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Territorial Behaviour of Juvenile Atlantic Salmon (Salmo Salar L.)

Territorial Behaviour of Juvenile Atlantic Salmon (Salmo Salar L.) TERRITORIAL BEHAVIOUR OF JUVENILE ATLANTIC SALMON (SALMO SALAR L.) by MILES H. A. KEENLEYSIDE and FRED T. YAMAMOTO 1) (Fisheries Research Board of Canada, Biological Station, St. Andrews, N.B.) (With 12 Figures) (Rec. 3-V-1961) INTRODUCTION Canadian Atlantic salmon spawn in fresh water during late fall and early winter. The fertilized eggs are buried under several inches of gravel in shallow, swift-flowing reaches of rivers and streams. They incubate there for several months, the exact time depending mainly on the surrounding water temperature. After hatching, the young fish, or alevins, remain in the gravel for several more weeks, absorbing nutrients from their yolk sacs. Then at 2 to 3 cm. in length they gradually work their way up through the gravel to become free-swimming young fish called fry or underyearlings. The earliest fry can usually be found in eastern Canadian rivers by May or early June. After growing to about 5 cm. in length, the young salmon are usually called parr. When they have reached a length of about 10 to 12 cm., parr pass through a marked physiological and behavioral change during which they become adapted for life in salt water. They are then called smolts. This transformation occurs http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Territorial Behaviour of Juvenile Atlantic Salmon (Salmo Salar L.)

Behaviour , Volume 19 (1-2): 30 – Jan 1, 1962

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/156853961x00231
Publisher site
See Article on Publisher Site

Abstract

TERRITORIAL BEHAVIOUR OF JUVENILE ATLANTIC SALMON (SALMO SALAR L.) by MILES H. A. KEENLEYSIDE and FRED T. YAMAMOTO 1) (Fisheries Research Board of Canada, Biological Station, St. Andrews, N.B.) (With 12 Figures) (Rec. 3-V-1961) INTRODUCTION Canadian Atlantic salmon spawn in fresh water during late fall and early winter. The fertilized eggs are buried under several inches of gravel in shallow, swift-flowing reaches of rivers and streams. They incubate there for several months, the exact time depending mainly on the surrounding water temperature. After hatching, the young fish, or alevins, remain in the gravel for several more weeks, absorbing nutrients from their yolk sacs. Then at 2 to 3 cm. in length they gradually work their way up through the gravel to become free-swimming young fish called fry or underyearlings. The earliest fry can usually be found in eastern Canadian rivers by May or early June. After growing to about 5 cm. in length, the young salmon are usually called parr. When they have reached a length of about 10 to 12 cm., parr pass through a marked physiological and behavioral change during which they become adapted for life in salt water. They are then called smolts. This transformation occurs

Journal

BehaviourBrill

Published: Jan 1, 1962

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