Journal
JOURNAL OF FISH BIOLOGY
Volume 84, Issue 4, Pages 1063-1073Publisher
WILEY
DOI: 10.1111/jfb.12345
Keywords
stock identification; head morphology; fish body shape; Truss model; morphometric analysis
Categories
Funding
- 'Le rouget barbet de roche Mullus surmuletus en Manche orientale et mer du Nord' regional project [L. 1758]
Ask authors/readers for more resources
Truss analysis and length measurements were made on 168 striped red mullet Mullus surmuletus. Multivariate statistical analyses with principal component analysis and partial redundancy analysis (pRDA) were used on these measurements to evaluate the influence of maturity, sex and geographical area distribution on body shape. Truss measurements were important to quantify and discriminate changing body shape, presumably due to changing environmental conditions. Sexual dimorphism was not observed and juveniles could be distinguished from adults based on their body shape. More importantly, M. surmuletus occurring in different geographical areas could be differentiated using this method. Based on pRDA, a significant difference of head morphological dimensions was observed between populations occurring in the eastern English Channel and those occurring in the Bay of Biscay, suggesting that fish from these areas could represent two subpopulations.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available