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Small anadromous Salvelinus malma at the southern limits of its distribution
Author(s) -
Morita K.,
Arai T.,
Kishi D.,
Tsuboi J.
Publication year - 2005
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.0022-1112.2005.00672.x
Subject(s) - salvelinus , fish migration , biology , otolith , fishery , ecology , zoology , fish <actinopterygii> , trout
Anadromy in the Dolly Varden Salvelinus malma at the southern limits of its distribution were examined by an intensive field survey and measurements of otolith Sr and Ca concentrations. Body sizes of anadromous individuals were small, only slightly larger than those of mature parr, and the degree of anadromy was extremely low.