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Old 10/07/2020, 09:17 PM   #1526
Michael Hoaster
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OK, let's wait and see.

For now, this ecosystem-in-a-box is cruising along. It's a bit bushy, with all the feather caulerpa.

Looking forward, I find myself considering adding an herbivorous fish to crop the macros back. I've done this before, in the previous version of this tank (v1). I got a juvenile, yellow phase Atlantic Blue Tang, named Mr. Zippy. He gradually grazed the macros down to almost nothing, before I removed him. I thought I might have gotten more time if I had let the tank get overgrown first. So, if I try this again I will attempt to do that.

Of key importance is will I like the look of the tank with the macros mostly gone? With new real estate available for colonization, I can focus on other cool encrusting life forms, like sea squirts and sponges. Overall, it'll look pretty different! Probably kinda stark at first. I did want the seagrass to dominate the tank visually. This would accomplish that.

Considering possible future sponges steers me away from pygmy angelfish, and towards a tang, perhaps.


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As many naturalists and environmentalists have suggested, we should set aside our arrogance,
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Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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Old 10/08/2020, 04:43 AM   #1527
vlangel
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I am really pleased with the tomini tang. Of course Tommy, (the name I gave the tomini tang) has not been in the display long enough for me to know just how his grazing is going to ultimately effect my macro algae. He does not even look at the red halimeda and I doubt he would bother codium. I have some feather caulerpa up high near the overflow and nems and he has not bothered it as of yet but when he has the nuisance algae gone that could change. Also I am heavily feeding frozen green food like emerald entree, spiralina enriched brine shrimp and formula 2 so Tommy is getting a lot of greens in his diet. Since most of my other fish are herbivores or omnivores I can do that. Anyway, I will keep you up to date as to how Tommy's addition to my display effects my macro algae in it.


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And God said, Let the waters bring forth abundantly the moving creature that hath life, ...and God sawthat it was good. Genesis 1:20 - 21

Current Tank Info: A 56 gallon high nutrient macro algae/coral reef that overflows into a basement 30 gallon seahorse macro algae fuge that overflows into a 20 gallon sump
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Old 10/08/2020, 06:25 AM   #1528
ThePurple12
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I had bad experience with tangs, at least a yellow tang. As soon as I added it to the tank, it started mowing down the shoal grass! It would have eaten it all if I hadn't caught it. I don't know if it's most tangs, just the yellow tang species, or if it was just a rogue tang. Or maybe tangs will eat shoal grass, but not the thicker manatee grass?


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Old 10/08/2020, 10:43 PM   #1529
Michael Hoaster
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Good luck with Tommy! I think he'll leave your macros alone. I've been looking at the bristletooth tangs myself lately, and I believe they prefer detritus and micro algae. Good idea to get him on the veggie fish food, so he doesn't get any ideas.


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As many naturalists and environmentalists have suggested, we should set aside our arrogance,
our desire to conquer and control everything, and walk hand in hand with Mother Nature. -Walter Adey

Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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Old 10/08/2020, 11:03 PM   #1530
Michael Hoaster
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I remember you posting about your yellow tang eating your grasses, ThePurple12. I don't think they're supposed to do that. Seagrass is too fibrous. Isn't their preference filamentous algae? Maybe the shoal grass was the closest thing available?

I'm glad you brought it up again, because I've considered one for my tank. I've got a smorgasbord of algae, but would it go after my seagrass after that? I agree that the manatee grass is a good bit more substantial than the shoal grass, so maybe it would be fine.

I'd like to find a fish that eats most macro and micro algae, but not Manatee grass or sponges. Ah research…


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As many naturalists and environmentalists have suggested, we should set aside our arrogance,
our desire to conquer and control everything, and walk hand in hand with Mother Nature. -Walter Adey

Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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Old 10/09/2020, 03:36 PM   #1531
ThePurple12
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If that was a "defective" yellow tang, it's great news for me, that way I can get another one! I'll probably try a different species just in case. I'll be interested to see how it goes with you, whatever fish you choose.


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Old 10/16/2020, 10:34 PM   #1532
Michael Hoaster
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I'm tempted to get another Atlantic Blue Tang. The yellow juveniles are gorgeous! It's also fun to see them change color over time. Eats Caulerpa.

On the other hand, it's fun to try something new. Of the Bristletooth Tangs, the Whitetail looks amazing and costs a lot. These fish also have a yellow juvenile phase, but their adult coloring is also striking. These eat detritus, which might be a good addition.

Now that Yellow Tangs are being captive bred, I should get one of those. But since their diet is mostly filamentous algae, they might ignore the caulerpa, which would be bad. I need whatever I get to LOVE Caulerpa.


__________________
As many naturalists and environmentalists have suggested, we should set aside our arrogance,
our desire to conquer and control everything, and walk hand in hand with Mother Nature. -Walter Adey

Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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Old 10/18/2020, 12:19 PM   #1533
vlangel
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Hey Michael, my new tomini tang likes caulerpa. I am bringing caulerpa up from the fuge and putting some in my display to offer my tomini real greens in addition to the frozen that I offer. He might have eaten even more if I did not offer so much frozen.

I can not vouch that it would not eat seagrass however since he does not have access in the display.


__________________
And God said, Let the waters bring forth abundantly the moving creature that hath life, ...and God sawthat it was good. Genesis 1:20 - 21

Current Tank Info: A 56 gallon high nutrient macro algae/coral reef that overflows into a basement 30 gallon seahorse macro algae fuge that overflows into a 20 gallon sump
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Old 10/18/2020, 01:26 PM   #1534
Michael Hoaster
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Good to know, thanks Dawn!


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As many naturalists and environmentalists have suggested, we should set aside our arrogance,
our desire to conquer and control everything, and walk hand in hand with Mother Nature. -Walter Adey

Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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