We expand the paper by Hanchet et al. (Hydrobiologia 761:397–414, 2015), published in Hydrobiologia, by elaborating upon neutral buoyancy, a critical aspect of Antarctic toothfish life history that was only briefly treated by those authors. Neutral buoyancy, although not common among adult notothenioid fish, is an attribute that expands the water column niche space of this species beyond that available to the bottom-dwelling toothfish that were emphasized in the review. Conversely, also not well covered in the review are the implications involved in the suspected absence of neutral buoyancy in the so-called post-spawning, fat-depleted “axe-handle” fish.
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Abrams, P. A., 2014. How precautionary is the policy governing the Ross Sea Antarctic toothfish (Dissostichus mawsoni) fishery? Antarctic Science 26: 3–13.
Ainley, D. G. & D. B. Siniff, 2009. The importance of Antarctic toothfish as prey of Weddell Seals in the Ross Sea: a review. Antarctic Science 21: 317–327.
Ainley, D. G., N. Nur, J. T. Eastman, G. Ballard, C. L. Parkinson, C. W. Evans & A. L. DeVries, 2013. Decadal trends in abundance, size and condition of Antarctic toothfish in McMurdo Sound, Antarctica, 1972–2011. Fish and Fisheries 14: 343–363.
Amsler, M. O., J. T. Eastman, K. E. Smith, J. B. McClintock, H. Singh, S. Thatje & R. B. Aronson, 2015. Zonation of demersal fishes off Anvers Island, western Antarctic Peninsula. Antarctic Science. doi:10.1017/S0954102015000462.
Ashford, J. R., B. A. Fach, A. I. Arkhipkin & C. M. Jones, 2012a. Testing early life connectivity supplying a marine fishery around the Falkland Islands. Fisheries Research 121–122: 144–152.
Ashford, J., M. Dinniman, C. Brooks, A. Andrews, E. Hofmann, G. Cailliet, C. Jones & N. Ramanna, 2012b. Does large-scale ocean circulation structure life history connectivity in Antarctic toothfish (Dissostichus mawsoni)? Canadian Journal of Fisheries and Aquatic Sciences 69: 1903–1919.
Ballard, G., D. Jongsomjit, S. D. Veloz & D. G. Ainley, 2012. Coexistence of mesopredators in an intact polar ocean ecosystem: the basis for defining a Ross Sea marine protected area. Biological Conservation 156: 72–82.
Brooks, C. M., A. H. Andrews, J. R. Ashford, N. Ramanna, C. D. Jones, C. Lundstrom & G. M. Cailliet, 2011. Age estimation and lead-radium dating of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea. Polar Biology 34: 329–338.
Collins, M. A., C. Yau, C. P. Nolan, P. M. Bagley & I. G. Priede, 1999. Behavioural observations on the scavenging fauna of the Patagonian slope. Journal of the Marine Biological Association of the United Kingdom 79: 963–970.
Constable, A. J., 2004. Managing fisheries effects on marine food webs in Antarctica: trade-offs among harvest strategies, monitoring, and assessment in achieving conservation objectives. Bulletin of Marine Science 74: 583–605.
Constable, A. J., W. K. de la Mare, D. J. Agnew, I. Everson & D. Miller, 2000. Managing fisheries to conserve the Antarctic marine ecosystem: practical implementation of the Convention on the Conservation of Antarctic Marine Living Resources (CCAMLR). ICES Journal of Marine Science 57: 778–791.
DeWitt, H. H., P. C. Heemstra & O. Gon, 1990. Nototheniidae. In Gon, O. & P. C. Heemstra (eds.), Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown: 279–331.
Drazen, J. C. & R. L. Haedrich, 2012. A continuum of life histories in deep-sea demersal fishes. Deep-Sea Research I: Oceanographic Research Papers 61: 34–42.
Eastman, J. T., 1985a. The evolution of neutrally buoyant notothenioid fishes: their specializations and potential interactions in the Antarctic marine food web. In Siefgfried, W. R., P. R. Condy & R. M. Laws (eds.), Proceeding of the 4th SCAR Symposium on Antarctic Biology. Springer, Berlin: 430–436.
Eastman, J. T., 1985b. Pleuragramma antarcticum (Pisces, Nototheniidae) as food for other fishes in McMurdo Sound, Antarctica. Polar Biology 4: 155–160.
Eastman, J. T., 1999. Aspects of the biology of the icefish Dacodraco hunteri (Notothenioidei, Channichthyidae) in the Ross Sea, Antarctica. Polar Biology 21: 194–196.
Eastman, J. T. & J. P. Barry, 2002. Underwater video observation of the Antarctic toothfish Dissostichus mawsoni (Perciformes: Nototheniidae) in the Ross Sea, Antarctica. Polar Biology 25: 391–395.
Eastman, J. T., M. O. Amsler, R. B. Aronson, S. Thatje, J. B. McClintock, S. C. Vos, J. W. Kaeli, H. Singh & M. La Mesa, 2013. Photographic survey of benthos provides insights into the Antarctic fish fauna from the Marguerite Bay slope and the Amundsen Sea. Antarctic Science 25: 31–43.
