Fresh

Any animal, in order to survive, must obtain food and defend itself from enemies. Attack and defense are a set of interdependent behaviors that exist in pairs. ···...

The colors of some fish species vary significantly from juvenile to adult fish, depending on their individual development stages and habitats. For example, the ···...

Some fish have different colors among different individuals of the same species. The color of sea trout in British rivers is closely related to the surrounding ···...

In the natural environment, most fish have special colors and patterns, or their body color is consistent with the surrounding environment, to hide themselves, ···...

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···...

Another manifestation of the phenomenon of ecological adaptation of an organism is that it imitates another organism in terms of shape, behavior and other chara···...

When the environment changes or when fish are moved to a new environment, the fish will gradually induce a physiological adaptation process under the new enviro···...

In order to survive, any living thing often increases its chances of survival and reproduction through changes in its behavior, physiology or structure during t···...

Whether it is species diversity or genetic diversity, they are all contained in ecosystem diversity. Our country has a vast land and rich resources, and diverse···...

Species are the basic form of life and the basic unit of biological communities in the ecosystem. Therefore, the species diversity of the community is the decis···...

Genetic polymorphism manifested by intraspecific individual heterogeneity should be one of the important contents of biological diversity. As early as the 1940s···...

In 1980, Academician Cao Wenxuan questioned the concept of fauna complex at the annual academic meeting of the Chinese Ichthyology Society, believing that it ha···...

Nikolsky proposed the concept of floristic complex in "Fish of the Heilongjiang Basin" (1960). The fauna complex refers to a group of animals (fish) that have a···...

The division of geographical distribution of animals has always been one of the central issues that ichthyologists are concerned about. Various division methods···...

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···...

The statistical results in different works at different times vary greatly. According to rough statistics from the recently published "Chinese Vertebrate Encycl···...

Our understanding of China's freshwater fishes has gone through a process of continuous recognition and summary from perceptual to rational, then back to realit···...

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···...

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 o···...