Reproductive System 10. (2) They are identifiable by their eel-like body with dark olive or brown-yellow coloring on the top and sides, and a lighter color on the belly. Sharp teeth and suction cup mouth. The lake sturgeon … Asked in Biology What is the function and Adaptation for lamprey? Several special adaptations are' to be found in sea lampreys that make possible 'the parasitic feeding habit-anextremely rare behavior among vertebrates. What is adaptation of lamprey?

Other lampreys, such as the brook lamprey (Lampetra planeri), also spend their entire lives in fresh water. Description & Behavior. Description of Lamprey 2. A notable example is a landlocked race of the sea lamprey (Petromyzon marinus).

They are easily identified by the wide oral disc (‘sucker’) in place of their mouth, which is filled with … Outstanding among these struc­ tural features are the buccal glands and their secretion, the rasping tongue, and the oral sucking disk. C24 bile alcohols, PZS and 3k-PZS, have been …
They have … The same native fish species prized by anglers, and that are such an important part of the natural ecosystem of the lake.

Body Wall and Muscles 4. Singular morphological and physiological aspects of these organs and the results of their action on host fishes make up the … Sea lamprey also feed on other fish species, including lake whitefish, walleye, northern pike, burbot, and lake sturgeon. Sea lamprey is known to synthesize unique 5α-bile acids and 5α-bile alcohols: allocholic acid (ACA) and its derivative 3-dehydro-ACA (3k-ACA) , petromyzonol sulfate (PZS) and its derivative 3-dehydro-PZS (3k-PZS) , petromyzonsterol disulfate (PSDS), and petromyzonamine disulfate (PADS) .


They are aquatic, eel-shaped animals that spend a major part of their life as filter-feeding larvae called … Related Questions . ADVERTISEMENTS: In this article we will discuss about:- 1.

We analyzed their concentrations throughout life stages. Sea lampreys grow up to 1.2 m in length, weighing up to 2.5 kg. They are … Wiki User 2011-12-14 15:36:00.

(1) The Sea Lamprey scientifically called Petromyzon marinus is a parasitic type of Lamprey which is found in the Northern Hemisphere. This form entered the Great Lakes of North America and, because of its parasitic habits, had a disastrous killing influence on lake trout and other commercially valuable fishes before control measures were devised. Digestive System 5. Special efforts are being taken to prevent the proliferation of this parasite so that the fishing economy can be saved. Nervous System 9. Blood Vascular System 7.

Metamorphosis. Excretory System 8.

External Features of Lamprey 3.