Fresh

The courtship behavior of marine fish is rarely seen, but in the reproductive process of sea dragons (also known as poplar fish) and seahorses, there is a compl···...

During the reproductive period of betta fish, the male fish is very colorful and has a process of courtship and nest building. Before spawning, the male fish fi···...

Fish, like other vertebrates, during the reproductive season, when male and female parent fish enter the spawning grounds, they often go through a process of es···...

Semi-migratory fish refer to the migration of freshwater fish from one type of water body to another type of water body in freshwater waters, as well as the mig···...

Songjiang perch is a fish that migrates short distances to the sea to spawn. Songjiang perch is distributed along the coasts of the Yellow Sea and the East Chin···...

Some fish that live in fresh water and migrate from fresh water to the ocean to spawn during their sexual maturity process migrate to the sea through rivers of ···...

The Chinese sturgeon is a famous upstream migration spawning fish in my country. Chinese sturgeons are distributed in the Yellow River, East China Sea and South···...

Lampreys are another example of anadromous fish that have unique spawning habits. Sexually mature lampreys begin their migration upstream in late spring and ear···...

Salmon is my country’s famous salmon. It usually lives in the waters north of 350N in the Pacific Ocean. They live in the ocean for 3-5 years. Every autumn, th···...

Some fish that live and grow in the ocean and enter rivers from the ocean to reproduce in fresh water after sexual maturity. After regular, long-distance, large···...

Due to its economic importance and regular occurrence, research on the migration of Atlantic herring has been carried out for decades, so the migration patterns···...

The surface of the ocean is very vast, and the difference between depth and depth is also very huge. Although each kind of fish has its own geographical distrib···...

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。洄游则是一些鱼类的主动、定期、定向、集群、具···...

Tentaxis refers to the directional action response of animals under unidirectional environmental stimulation. For example, fish move towards light (called posit···...

In addition to their protective colors, some fish also have body shapes that resemble The surrounding environment is very similar and becomes a true mimicry, wh···...

The defensive behaviors introduced in the above two sections all refer to actions taken by individual fish, and defensive behaviors can also be social behaviors···...

Secondary defense behavior mainly manifests itself in 5 forms, including: 1. Retreat: Retreat is the most common and basic secondary defense behavior. The first···...

There are three forms of fish’s inherent defensive behavior, including: 1. Hidden life: living in caves or crevices. For example, the bearded catfish hides in ···...

In the living environment of fish, there are various physical and chemical factors that affect their survival, and there are different animals and plants. In or···...

Fish face interspecific and intraspecific competition during the feeding process. Different species in the same habitat often feed on different objects to avoid···...