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Anguilla japonica belongs to the order Anguilla, family Anguillaidae, and genus Anguilla. Also known as Japanese eel, commonly known as: white eel, blue eel, wind eel, eel. English name: Common eel. The body is slender and snake-shaped, with a maximum length of 1.3 meters
There are some small fish living in caves, well bottoms and other groundwater in many places around the world. These cave fishes have become a branch of the radiated evolution of fish due to their special living environment and unique structures adapted to that environment. For cave fishes, n
When most fish reproduce, they excrete their eggs from the body. The previous generation has already fulfilled its responsibilities to the offspring. As for whether they can survive and grow and develop safely, they can only let nature take its own course. Often this method of reproduction on
The colors on the body surface of fish are the richest, most colorful, and the most charming in the animal world, far exceeding those of insects and birds. When you walk into the fish aquarium, you will be dazzled by the colorful pictures, especially the tropical marine fish that shuttle amon
my country has a vast territory and is located in the southeastern part of the Palearctic zoogeographic zone and the northern part of the Oriental zoogeographic zone. It is the only country that spans two major regions among the six major zoogeographic zones in the world. Our country is locat
The formation of the earth has a history of 4.6 billion years. Initially, there was no life on the surface of the Earth. With the development and changes of the earth, certain substances on the earth's surface have gone through a long chemical process, and have differentiated and developed fr
Fish has accompanied mankind for more than five thousand years and has formed an indissoluble bond with mankind. It has become an extremely important food and ornamental pet in human daily life. But what animal is a "fish"? However, few people know how to define fish. With the development of
1. Fossils are the wealth of all mankindFossils are the remains, relics and relics of ancient life preserved in rocks after a long period of geological action. Paleontological fossils are precious records and wealth left to us by life in different periods of billions of years of Eart
Q1: Which mammals have the ability to fly? A: Flying squirrels of the order Rodentia, cat monkeys of the order Dermoptera, marsupial gliders and giant gliders of the order Marsupials, bats of the order Chiroptera, etc., but only bats have the ability to fly actively.Q2: How
Q1: What is the oldest bird in the world? A: So far, the oldest bird fossil found in the world is the Archaeopteryx fossil found in Solnhofen, Germany. Archaeopteryx lived on the Earth in the Late Jurassic period about 150 million years ago. Archaeopteryx has both bird and reptile characteristics.Q2
Q1: In what era did pterosaurs live? A: Pterosaurs originated in the Late Triassic about 220 million years ago and became extinct at the end of the Cretaceous 65 million years ago. They successfully survived on Earth for 150 million years and flew into the sky about 70 million years ea
Q1: What was the first animal to conquer the blue sky? A: Insects are the first animals to acquire the ability to fly, and they are also the only invertebrates with the ability to fly.Q2: In which era did the world's oldest insects live? A: About 400 million yea
The first animal to fly on Earth was an ancient insect called Rhyniognatha hirsti 400 million years ago. The oldest insect fossil was discovered in the famous Rhynie Flint Formation (Scotland, Early Devonian Period of the Paleozoic Era, 396-407 million years ago): a wingless endognathous insect Rhyn
Calypte costae (Calypte costae) foreign name Costa' s Hummingbird, a native of the American continent and considered by ornithologists to be the most drought-adapted hummingbird, was officially introduced to the public by French ornithologists in 1839, It was named Costae in honor of the French
Scarlet hummingbird (scientific name: Calypte anna) foreign name Anna' s Hummingbird, no subspecies. The Latin scientific name is named after Anna Messena.Vermilion hummingbirds are not social birds, they are regional and will enter the area of their territory at any time, regardless of size. Th
According to expert statistics, there are nearly 60,000 species of plants and 2.5 million species of insects living in the Amazon rainforest. Not only that, there are also abundant bird species and various mammals, amphibians, reptiles, etc. in the Amazon rainforest. About one-fifth of the wo
Humans are the new generation of "Earth Overlords" after the dinosaurs, but the two appeared 58 million years apart. This is a long process, and many stories must have happened during this period. After the dinosaurs became extinct, what happened to the earth again? What did you experience? H
The earliest hypothesis about dinosaur mating positions was proposed by a scholar named Halstead in 1975. However, due to his understanding at the time, he believed that dinosaurs, like birds, did not have penises and adopted cloacal kissing. He proposed that the male dinosaur would wrap its