Timfish Posted November 17, 2016 Share Posted November 17, 2016 Thought this was a good example of how clones react differently. Through a comedy of errors this system had only a 4' BML super actinic for three weeks while a suitable replacement was found for a 5' BML 12K fixture that died. These 5 teal w/ pink tip BTAs are all of the same clone line from a single BTA added several years ago. There's also brown and rose BTAs in this system but none of them had much of an issue with it. Link to comment Share on other sites More sharing options...
Gig 'em @ NDstructible Posted November 17, 2016 Share Posted November 17, 2016 I noticed the same thing while I was keeping a friends tank that had 17 RBTAs in it that were all clones. Some were a bit bleached, some were tiny, some were huge, some had more bubbled tips than others. Sure seemed random. Could just be a combination of perfect light and flow vs not having that. Link to comment Share on other sites More sharing options...
Timfish Posted November 18, 2016 Author Share Posted November 18, 2016 Water flow and light availability certainly are important but food is going to trump both of those. This tank has 20 BTAs but only half a dozen fish and the anemonies are not fed so for the most part they've stopped growing and splitting. It's intrigueing the ones that bleached were the smaller ones. If you haven't seen these papers they're pretty interesting. https://www.researchgate.net/publication/222096719_Phosphate_excretion_by_anemonefish_and_uptake_by_giant_sea_anemones_Demand_outstrips_supply http://www.tandfonline.com/doi/abs/10.1080/10236240500057929 Link to comment Share on other sites More sharing options...
saltwater snoopy Posted November 18, 2016 Share Posted November 18, 2016 interesting, but still above my present skill set an knowledge, hope to be able to follow it better someday, i got the jest but still made my brain hurt lol, reminds me of when i was a kid an reading Dana's text of mineralogy dont know if ill ever get that far with this stuff, : ) but hope to have fun trying Sent from my SGH-M919 using Tapatalk Link to comment Share on other sites More sharing options...
Timfish Posted November 18, 2016 Author Share Posted November 18, 2016 Don't feel bad or overwhelmed. Or maybe it's better to say get used to feeling overwhelmed, I've had too. Trying to figure out why my simple approach to reef keeping has been so successful for so long when my parameters don't fall in the "acceptable" range according to many "gurus" has been a real eye opener. What's going on in our systems is way over all of our heads. It certainly contradicted some of my original beliefs to see ammonia is in fact an important source of food for corals and anemonies. Our tests are woefully inadequite and we can't test for many critical things like organic nitrogen, organic phosphate, the different forms of DOC being released by algae and corals, the Fv/Fm number for zooxanthellae that tells us if they are healthy or not, the number of zooxanthellae which directly effects the amount of beneficial mucus a coral makes and the amount of coloring proteins, and we're not touching what sponges are doing yet. Link to comment Share on other sites More sharing options...
Bpb Posted November 30, 2016 Share Posted November 30, 2016 Note taken...don't feed my BTA and it will continue to not split and not get humongous. Deal Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Timfish Posted November 30, 2016 Author Share Posted November 30, 2016 Note taken...don't feed my BTA and it will continue to not split and not get humongous. Deal Sent from my iPhone using Tapatalk Honest, at some point they'll run out of food and stop! Link to comment Share on other sites More sharing options...
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