In the deep sea of the earth, there are a large number of rare ancient creatures, such as frilled sharks, tadpole shrimp, horseshoe shrimp, seven-headed eels, coelacanths, horseshoe crabs, etc., some of them are even older than dinosaurs, because most of them live in the deep sea, human beings know very little about it, most species have not been recorded by humans.
Recently, Taitung Xingang fishing port "Jin Yongli" fishing boat caught a strange shark, it is 3.95 meters long, weighs 420 kilograms, black skin is very loose, the whole shark looks quite old, the nose is round and blunt, its dorsal fin is very backward, the most amazing thing is that conventionally sharks have 5 gill fissures, but this shark actually has 6.
Because of its rarity, local fishermen did not know what the species was, and finally under the identification of the Red Cloth Marine Life Research Center, it was finally determined that the shark was a gray six-gill shark, which is a very ancient biological species, even older than dinosaurs.
180 million years! What species is the Grey Sixgill Shark? Contrary to the theory of biological evolution
The grey sixgill shark is a fish of the family Hexopteridae/genus, larger in size, with a larger front half, large eyes, small nostrils and two jaws and teeth, and feeds on large bony and cartilaginous fish such as dolphins, flounder, flounder, cod, marine fish, lamprey, clair, and rayfish.
The grey sixgill shark inhabits a near- or outer benthic large shark on the outer edge of the continental shelf or island shelf slope, living at a depth of 180 m to 2000 m. Normally, the grey sixgill shark inhabits a bottom layer of about 2,000 meters, and will float to the upper layer to hunt prey when foraging at night.
Grey sixgill sharks often use short-range ambush tactics to prey, often stuck in the corners of the jaw by some small prey (due to the sparse teeth of the jaw), so when hunting, the gray sixgill shark does not directly swallow all the meat. However, the Grey Six-gill Shark will not attack a person unless the human has completely provoked it.
According to paleontologists, the grey sixgill shark is widely distributed around the world, and its common distribution is mainly in temperate and tropical seas, including the South China Sea, the East China Sea and parts of Taiwan on the mainland.
The grey sixgill shark species lived on Earth for 180 million years, and according to paleontologists' studies of fossils, the gray sixgill shark has barely evolved until now. It completely violates the logic of biological evolution.
There is "rape"! The grey six-gill shark has a strong reproductive ability
As an ancient biological population on the earth, the grey sixgill shark can live on the earth for nearly 180 million years, which fully shows that the breeding ability of the species is very strong to ensure the stability of the species population. Moreover, the grey six-gill shark has almost no evolution, which fully shows that the species is very adaptable to the environment and suitable for the current living environment.
So, how strong is the reproductive ability of the grey six-gill shark? Due to the poor human knowledge of the grey sixgill shark, paleogenists have made bold speculations about the reproduction of this species, in which females and males mate and court as deep-water habitats, and after successful fertilization, the males will move to shallow waters for childbirth.
The breeding of the grey sixgill shark belongs to the oviparous, the eggs hatch in the mother's body, so there is a huge difference in the number of geese that appear in the mother's body, according to speculation, the gray sixgill shark lays at least 22 to 108 cubs at a time. However, the grey six-gill shark has a longer gestation period, usually 1 to 2 years, and the number of calves born is about 60 to 75 cm long.
Although the grey sixgill shark is very strong in reproduction, due to its large size, it is indeed a very difficult thing to complete mating, it is understood that the gray sixgill shark in the process of mating, the male will gently grasp the female near the gills, pectoral fins and flanks, which can be proved from the seasonal appearance of scars on the female. Many netizens said that males have "violent" behavior.
In short, the 420-kilogram grey six-gill shark salvaged by Taiwanese fishermen is of great significance for paleontological research, after all, human understanding of it is too little, and the population of this species is completely unknown. We have too much information about the grey six-gill shark that we don't know, and we hope to find the answer from the captured gray sixgill shark.