Anybody Know What This Is?

[dwashbur]

We have found several of these, most of them a good 6" or so long and at least 2-3" across. It's not a cucumber of any kind, doesn't appear to be a worm, basically, we haven't found any experts so far who have any idea. Does anybody here know?

 

[rhlee]

looks like a fat innkeeper worm to me...

was this on a night dive?

 

[dwashbur]

No, we've seen them mostly during the day. What's a fat innkeeper worm? Do you have a scientific name and maybe reference? Thanks!

 

[MO Diver]

Fat Innkeeper Worm

 

[micboucher]

I always wondered what was in those holes...now I know. Thanks!

 

[cmburch]

Monterey Bay Aquarium: Online Field Guide


Easy to find Elkhorn Slough low tide mud flats