The vast majority of species of hemicrania are marine fish, and only a few of them belong to freshwater fish. In fact, the sole fish is a flounder. There are more than 500 species in the world, and they are different in many aspects. For example, their living environment is different. The vast majority of fish species live in the ocean and belong to marine fish. However, there are also a few species that live in fresh water. They are not sea fish, but freshwater fish. 1. Is the halibut a marine fish? The halibut is a kind of fish that we are all familiar with. They refer to many fishes in the order Haliotiformes. There are many species of fish, and there are more than 500 species of fish worldwide. These fish are not all the same, but they are different in many ways. For example, in terms of living environment, it is different, most of which are marine fish and live in the ocean. However, the specific distribution areas of different species are different, and the distribution depth is also different. Most of them live in shallow waters near the sea, and a few live in the depths of the ocean.

However, it should be noted that not all partial-mouth fish are marine fish. In addition to most of the fish that live in the ocean, some of them live in fresh water. Therefore, this small part of the fish is not a marine fish, but a freshwater fish. Compared with freshwater fish, freshwater fish is quite different from seawater fish.

Second, the fish is a deep-sea fish? As mentioned above, the fish contains more than 500 species, most of which are marine fish, and only a few are freshwater fish. The habits of these freshwater fish living in the ocean are not exactly the same, and the depth of the sea they inhabit is different. Most of them live in offshore areas, that is, in relatively shallow waters, which means that these marine fish are not deep-sea fish. There are also a small number of deep-sea fish that live in the depths of the ocean. Up to about 2000 meters in the deep sea, there are also some species of fish that live here.