I suspect murder. Of the two I have left one is v dominant (more confident, gets to food first) I guess they have figured out the pecking order
They won't eat dried food. I culture Daphnia and grindal worms for mine. They like frozen bloodworm . Mine hide most of the time but come out at...
a lot of the plants that we keep in the aquarium are very happy growing emersed. they like it as they have direct access to CO2.
pennywort does very well emersed and will flower. dwarf hairgrass does too, loves it. it's actually not natural for them to be underwater all the time.
I use a 15 watt seedling mat to heat 10 litres. It heats the water to five degrees above room temp. I won't need it on in the summer. you just have to try it, much depends on the ambient temperature. it's not a lot of heat, you won't fry your fish the way you would if an aquarium heater got...
I just let them die by themselves. They go quite fast ime. Make sure he has somewhere to rest I've been poisoned myself and I don't think it's a a comfortable experience. Hard to tell without asking the fish.
Yes I keep low/ no tech planted tanks with no filter or artificial light. .They do have a heater or I keep them on a heat mat for the live stock. They do better than my tech tanks tbh.no algae
I do change the water though. I aI'm for 25% weekly.