Caribbean Biotope Seagrass Tank

Those are beautiful pics! They look like something a diver would get with an underwater camera. I have a single royal gramma in my seahorse tank but I can certainly see the harem appeal.
 
Oh wow, thanks guys! They are pretty cool aren't they?

Update on the behind the wall gramma. I was able to pull the wall out a smidge. Sure enough, she came out. Then she went back in! I guess she sees it as her cave. Hopefully, she'll find a better place in the future.
 
Whew! Going from 4 fish to 12 is a bit of change! So much to watch! The wife even likes them.

After observing the rogue gramma, I'm thinking it may be a male, or just a female who's not sure she wants to join the harem. It has mingled a little, but returns to the bright side of the tank. I wonder if it was changing to male, if it could go back to female. It's a bit of a soap opera.

The grammas, in general, are venturing out from the wall more and more. I love the way they swim! The swift current keeps them busy, but it appears almost effortless for them-and so natural looking.
 
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I love this one! It sort of conveys the constant motion this little guy is in.


The tang is eating more and more of the local flora. He's starting to realize he owns the place. He zips around, making sure everyone is in line.

The gramma that was behind the wall, let's call her Wallenia, is gradually venturing out more. She was getting picked on a little, but I think she'll get integrated. Tough fish. It was stuck behind the wall for two days.

So, my rating for KP Aquatics, is first rate! They got me eight fish in a snow storm, when I ordered seven. All eight are in excellent health, and that makes me very happy. Acclimating eight fish is a bit stressful, but everything went smoothly!

The bennies are holding their own. They conduct master classes in feeding efficiency for all the 'new guys'. One of the grammas has been hanging around the barnacle shells, even going in one and chillin'.

One of the cool things about doing a biotope, is knowing that the fish I'm keeping together, really could encounter each other in nature. It looks 'righter' to me than a random collection of fish from all over the world. I never really cared that much for biotopes. Now that I'm keeping one, I find it a much richer experience, figuring out how it all fits together. Fascinating!
 
Michael, you're a biotope legend.

Everything is looking great and has really come together! Looking forward to seeing the tank and its inhabitants as they progress.
 
Whew, Sam! You making' me ego trippin'! Now I can die, a legend, in the high-stakes world of Biotopists…

Thanks for the kind words. It's fun, this brotherhood of geeks, talking about our science projects. I love how we all support and root for each other! What a great group. We're the Super Science Friends!
 
Yeah,I started dosing vinegar a few days after I set it back up.Yes I do run a skimmer for export of the excess.


3D,
Help me understand your signature about Seagrass being Mother Natures process to dose organic carbon. Yes, I use vinegar in my macro lagoons to dose organic carbon. I emulate nature in as many ways that I can. I would also say that CO2 gas exchange at the water air interface is another organic carbon exchange mechanism. I am not a chemist but as a marine engineer with 40 years of reef keeping. I have a working knowledge of these bio-chemical processes,
 
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Quite an interesting thread, particularly in the first section as you researched sand bed fluid mechanics and biochemistry. I do not think that you will get concert proof one way or another.

The tank looks great. Sorry, I did not read the complete thread. Could you provide a full tank shot picture.
 
Seagrass and macro lagoons are the nursery to the ocean. I really like what you have done with this theme tank. Very neat the way you manufactured the root system of your mangrove tree.
 
Thanks, McPuff. I've been working on taking better pics. The key for me is to take a lot of them, import them to my computer, delete most of them, and edit the rest. I'll shoot 100 pics in a session, to get around 5 worthy of posting.

The tang is doing well. He seems pretty happy, the way he zips around the tank. I like the look of multiple grammas too. The harem thing is similar to schooling behavior, which is like the holy grail of captive fish behavior for me, but a little different. We'll see how it goes, but I think harem keeping is more sustainable over time.
 
Thanks, nawilson89. I think they're happy too!

The whole idea of building a tank that tries to approximate the conditions best suited to the fish kept, is a good one, I think. Really, the whole inspiration for the foam wall with the plastic bottle caves, came from reading about royal grammmas. The phrase that stuck in my head was, "grammas like vertical walls with caves and overhangs". And since I had planned to use little to no live rock, I knew I had to come up with some alternative to accommodate them, or not keep grammas.

I have another harem planned for this tank too. Cherub Angels!
 
Thank you and welcome, Subsea. Glad you like the theme!

The fake mangrove root project is what took me down the rabbit hole of 'manufacturing' elements for the tank. I wanted to hide a Tunze Classic powerhead. I'm a big advocate of no visible plumbing, gadgets, tubes or wires in our displays. I looked but couldn't find anything on the market that would work. So I built one.
 
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