Lethenteron kessleri (Kessler lamprey)

The Lethenteron Kessleri, also known as Kessler's Lamproy or Brunette Lamproy, is a fish that belongs to the Petromyzidae family. It is mainly known for its ability to live in soft waters and its elongated shape, similar to that of an eel.

The Lethenteron Kessleri has a slim and elongated body, with a flat and wide head. Its skin is generally brown or gray, with lighter spots on the back. The fish is about 30 centimeters long, although some specimens can reach up to 50 centimeters in length.

The Lethenteron Kessleri is mainly piscivore, that is to say that it feeds mainly on fish. He hunts, sliding silently into the shallow waters, where he uses his big mouth to capture his prey. Fish can also feed on crustaceans and molluscs, depending on what is available in its habitat.

The Lethenteron Kessleri is mainly found in the fresh waters of Eastern Europe and Asia, although it can also be found in parts of North America. He prefers fresh and shallow waters, such as lakes, rivers and marshes. Fish is capable of living in a wide range of conditions, including in healthy and not very oxygenated waters.

The Lethenteron Kessleri is considered a species threatened in certain regions, due to the destruction of its habitat and water pollution. Conservation efforts are underway to protect the species and preserve its natural habitat.