Description Pacific lamprey

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pacific lamprey digging nest (redd)



pacific lampreys passing through bonneville dam


pacific lampreys grow 80 cm (31 in) adults. anadromous , semelparous. have slender, elongated bodies 2 dorsal fins arising far on body. anal fins rudimentary , lower lobe of caudal fin larger upper lobe , both lobes continuous dorsal fin , anal fin. adults living in sea bluish-black or greenish colour above , pale below, in fresh water brown. species distinguished having 3 (or two) sharp teeth on supraoral bar above mouth , 3 sharp points on each lateral plate.








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