Sea lamprey Petromyzon marinus: an exception to the rule of homing in anadromous fishes.

Biology Letters
John WaldmanIsaac Wirgin

Abstract

Anadromous fishes are believed to make regular circuits of migration in the sea before homing to their natal rivers. Sea lamprey Petromyzon marinus is an anadromous fish that is an exception to this life-history pattern. It also differs from other anadromous fishes in that its adult phase is parasitic, a feeding strategy that should make homing problematic for lamprey cohorts that become widely dispersed through transport by the diverse hosts they parasitize. We sequenced a portion of the mitochondrial DNA control region from sea lampreys collected from 11 North American east coast rivers to test for genetic evidence of homing. There were no significant differences (chi2=235.1, p=0.401) in haplotype frequencies among them, with almost 99 per cent of haplotypic diversity occurring within populations. These findings, together with concordant genetic results from other geographical regions and ancillary information on pheromonal communication, suggest that sea lamprey does not home but rather exhibits regional panmixia while using a novel 'suitable river' strategy to complete its life cycle.

Citations

Dec 31, 2010·Genetica·Mariana Pires de Campos TellesJosé Alexandre Felizola Diniz-Filho
Apr 30, 2015·Biological Reviews of the Cambridge Philosophical Society·Nolan N Bett, Scott G Hinch
Nov 27, 2015·Frontiers in Zoology·Tyler J BuchingerWeiming Li
Jan 6, 2015·Evolutionary Applications·Jon E HessShawn R Narum
Nov 8, 2011·Current Opinion in Neurobiology·Gheylen DaghfousRéjean Dubuc
Apr 9, 2015·Diseases of Aquatic Organisms·Claudia GérardEmilien Lasne
Aug 1, 2018·Proceedings of the National Academy of Sciences of the United States of America·Ke LiWeiming Li
Oct 29, 2020·Journal of Fish Biology·Marius DhamelincourtCédric Tentelier

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