Fish Species. Best tropical fish species for beginners All are freshwater aquarium fish. The video also contains aquarium fish names along with fish pictures. Different fishes are shown which are hardy fishes and suitable for beginners. All fishes are suitable in tropical fish aquarium. Although different fishes are different in the aspect of their nature yet all the aquarium fish types need heated tank because all are tropical fish. This list of freshwater aquarium fish species are researched properly and the viewer can rely upon it. BUT do proper research before buying your fish. Thanks for Watching :) Comment any suggestions or queries :) SUBSCRIBE to the channel :)