What Type Of Fish Hooks Were Used Before Metal in the USA

Other early fishhooks were made of wood, animal and human bone, horn, shells, stone, bronze, iron and even composite materials to combine positive properties of each material. Modern steel hooks appeared for the first time in 17th century although some people used wood, for instance, to make fish hooks until 1950s. What were the first…

Can Fish Live Under The Earth in the USA

Cavefish or cave fish is a generic term for fresh and brackish water fish adapted to life in caves and other underground habitats. Related terms are subterranean fish, troglomorphic fish, troglobitic fish, stygobitic fish, phreatic fish and hypogean fish. What is underground fish? The Gollum snakehead, the first subterranean snakehead. Photo by VK Anoop. Globally,…

Can Fish Kill A Dog in the USA

Salmon poisoning disease is a potentially fatal condition seen in only dogs after they eat certain types of raw fish, like salmon and other anadromous fish (fish that swim upstream to breed), that are infected with a parasite called Nanophyetus salmincola. It’s this microorganism that causes salmon poisoning. What fish are toxic to dogs? Types…

Can Fish Hear Well in the USA

Although they have ears, many fish may not hear very well. Most fish have sensitive receptors that form the lateral line system, which detects gentle currents and vibrations, and senses the motion of nearby fish and prey. Can fish hear you? They also use their senses to detect changes in the water’s vibrations to find…