Article ID Journal Published Year Pages File Type
4549735 Journal of Sea Research 2014 6 Pages PDF
Abstract
Dynamic Energy Budget (DEB) theory is used to estimate maximum growth rates and age at maturity for two hagfish species, the Atlantic hagfish Myxine glutinosa and the Pacific hagfish Eptatretus stoutii. Neither direct measurements on growth nor aging methods are available for these species. Only limited information on, for example, length and mass at birth and at puberty, and on oxygen consumption versus mass is available. For the Atlantic hagfish, but not for the Pacific hagfish, estimated growth rates are much higher and estimated age at maturity is much lower than previously thought, which may have implications for fisheries management. Yet, whether or not these results are due to erroneous oxygen consumption measurements remains to be seen.
Related Topics
Physical Sciences and Engineering Earth and Planetary Sciences Oceanography
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