Something is eating my star fish, don't have any idea what it is. Any thoughts on what it could be? It ate a orange serpent and Red fromia. I did see a couple of asterina in my tank, could they be the problem?
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Not likely.Something is eating my star fish, don't have any idea what it is. Any thoughts on what it could be? It ate a orange serpent and Red fromia. I did see a couple of asterina in my tank, could they be the problem?
I have heard on very rare occasion of filefish attacking/eating starfish and brittle stars, so I suppose it’s possible it may be your culprit (that said, it doesn’t seem very likely from what I’ve seen, so if that’s your issue here, I’d be quite surprised):I have a file fish ,Red hawk clown fish, a couple of damsels, one brisle tooth tang, snow flake eel, a royal gramma, fire shrimp,dimond goby
Yeah, a lot of “sand-sifting starfish” species are actually predatory by nature, typically eating snails and/or bivalves (and sometimes other things too)Still very novice recently I had an issue. Had a brittle for 6 months and added 2 sand sifting stars. One of the sand sifters developed an appetite for snails and eventually ate my brittle. Nutrients bottomed out and he went savage.
I’ve heard they climb the glass when they’re looking for food and can’t find any in the sand bed.
Generally, people recommend large tanks and waiting until your tank is established before trying these (or pretty much any) sea stars, and the star survives on detritus in the tank. Unfortunately, even in a lot of these tanks, after they finish clearing the detritus from the sand, they typically starve.
My current advice to avoid the star staving - which may or may not help, I genuinely don't know at this point (it could take someone months to years of testing it to find out for certain, as sea stars can last months without food):
Target feed the star things like clam on half shell, oyster, mussel, scallop, etc. (bivalves); snail, whelk, conch, etc. (sea snail gastropods); and a good quality omnivore food (like LRS Reef Frenzy or Fertility Frenzy). These are - according to the best sources of information I can find - the sorts of foods sand sifting stars consume in the wild, and the star should swallow these foods whole if they aren't too big - you might need to experiment a bit with the size of the pieces offered to get it sized just right, but generally I'd say err on the smaller side.
If you decide to give it a shot, let me know how it goes, and keep me updated on the long term survival of the star!
I'd try something like clam, oyster, etc. and/or snail meat (you can find various frozen/live marine snails to try online, including conch meat, periwinkle snails, babylonian snails, etc.)
The quote below is specifically geared toward Astropecten spp. (predatory) sand sifting stars, but there is another genus of sand sifting stars called Archaster that is thought (importantly the diet was inferred, not studied in the research that this diet was pulled from) to be detritivorous (specifically, they are thought to be microphagous detritivores). I have heard but cannot confirm that Archaster spp. misidentified as Astropecten spp. may be more common in the hobby than actual Astropecten spp. are.
So, with this in mind:
- If your star is detritivorous (which may be a very big if), then you would likely want smaller foods than the suggested below (which is designed for predatory sand sifters). In this case, I'd suggest trying to mix something like TDO Chroma Boost into the sand for your stars to find.
- If your star is predatory (which may to our limited knowledge be possible at this point even if it is an Archaster sp.), then the below advice (and my advice above) is more likely to be useful.
- If your star is actually primarily a biofilm eater like Linckia spp. Protoreaster nodosus, etc. (which may also to our limited knowledge be possible for an Archaster sp.), then it's likely to die regardless of what you do or don't feed it at this point.