40 Surprising Fish Facts
Did you know that Jellyfish and crayfish aren’t actually fish? Keep on reading to discover more about the colorful and beautiful world of fishes.
1. Fish have gills that extract oxygen.
2. The biggest fish ever caught weighed 168 pounds.
3. There are around 30,000 known species of fish.
4. Fish have small brains as compared to other animals.
5. Tuna can swim at speeds of up to 70 kph.
6. A group of fish is called a school.
7. Jellyfish and crayfish aren’t actually fishes.
8. Triggerfish can swim backward.
9. The goldfish has no eyelids.
10. Most brands of lipstick contain fish scales.
11. Most fishes can taste without opening their mouths.
12. Herring fishes communicate through farts.
13. Lungfish can live out of water for several years.
14. The oldest known fish was an Australian lungfish.
15. White shark can raise their body temperature.
16. Fish use a variety of low-pitched sounds to communicate with each other.
17. Starfish do not have blood or a brain.
18. The jaw of the fish is not attached to its skull.
19. Every year hundreds of fishes rain from the sky in Yoro, Honduras and the event is called “Rain of Fish”.
20. Some fishes are able to change their sex.
21. Sharks are the only fishes with eyelids.
22. The biggest fish in the world is the giant whale shark.
23. The most poisonous fish in the world is the stone fish.
24. The fastest fish is the sailfish.
25. The slowest fish is the seahorse.
26. Some fish do not have scales, for example, Sharks.
27. The Puffer Fish contains tetrodotoxin, a deadly poison.
28. The mudskipper spends most of its time out of the water.
29. Anableps is a four-eyed fish that is able to see above and below water at the same time.
30. The catfish’s entire body is covered with taste buds.
31. The catfish has over 27,000 taste buds.
32. With bony skeletons, fishes were the first vertebrates to appear on Earth.
33. Goldfish can see Infrared radiation which is invisible to Human being.
34. There is a fish in Greenland that can eat polar bears.
35. Seahorses are the only fish that can swim upright.
36. Jellyfish have no backbones.
37. Baby fishes are called pups.
38. Lampreys and hagfish are the most primitive form of fish still living today.
39. There are at least 40 known species of flying fish.
