Kessil

Dead cleaner shrimp?

Both of my skunk cleaner shimp died yesterday and I was wondering if BAR had any idea how this happened. I've had both of them for about 5 months before this happened. When I found them I tested my water and everything checks out okay.

20 gal tank.
temp: 80 f
sal.: 1.023 sg
ammonia: 0
nitrite: 0
nitrate: undetectable
10% water changes weekly.

I do have a 3 inch picasso trigger who was being cleaned regularly by both shrimps and one of the shrimp was missing the head and tail when I found it but I keep that guy EXTREMELY well fed and don't think he killed them initially but only to pick at the remains. I also have a harlequin shrimp who is still eating a sea star arm and is doing perfectly fine. Thoughts?
 
Hmmm well shrimp only have life spans of a couple years IIRC, and if you got it as an adult it could explain the short life... however if you had two the keeled over on the same day I would definitely thing something chemical got into things, or perhaps a fish that went crazy after them. It's really hard to tell, keep an eye on your other inverts, if they start dying one by one, could have some metal contamination or something.
 
How would the salinity be off? I've been keeping them in that salinity ever since I got them and they've been fine. I know that Steve at Lucky Ocean keeps his saltwater at 1.020 sg and everything I've bought from him has been really healthy.
 
Salinity would not be a problem in this case ...
But just like everyone else above mentioned; I'd be a little bit leery about that trigger, no matter how well fed he is.
 
Clowns? Clown fish or clown triggers?

Thanks guys. I really didn't want to blame the trigger but I guess thats how it is when it comes to food chains.
 
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