mine have done this, too. i always assumed it was some sort of mesenterial filament, but they're not attacking anything. anyway, it happens once in a while and then the filaments disappear. it's strange, but definitely not a sponge.
mine have done this, too. i always assumed it was some sort of mesenterial filament, but they're not attacking anything. anyway, it happens once in a while and then the filaments disappear. it's strange, but definitely not a sponge.