Book lampreys can only suck, not bite. https://repiuk.nl/new/#pid=_1033311.jpg
On Sun, 19 Mar 2023 at 12:59, Alan C <c...@lantic.net> wrote: > I did some research. Lampreys have a very unusual lifecycle - egg, > larva, adult & then die immediately after procreating for the first > time. The big difference between the species is the larval stage which > can last from 2 to 10 years. The life cycle of the brook lamprey is very > short. Their larvae feed on algae & rubbish before transforming into > sexually mature adults. The digestive tract of all adults quickly > becomes degenerate so they can no longer feed in the normal way. The > larger species like the river lampreys which have specially adapted > mouthparts become parasitic & are able to survive a few more years on a > blood diet. Eventually, they too perish after procreation. Parasitism of > humans has been recorded but is uncommon. > > Alan C > > On 19-Mar-23 09:06 AM, Toine wrote: > > That would be river lampreys, this is a brook lamprey they dont migrate > or > > feed on fish. > > > > On Sun, 19 Mar 2023, 04:28 Alan C, <c...@lantic.net> wrote: > > > >> Ugh! Draculas of the fish world. The St. Lawrence Seaway gave Lampreys > >> access to the Great Lakes where they decimated the fish. > >> > >> Alan C > >> > >> On 18-Mar-23 10:28 PM, Toine wrote: > >>> eeThis fish is very rare and if present an indication of water > quality. I > >> had > >>> the opportunity to see them because they were just being counted. > >>> > >>> https://repiuk.nl/new/_1033255/ > >>> > >>> Lumix G9, Leica 12-60 > >>> > >>> Toine > >>> -- > >>> %(real_name)s Pentax-Discuss Mail List > >>> To unsubscribe send an email to pdml-le...@pdml.net > >>> to UNSUBSCRIBE from the PDML, please visit the link directly above and > >> follow the directions. > >> -- > >> %(real_name)s Pentax-Discuss Mail List > >> To unsubscribe send an email to pdml-le...@pdml.net > >> to UNSUBSCRIBE from the PDML, please visit the link directly above and > >> follow the directions. > >> > > -- > > %(real_name)s Pentax-Discuss Mail List > > To unsubscribe send an email to pdml-le...@pdml.net > > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > -- > %(real_name)s Pentax-Discuss Mail List > To unsubscribe send an email to pdml-le...@pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. -- %(real_name)s Pentax-Discuss Mail List To unsubscribe send an email to pdml-le...@pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
