Morphological characteristics of Arctic charr, Salvelinus alpinus (L. 1758) from the Hornsund area of Vest Spitsbergen

• Published in: Acta Ichthyologica et Piscatoria
• Main Author: T. Heese
• Format: Article in Journal/Newspaper
• Language: English
• Published: Pensoft Publishers 1993
• Subjects: Aquaculture. Fisheries. Angling; SH1-691; Arctic; Hornsund; Arctic charr; Salvelinus alpinus; Spitsbergen
• Online Access: https://doi.org/10.3750/AIP1993.23.S.03; https://doaj.org/article/a968e541507c4441aa3d798518a0df9c

Morphological characteristics of Arctic charr (Salvelinus alpinus) are presented. Meristic and plastic characters were treated statistically. Males and females were found to differ in 8 plastic characters, all related to head structure and fin length. Males had more massive and longer jaws and a longer snout as well as longer pectoral, ventral, and dorsal fins. The mean arch gill raker and pyloric caeca counts in the population studied are 26.42 and 37.76, respectively. The Spitsbergen Arctic charr is regarded as a typical form of Salvelinus alpinus (L.).