11 Random Fish Facts | amazing facts about Fishes

Fish facts by Examsegg 1. Shark cannot see, they are very sensitive to sound. 2. A female mackerel lays about 500,000 eggs at one time. 3. The heart of a blue whale is as big as a car 4. Dolphins can swim 37 miles per hour (60 kilometers per hour). 5. A Blue Whale can eat as much as 3 tones of food everyday, but at the same time can live without food for 6 months. 6. Due to the natural “momentum” of the ocean, saltwater fish cannot swim backwards. 7. Dolphins sleep with 1 eye open. 8. Sharks are immune to disease i.e. they do not suffer from any Disease. 9. Catfish are the only animals that naturally have an odd number of whiskers. 10. The blue whale tongue is as long as an elephant. 11. Every dolphin has its own signature whistle to distinguish it from other dolphins