Can Fish Be In Shock

Shock in fish can be very dangerous, and in many cases, lethal to them. Whilst some fish will tolerate life outside of their optimal pH range, sudden changes in pH will send some fish into shock. Much like a sudden drop in temperature, large, quick changes in pH can be instantly lethal to fish. How…

Can Fish Live In Rivers

Nearly half of all fish species live in fresh water, which means they swim in the rivers, lakes, and wetlands that make up less than 3 percent of Earth’s water supply. Some species of freshwater fish, such as salmon and trout, are called anadromous. Are there fishes in rivers? Freshwater fish are those that spend…

Can Fish See Down in the USA

Most species of fish have eyes set on the sides of their heads. That means they do not have “binocular vision” as we do. Biologists believe that their depth perception is poor and most fish have a semi-blind spot straight ahead of them. Fish generally have excellent close-up vision, but poor distance vision. Can fish…