Sample no IEE 15070003 description: ammocoetes of Lethenteron
  camtschaticum (TILESIUS, 1811) (PETROMYZONTIDAE, PETROMYZONTIFORMES) from
  Malaya Khuzi River (Sakhalin)

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Abstract

Paper provides biological description of both males and females of Arctic lamprey, Lethenteron camtschaticum ammocoetes from one of Sakhalin rivers, Malaya Khuzi. It briefly describes stages of development of the larvae gonads and cases of infantilism and transverse.

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Variations of life history strategy of the arctic lamprey Lethenteron camtschaticum from the Utkholok River (Western Kamchatka)

A. V. Kucheryavyi, K. Savvaitova, D S Pavlov … (2007)

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Redescription of the Far Eastern brook lamprey Lethenteron reissneri (Dybowski, 1869) (Petromyzontidae)

Claude B. Renaud, Alexander Naseka (2015)

Abstract Nonparasitic Lethenteron reissneri (Dybowski) is redescribed based on four syntypes (two adults and two ammocoetes) from the Onon and Ingoda rivers, Russia, and 15 topotypic specimens (seven metamorphosing ammocoetes and eight ammocoetes) from the Onon River system, Russia and Mongolia. Posterial teeth were not mentioned in the original description, but Berg (1931) stated that they were sometimes absent, which he later (Berg 1948) changed to usually absent, based on material (some of which we have re-identified as parasitic Lethenteron camtschaticum ) from far outside of the type locality. The latter view has been widely accepted by subsequent authors. Unfortunately, the poor condition of the two adult syntypes did not permit verification of this character. However, a row of posterials was clearly visible in six of the seven topotypic metamorphosing ammocoetes and indicates their usual presence in the species. The first full description of the ammocoetes, including pigmentation, is provided. The present study restricts the distribution of Lethenteron reissneri to the Shilka and Songhua river systems within the Amur River basin, until a more geographically comprehensive study is undertaken. Additionally, in this study, feeding versus non-feeding at the adult stage, are considered to be valid taxonomic characters at the species level.

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Publication date Created: 2015-12-11

Article

ArXiV ID: 1512.03675

SO-VID: 9a9103f8-e3b0-4262-abd7-544d047db0f5

License:

http://creativecommons.org/publicdomain/zero/1.0/

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ACM classes 92-06

Comments 8 pages, 1 table, 4 figures

Categories q-bio.PE

ScienceOpen disciplines: Evolutionary Biology

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ScienceOpen disciplines: Evolutionary Biology

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Sample no IEE 15070003 description: ammocoetes of Lethenteron camtschaticum (TILESIUS, 1811) (PETROMYZONTIDAE, PETROMYZONTIFORMES) from Malaya Khuzi River (Sakhalin)

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