Hello there!
So, my tank is a 150litre tank with 1antenae Placo, 1 Mosaik placo, 1male dwarf gourami, 2swordtails and a ton of guppies ( due to reproduction, can't estemate how many, but at least 30+ Inc. Fry)
So I only had a big rock in the back which was the antenna placos territory and 5...