izit 4 dwarf puffer fish can fit in a (17x15x11)cm(about 2 liters)tank??Any recommend??n what plant i need for them??(bt my recently fill with small leaves plants)
That is not a suitable environment for dwarf puffers. They need about 8 liters for each fish. So, you would need something around 30 liters at the minimum to properly care for these fish.
