1. Fastest fish | Sail fish (Istiphorus platypterus): 109 km/hr |
2. Heaviest Bony Fish | Ocean sunfish is the heaviest largest ever recorded 2.28 tonnes |
3. Largest Fish (Meat Eating) | Great white shark (the man-eater). Average length up to 4.57 m. |
4. Largest fish (plankton eating) | Whale shark (Rhiniodon typus) Size: 18m weight: 39.5 tonnes |
5. Largest fresh water fish | Acipensor (Sturgeon) |
6. Largest group of bony fishes | Teleosts (Advanced ray finned fishes) |
7. Largest Indian carp | Catla (Theila) |
8. Largest sized shark | Rhinodon (21 m) |
9. Longest Bony Fish | Russian sturgeon (Beluga)- Length up to 8 m |
10. Most advanced fish | Lung fishes |
11. Most beautiful fish | Zebra fish (Brachydenio rerio) |
12. Most common food fish | Pomphret |
13. Most common type of caudal fin in bony fish | Homocercal |
14. Most dreadful shark | Great white shark |
15. Most Electric | Electric eel (found in South America). Can produce 400 to 500 volts. |
16. Most primitive fish | Climatius |
17. Most venomous fish | Stone fish (Synanceja verrucosa), (foundin Indian and Pacific Oceans). Poison carried in spines can cause a person's death within a few hours. Pupper fish (Tetradon) is also considered as most poisonous. |
18. Slowest fish | Dwarf Sea horse(Hippocampus zosterae): 16m/hr |
19. Smallest animal having vertebral column | Gobby fish (1/2 inch long) |
20. Smallest fish | Pygmy Goby (Pandaka pygmaea; 8-10 mm) |
21. Smallest shark | Pygmy shark |
22. Thickest skin among animals | Whale shark |