I have a few sweet water aquariums which host easy to use fish

LittleFun

Configuration:

• 20 liter Superfish aquarium
• air-filter
• heater

Plants:

• Amazon Frogbit (Limnobium laevigatum)
• Lilaeopsis novae-zelandiae

Inhabitants:

• Mickey Mouse Platy Fish (2m)
• Orange sakura shrimp (Neocaridina heteropoda var. Orange) (4x)
• Great pond snail (Lymnaea stagnalis) (50x)

BigFun

Configuration:

• 60 liter Ciano Aquarium Aqua 60 LED
• CF150 bio-filter
• heater

Plants:

• Amazon Frogbit (Limnobium laevigatum)
• Amazon Sword (Echinodorus Amazonicus) ​care guide
• Lilaeopsis novae-zelandiae
• Cabomba
• Elodea (dutch: waterpest)
• Creeping Jenny (Lysimachia) (dutch: penningkruid)

Inhabitants:

• Mickey Mouse Platy Fish (1m,3f)
• Clown Killifish (Pseudepiplatys annulatus) (3x) (dutch: tandkarper guinee)
• Red Rili Shrimp Neocaridina davidi var. 'Rili') (20x)
• Great pond snail (Lymnaea stagnalis) (50x)
• Rasbora xxx (8x)
• Rasbora xxx (1x)
• Bushymouth catfish (Ancistrus dolichopterus) (2x)