hi i was just wondering whether anyone could tell me how many fish i could get into a 54 litre tank, so far i have 1 adult platy and 3 baby platies, 2 honey gourami, 1 golden honey gourami, 1 harlequin, 1 guppy 1 red phantom tetra, 3 pearl danio's, 2 neon tetras, 2 rummy nose tetras, 1 common...