Body Fat Condition in Northeast Atlantic Fin Whales, Balaenoptera physalus, and Its Relationship with Reproduction and Food Resource
Abstract
Measurements of body girth, blubber thickness, and the lipid content of blubber, muscle, and visceral fat of Icelandic fin whales (Balaenoptera physalus) showed a consistent pattern of body fat condition for each sexual class in all years between 1977 and 1982, with pregnant and anoestrous females being fattest. There was a trend of increasing body fatness between 1977 and 1982 which is supported by data on oil production from the catch. Parallel to this was an apparent increase in food abundance and whale fecundity.
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Body condition is a useful indicator of foraging success and health in whales.
“Body condition is a useful indicator of foraging success and health in whales (Lockyer, 1986;George et al., 2015;Pettis et al., 2017;Stewart et al., 2021).”
From Update on the status of gray whales since the 2020 Implementation Review (2024) · cites this paper as Lockyer, 1986
Cites
A RAPID METHOD OF TOTAL LIPID EXTRACTION AND PURIFICATION
Bligh, E. G., & Dyer, W. J. (1959) · Canadian Journal of Biochemistry and Physiology · doi:10.1139/o59-099 · Cited by 54,751 · see citing works
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Update on the status of gray whales since the 2020 Implementation Review
Scordino, J., Bickham, J. W., Brandon, J. R., Brownell, R. L., Burdin, A., Doniol-Valcroze, T., Eguchi, T., Givens, G. H., Lang, A. R., Litovka, D. I., et al. (2024) · J. Cetacean Res. Manage. · doi:10.47536/jcrm.v25i1.942 · Cited by 2 · see citing works
- Authors
- Lockyer, C.
- Corresponding author
- Lockyer, Christina
- ORCID
- Lockyer, Christina
- Venue
- Canadian Journal of Fisheries and Aquatic Sciences
- Publisher
- Canadian Science Publishing
- Published
- 1986-01-01
- Volume
- 43
- Issue
- 1
- Pages
- 142-147
- ISSN
- 0706-652X (ISSN-L)
- 1205-7533
- OpenAlex
- W2053328224
- Cited by
- 150
- References
- 1
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 7 · 2023: 8 · 2022: 8 · 2021: 14 · 2020: 13 · 2019: 7 · 2018: 7 · 2017: 3 · 2016: 6 · 2015: 6 · 2014: 3 · 2013: 5 · 2012: 5
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Canadian Journal of Fisheries and Aquatic Sciences (publishedVersion)
- Helmholtz Centre for Ocean Research Kiel (GEOMAR) (acceptedVersion)
- Topics
- Physical Sciences › Environmental Science › Ecology › Marine animal studies overview
- Physical Sciences › Environmental Science › Global and Planetary Change › Marine and fisheries research
- Physical Sciences › Environmental Science › Ecology › Avian ecology and behavior
- Keywords
- fin whale, blubber thickness, muscle fat, visceral fat, reproductive status, pregnancy, anestrus, food abundance, fecundity, body circumference, Northeast Atlantic
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