TYPE OF MISTAKE TAUGHT YOU YOUR MOST EXPENSIVE REEFKEEPING LESSON?

Moving too quickly or adding too much at once
Votes: 10 32.3%
Skipping—or shortening—quarantine or dipping
Votes: 5 16.1%
Buying the wrong equipment the first time
Votes: 5 16.1%
Ignoring maintenance, warning signs, or redundancy
Votes: 10 32.3%
Chasing numbers or making too many changes
Votes: 3 9.7%
Choosing incompatible fish, corals, or invertebrates
Votes: 5 16.1%
Poor aquascaping or tank-design decisions
Votes: 2 6.5%
Failing to research an animal’s needs
Votes: 1 3.2%
Trusting bad advice
Votes: 4 12.9%
Doing something on the tank when you should've gone to bed
Votes: 5 16.1%
Something else—tell us below
Votes: 4 12.9%
I’m still waiting for my first expensive lesson!
Votes: 3 9.7%

Snail ID?

Dolphin2409

Active Member

56longroof

2500 Club Member

Dolphin2409

Active Member

Dolphin2409

Active Member

kevgib67

10K Club member

EricR

2500 Club Member

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WHICH TYPE OF MISTAKE TAUGHT YOU YOUR MOST EXPENSIVE REEFKEEPING LESSON?

Moving too quickly or adding too much at once

Skipping—or shortening—quarantine or dipping

Buying the wrong equipment the first time

Ignoring maintenance, warning signs, or redundancy

Chasing numbers or making too many changes

Choosing incompatible fish, corals, or invertebrates

Poor aquascaping or tank-design decisions

Failing to research an animal’s needs

Trusting bad advice

Doing something on the tank when you should've gone to bed

Something else—tell us below

I’m still waiting for my first expensive lesson!

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