Characoidei suborder has more than 1,200 fish species of 14 families, living mostly in South America and the tropics of Africa (about 20% of the species composition), several species are found in Central America and the Jurassic of North America. A characteristic feature for most species is the second dorsal fat fin at the tail. Haracinoid half-meter tiger fish or wolf fish with huge teeth are known to be dangerous to humans. And in tiny nanosomes, the mouth is so small that they are not always able to swallow the larva of a mosquito... Set of 18 color postcards. 1. Anostomy2. Red-nosed tetras; Neons-13. Hythessobricones4. Alastair5. Neon-2; Flashlight6. Leporins7. Moenkausia; Royal Tetras8. Mecherot; Coinfish9. Nanosomes10. Citarin11. Haracin-112. Clinobruhye; Lebias13. Semaprohilod; Ternetia14. Haracin-215. Astianaxes; Tetragonopterus16. Piranhas17. Rare haracinoid18. Phantoms