5 Incredible Fish Facts
Fish are some of the most understood animals in the world. Here are five incredible facts you probably didn't know about them!
Most fish have taste buds all over their body, including on their tails, fins and gills.
This means fish can taste food just by bumping into it and if it tastes favorable, they will consume it. Interesting right?
Although fish don’t sleep like mammals, research shows that fish may rest by reducing their activity and metabolism.
They have have sleep-like periods where they have lowered response to stimuli but they do not share the same changes in brain waves as humans do when they sleep. (NOAA)
Over 3.5 trillion fish live in the ocean and the number is constantly changing due to environmental changes, fishing, reproduction and predation. (World Atlas)
The oldest fishhook ever discovered was made of bone and dates back to about 42,000 years ago. (Live Science)
There’s approximately 32,000 different kinds of fish in the world, more than all other vertebrates combined and scientists are often discovering new species in the vast ocean. (Animal Sake)