Migration characteristics and properties of fish
鱼类的洄游是鱼类运动的一种特殊形式,它与一般运动截然不同。一般的运动都是条件反射运动,常是由外界的刺激所引起的运动。洄游···
Fish have accompanied humans for more than 5,000 years and have formed an indissoluble bond with humans. They have become extremely important food and ornamental pets in human daily life.
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鱼类的洄游是鱼类运动的一种特殊形式,它与一般运动截然不同。一般的运动都是条件反射运动,常是由外界的刺激所引起的运动。洄游···
Tentaxis refers to the directional action response of animals under unidirectional environmental stimulation. For exampl···
In addition to their protective colors, some fish also have body shapes that resemble The surrounding environment is ver···
The defensive behaviors introduced in the above two sections all refer to actions taken by individual fish, and defensiv···
Secondary defense behavior mainly manifests itself in 5 forms, including: 1. Retreat: Retreat is the most common and bas···
There are three forms of fish’s inherent defensive behavior, including: 1. Hidden life: living in caves or crevices. Fo···
In the living environment of fish, there are various physical and chemical factors that affect their survival, and there···
Fish face interspecific and intraspecific competition during the feeding process. Different species in the same habitat ···
Any animal, in order to survive, must obtain food and defend itself from enemies. Attack and defense are a set of interd···
The colors of some fish species vary significantly from juvenile to adult fish, depending on their individual developmen···
Some fish have different colors among different individuals of the same species. The color of sea trout in British river···
In the natural environment, most fish have special colors and patterns, or their body color is consistent with the surro···
The colors on the body surface of fish are the richest, most colorful, and the most charming in the animal world, far ex···
Another manifestation of the phenomenon of ecological adaptation of an organism is that it imitates another organism in ···
When the environment changes or when fish are moved to a new environment, the fish will gradually induce a physiological···
In order to survive, any living thing often increases its chances of survival and reproduction through changes in its be···
Whether it is species diversity or genetic diversity, they are all contained in ecosystem diversity. Our country has a v···
Species are the basic form of life and the basic unit of biological communities in the ecosystem. Therefore, the species···
Genetic polymorphism manifested by intraspecific individual heterogeneity should be one of the important contents of bio···
In 1980, Academician Cao Wenxuan questioned the concept of fauna complex at the annual academic meeting of the Chinese I···
Nikolsky proposed the concept of floristic complex in "Fish of the Heilongjiang Basin" (1960). The fauna complex refers ···
The division of geographical distribution of animals has always been one of the central issues that ichthyologists are c···
my country has a vast territory and is located in the southeastern part of the Palearctic zoogeographic zone and the nor···
The statistical results in different works at different times vary greatly. According to rough statistics from the recen···