Hi im new to this site i need help with my fishes. Ive got a 38 litre tank and these are the fishes ive got in it : 1 lobster, 1 Silver tale shark, 2 fighters, 2 tetra, 4 barbs, 2 male guppies, 1 female guppies, 2 mollys, 4 dwafts gouramis, 1 baby green terror, 2 tiger barbs, 4 siamese fighters. Are they ok?