Stable isotope analysis reveals ecological segregation in a bimodal size polymorphism in Arctic charr from Loch Tay, Scotland

• Published in: Journal of Fish Biology
• Main Authors: Adams, C., Fraser, D., McCarthy, I., Shields, S., Waldron, S., Alexander, G.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: 2003
• Subjects: SH Aquaculture. Fisheries. Angling; Arctic; Tay; Arctic charr; Salvelinus alpinus
• Online Access: https://eprints.gla.ac.uk/238/; https://doi.org/10.1046/j.1095-8649.2003.00044.x

The serendipitous discovery of a body-size dimorphism amongst the sexually mature Arctic charr Salvelinus alpinus of Loch Tay is described. Sexually mature Arctic charr, collected by gill netting on spawning areas, showed a clear and distinct bimodal size distribution with no overlap in fork length...