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Change in allometric length–weight relationship of S almo trutta at emergence from the redd
Author(s) -
Nika N.
Publication year - 2013
Publication title -
journal of applied ichthyology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.392
H-Index - 62
eISSN - 1439-0426
pISSN - 0175-8659
DOI - 10.1111/jai.12008
Subject(s) - salmo , brown trout , allometry , biology , trout , fishery , ontogeny , life history , fish <actinopterygii> , ecology , genetics
Summary In their life cycle, especially at early life stages, fishes pass through distinct growth stanzas with different length‐weight relationship patterns. Salmonid fish fry emergence from the redd gravel is a crucial moment in their life history. This study presents an ontogenic change in allometric length–weight relationship scaling of sea trout S almo trutta at the time of emergence from the natural redds in a small lowland stream of western Lithuania. The paper also gives shrinkage rates and correction factors for emergent S almo trutta fry after protracted formalin preservation.