Ok, update on the fish.
1 betta - Cable
2 red wag platy - Barney and Mr. Slate
2 sun burst platy - Garfield and Fred
2 blue ram - Leggo and Eggo
5 neon tetras - ???
3 black tetras - the three stooges
2 rummy nose fish - Tango and Cash
3 black phantoms - Huey, Luey, and Duey
1 cory cat - Jimmy
5 amano shrimp - ???
2 crystal red shrimp - Lucky and His brother
2 Red Cherry shrimp - ???
2 bumble bee goby's - Rocco and Rambo
3 Glofish - Sunflower, Pinky, and the brain
1 oto - Johnny
2 sucker glass catfish - Poo and Nanny (my wife came up with that one
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Many of the fish that you have need to be in larger numbers to exhibit more natural behavior. I'm assuming that you know that platies should have a male:female ratio of 1:at least 2, preferably 3 or 4. The tetras and glowfish (I'm assuming it's that altered zebra danio) should be in groups of at least 5, preferably 6 to upwards of 10 or more if you can manage it. The corydoras should be in groups of at least 5 as does the otoclinus (oto). The bumble bee gobies are also a social fish, if memory serves. The shrimp are also social creatures, though I am not as familar with inverts. The lower numbers can contribute to unusual behavior patterns and fish bullying. That may by an explaination for some of your losses.
Your tank is rather young, and I won't say it's overstocked. I'm a huge overstocker myself, but when my tanks are young, I tend to leave things alone (plantwise) and focus primarily on keeping the water clean by doing large water changes, sometimes more than once a week. I also tend to plant first, add fish later, though I have had my share of major upheavals and rescapes with a fully-stocked tank. Once they are used to your regimen, the fish prove to be quite resiliant.
Another quick question, though, are those pygmys with the betta or are they by themselves? They do best in a very peaceful community with similar-sized fish or by themselves. They are at their best in a large school, around 12 or so fish.
I'm sorry, I'm being such a pain, but sometimes in our zeal for plants, we have to remember that we must not neglect the needs of our fish.
Good luck to you and a good start.
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I'll be watching this tank with interest.