Dwarf puffer setup

[Sushi]

Hello

After years of having no aqúariums I am back to fishkeeping. I completely forgot about Carinotetraodon travancoricus, but I had them 15 years ago before we moved to our new house. I sold all my tanks and all my fish and completely forgot about the hobby. I used to be a member of the dwarfpuffer forum and helped the owner Jeremy Read fend off spam bots (I was a programmer back then). I hope Jeremy is alive and well? I remember I had a small tank back then, with 4 puffers and 2 otos and they absolutely thrived in a jungle setup and the pea puffers even bred.

Now, I am looking to get a shallow aquarium, originally I considered Blau 44L (around 60x36x20) but now leaning towards 80L (62x36x36cm) with a small group of 6 pea puffers and 4-6 or so otos. It will be an open tank. I am a bit worried if the pea puffers jump, so I might go for the 80L, any experience with jumpers? I will lower the water level at least 10-15 cm - I have semi submerged plants that needs to go in so a lid is not an option.

I intend run it with at least 2213 eheim classic filter.

[Pufferpunk]

Mine are in a 29g with no top. So far, no jumpers.