No support for Heincke's law in hagfish (Myxinidae): lack of an association between body size and the depth of species occurrence

This study tests for interspecific evidence of Heincke's law among hagfishes and advances the field of research on body size and depth of occurrence in fishes by including a phylogenetic correction and by examining depth in four ways: maximum depth, minimum depth, mean depth of recorded specime...

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Bibliographic Details
Published in:Journal of fish biology 2017-08, Vol.91 (2), p.545-557
Main Authors: Schumacher, E. L., Owens, B. D., Uyeno, T. A., Clark, A. J., Reece, J. S.
Format: Article
Language:English
Subjects:
Animals
Behavior, Animal
Body Size
body size evolution
Depth
ecomorphology
Ecosystem
Hagfishes - anatomy & histology
Hagfishes - classification
Interspecific
Marine fishes
Myxinidae
phylogenetic inertia
phylogenetic signal
Phylogenetics
Phylogeny
Species
Yields
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Summary:This study tests for interspecific evidence of Heincke's law among hagfishes and advances the field of research on body size and depth of occurrence in fishes by including a phylogenetic correction and by examining depth in four ways: maximum depth, minimum depth, mean depth of recorded specimens and the average of maximum and minimum depths of occurrence. Results yield no evidence for Heincke's law in hagfishes, no phylogenetic signal for the depth at which species occur, but moderate to weak phylogenetic signal for body size, suggesting that phylogeny may play a role in determining body size in this group.
ISSN:0022-1112
1095-8649
DOI:10.1111/jfb.13361