Tiny derasas grow fast
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Daniel@R2R
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My Tank Thread
Awesome!!
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That’s awesome! They are fairly fast growers and hardy clams absolutely love them!
I would note that derasas prefer as sandy lose substrate to a solid rock
I would note that derasas prefer as sandy lose substrate to a solid rock
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dansyr
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Yeah I'm a fan of derasas (tridacnids in general)! My other derasa just hit 5", grown from ~2" in about 18 months, they are rewarding for sure.
Agreed on sand, my other derasa is in sand bed tank but that system's going through a couple issues for now so this little guy is in my bare-bottom acrylic for now. Didn't want him attaching to BB and having to deal with cutting byssal threads as i imagine it'll still be a bit before this guy is ready to trust its weight. This was mostly a rescue-buy from petco, it was clearly starting to suffer from the lack of light and I figured it would prefer continued life on rubble for a couple months until I pass it off to someone else or figure out a long-term solution for it..
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Well it definitely sounds like you are on top of it all! Keep it up and keep up posted on the clams/tank love seeing it!
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dansyr
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For sure! Thanks for being a fellow clam enthusiast!
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dansyr
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Impressive! I've never had a Deresa before given my tank real-estate challenge but no doubt will stock one soon. I currently have a Teardrop but it's not growing as fast, which is a good thing.
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dansyr
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Par was 330-350 in early august, I slightly bumped down because I had bleached a couple corals higher up so don’t know exactly what it’s at now. Probably still around or slightly above 300. Oh and for anecdotes this guys never seen phyto since I got it. I like phyto for tanks in general but this tiny guy is clearly growing fast and happy without it.
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dansyr
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Teardrops are beautiful, nice score. I mean, I have my “big” derasa which is 5” in a 20L tank and this lil guy is in a 5gal. So I’m sure you got room haha. Aren’t you a big tank /big carpet anemone guy? You could squeeze in a derasa or two. Actually a Hippopus among Haddonis would be a great look.
The teardrop is in the 150g SPS tank, sitting on a 4” tile so I can move it anywhere (attached image). However, there is no more room for a Deresa there.
The carpet nems in the 93g move around a lot and I’m afraid they might kill these clams. The big 450g tank is Angel-dominated so clams might get massacred in less than a day.
Therefore, I’m literally out of options!
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minus9
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Cool, these little guys grow fast when they are this small.
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dansyr
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That noae is awesome! And yeah angels in a tank does limit things. Carpets and hippopus might still be pretty compatible in a tank though, since they don't really do mantle extension, a hippo would need to get sat on / swallowed (or shaded but thats solvable).The teardrop is in the 150g SPS tank, sitting on a 4” tile so I can move it anywhere (attached image). However, there is no more room for a Deresa there.
The carpet nems in the 93g move around a lot and I’m afraid they might kill these clams. The big 450g tank is Angel-dominated so clams might get massacred in less than a day.
Therefore, I’m literally out of options!
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