Molas that live in the ocean lay the most eggs! A fish can lay more than 300 million eggs! A male living in the deep sea? ? ? ? Fish is a real fish "lazy man". Because this kind of fish is very rare and lives alone in different places, it is not easy to find a partner. Once you find the right person, Xiong? ? ? ? Will not hesitate to bite the teeth into the soft parts of the female body, attach to the wife, and become an organic whole. The common tissue rejection will not help them to be inseparable. In this way, the male fish becomes a "lazy man" attached to the female fish, and its various organs are degraded, even the digestive system and other organs are completely abandoned, and only its reproductive organ function remains as before. All the oxygen and nutrients necessary for its survival are obtained from the blood of female fish. At this time, this lazy guy simply became a "vampire" without food.
The stone fish found in the tropical sea of the Indian Ocean-Pacific Ocean has the largest poisonous gland, and its fin spine contains toxins, which will kill people if they touch it.
Among more than 30,000 kinds of fish, swordfish is the champion in swimming speed. Sailfish gallop like an arrow in the vast sea area, swimming at a speed of 120 km per hour, three or four times faster than the speed of a ship. If the sea route from Tianjin to Shanghai 1300 kilometers, swordfish can swim the whole distance in 10 hours.
Its fish's mouth is like a sword, which can quickly separate the water to both sides; The dorsal fin is born strangely, and it stands up and spreads like a sail on a ship. When it swims, it puts down its dorsal fin to reduce resistance. The tail handle is particularly thin and muscular, and it swings very powerfully, like a propeller of a ship. The characteristics of this kind of body structure are valuable conditions for it to create the highest swimming speed record of fish.