Invert ID Please?

milkmood · Dec 6, 2011

This was in or near La Jolla in about 25fsw in or around the middle of October.

I thought an abalone at first, but it didn't have a hard shell.

Surge was 4-6' that day so I only got the one good shot.

Image taken with my GoPro in time-lapse mode (doh!)

milkmood · Dec 6, 2011

Zoomed in, sharpened, and adjusted color with my fancy FBI software.

Akimbo · Dec 6, 2011

I have always heard them called keyhole limpets — but didn’t spend much time diving with biologists so don’t put money on it.

milkmood · Dec 6, 2011

That's a big limpet! My limited experience with limpets is that they're small, hard shelled and china-hat shaped. This thing was round on top, not pointed at all. Maybe it's just a nickname and not a true limpet.

Rainer · Dec 6, 2011

Indeed, it's a keyhole limpet. Pretty common in our local waters. Hope it was a nice dive!

milkmood · Dec 6, 2011

So is it a true limpet, or is that a nickname?

Was a good first dive in those waters. We came from AZ to dive, not used to surge LOL! None of that in our lakes. And any viz over 5' is considered very good!

Rainer · Dec 6, 2011

milkmood:
That's a big limpet! My limited experience with limpets is that they're small, hard shelled and china-hat shaped. This thing was round on top, not pointed at all. Maybe it's just a nickname and not a true limpet.

One might even say "giant": Megathura crenulata - Wikipedia, the free encyclopedia

milkmood · Dec 6, 2011

Thanks for the ID... megathura crenulata to be most specific. Limpet: Megathura crenulata, Giant Keyhole Limpet - Kevin Lee's Photos | SmugMug

milkmood · Dec 6, 2011

Yeah, what Rainer said :easy:

Invert ID Please?

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