Fishes are living on earth for more than 450 million years, whereas mammals are living here only for 200 million years.
Still, 15,000 species of fishes are unidentified in the list of 27,000 fishes.
The list of fishes is high while comparing to all other species.
Sailfish, Swordfish, and marlin are the fastest fish in the ocean, which can run up to 70kmph
Rockfish can live over 200 years on earth, Rougheye Rockfish is the longest living fish on earth on the known list.
Only countable species of sharks are threatening to humans. But over 360 species of sharks are living in the water world.
Single sunfish may lay 300,000,000 eggs at a single spawning season.
A male Bangaii Cardinalfish held both eggs and babies in its mouth, till it was ready to swim. This process is known as ‘mouth brooding’. This fish won’t take any food till it gets hatched.
Human beings have only 9000 taste buds, but catfish have more than 27000 taste buds.
African Lungfish can live up to two years, even without water. It undergoes the hibernation process.
The oldest goldfish ‘Goldie’ died in 2005 at 45 years of age. Goldfish can live for a decade.
The whale shark is the world’s largest fish and it is recorded as 12.6 m (41.5 ft) long, had a girth of 7 m (23 ft), and weighed more than 21,500 kg (47,300 lbs).
The whale shark’s egg is the largest egg of all animals It’s measured at 35.6cm long in the Gulf of Mexico in the 1950s.
The largest predator in sharks is the White shark. The largest one caught with the weight of 10,909kgs.
American Lobster takes approximately seven years to reach one pound of weight.
Pacific Giant Octopus is the largest octopus in the world. While it was born, it was in ea-size. It will be 9.1m in length and weight of 68.2 kg.
The giant squid is the backboneless, largest creature on earth. It can grow up to 16.8m and weigh up to 2,722kgs.
The giant squid has the largest eyes of all animals on earth. As it is sixteen times wider than human eyes or more than 30.5cm in diameter.
The spotted climbing perch absorbs oxygen from the air and can crawl over land using its strong pectoral fins.
Some fishes do not have sharks, it cannot afloat. These fishes run continuously or stay at the bottom of the ocean.
The lateral line is the special sense organ of fishes, it works like radar and helps them for navigation in dark or murky water.
After 1853, people were known that fishes can grow as indoor pets.
The first public aquarium was opened in London in 1853 and in 1856 a person from New York named it as the aquarium.
The Great Barrier Reef Aquarium in Queensland Australia is the world’s largest living reef aquarium with 2.5 million liter water.
The world’s tiniest fish in a Stout Infant is about 0.6cm long.
Leedsichthys problematicus is the world’s largest fish fossil found, which lived 150 million years ago, which was found in England in 2003 and measured about 22m long.
Cavefish have no sign, but it has the ability to detect movement and odor.
American Lobsters can live over 20 years, their life span is longer than dogs and cats.