Eastman, J. T. & M. J. Lannoo, 2011. Divergence of brain and retinal anatomy and histology in pelagic Antarctic notothenioid fishes of the sister taxa Dissostichus and Pleuragramma. Journal of Morphology 272: 419–441.
Eastman, J. T. & B. D. Sidell, 2002. Measurements of buoyancy for some Antarctic notothenioid fishes from the South Shetland Islands. Polar Biology 25: 753–760.
Everson, I., 1970. The population dynamics and energy budget of Notothenia neglecta Nybelin at Signy Island, South Orkney Islands. British Antarctic Survey Bulletin 23: 25–50.
Fenaughty, J. M., J. T. Eastman & B. D. Sidell, 2008. Biological implications of low condition factor ‘‘axe handle’’ specimens of the Antarctic toothfish, Dissostichus mawsoni, from the Ross Sea. Antarctic Science 20: 537–551.
Friedrich, C. & W. Hagen, 1994. Lipid contents of five species of notothenioid fish from high-Antarctic waters and ecological implications. Polar Biology 14: 359–369.
Fuiman, L. A., R. W. Davis & T. M. Williams, 2002. Behaviour of midwater fishes under the Antarctic ice: observations by a predator. Marine Biology 140: 815–822.
Gon, O. & P. C. Heemstra, 1990. Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown.
Hanchet, S. M., G. J. Rickard, J. M. Fenaughty, A. Dunn & M. J. Williams, 2008. A hypothetical life cycle for Antarctic toothfish Dissostichus mawsoni in Antarctic waters of CCAMLR statistical area 88. CCAMLR Science 15: 35–54.
Hanchet, S., A. Dunn, S. Parker, P. Horn, D. Stevens & S. Mormede, 2015. The Antarctic toothfish (Dissostichus mawsoni): biology, ecology, and life history in the Ross Sea region. Hydrobiologia 761: 397–414.
Horn, P. L., 2002. Age and growth of Patagonian toothfish (Dissostichus eleginoides) and Antarctic toothfish (D. mawsoni) in waters from the New Zealand subantarctic to the Ross Sea Antarctica. Fisheries Research 56: 275–287.
Jo, H.-S., I. Yeon, C. Lim, S. M. Hanchet, D. W. Lee & C.-K. Kang, 2013. Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea. CCAMLR Science 20: 21–36.
La Mesa, M. & J. T. Eastman, 2012. Antarctic silverfish: life strategies of a key species in the high-Antarctic ecosystem. Fish & Fisheries 13: 241–266.
La Mesa, M., J. T. Eastman & M. Vacchi, 2004. The role of notothenioid fish in the food web of the Ross Sea shelf waters: a review. Polar Biology 27: 321–338.
Lenky, C., R. Eisert, O. T. Oftedal & V. Metcalf, 2012. Proximate composition and energy density of nototheniid and myctophid fish in McMurdo Sound and the Ross Sea, Antarctica. Polar Biology 35: 717–724.
Mormede, S., A. Dunn & S. M. Hanchet, 2014. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997/98 to 2012/13. CCAMLR Science 21: 39–62.
Near, T. J., S. E. Russo, C. D. Jones & A. L. DeVries, 2003. Ontogenetic shift in buoyancy and habitat in the Antarctic toothfish, Dissostichus mawsoni (Perciformes: Nototheniidae). Polar Biology 26: 124–128.
Near, T. J., A. Dornburg, K. L. Kuhn, J. T. Eastman, J. N. Pennington, T. Patarnello, L. Zane, D. A. Fernández & C. D. Jones, 2012. Ancient climate change, antifreeze, and the evolutionary diversification of Antarctic fishes. Proceedings of the National Academy of Sciences 109: 3434–3439.
Nicol, S., T. Pauly, N. L. Bindoff, S. Wright, D. Thiele, G. W. Hosie, P. G. Strutton & E. Woehler, 2000. Ocean circulation off east Antarctica affects ecosystem structure and sea-ice extent. Nature 406: 504–507.
Orsi, A. H., T. Whitworth & W. D. Nowlin, 1995. On the meridional extent and fronts of the Antarctic Circumpolar Current. Deep Sea Research Part I: Oceanographic Research Papers 42: 641–673.
Parker, S. J., S. Mormede, A. L. Devries, S. M. Hanchet & R. Eisert, 2015. Have Antarctic toothfish returned to McMurdo Sound? Antarctic Science. doi:10.1017/S0954102015000450.
Peck, L. S., 2015. A cold limit to adaptation in the sea. Trends in Ecology and Evolution. doi:10.1016/j.tree.2015.09.014.
Petrov, A. F. & V. A. Tatarnikov, 2011. Results of investigation of the diet of Antarctic toothfish Dissostichus mawsoni (Nototheniidae) in the Lazarev Sea. Journal of Ichthyology 51: 131–135.
Roberts, J., J. C. Xavier & D. J. Agnew, 2011. The diet of toothfish species Dissostichus eleginoides and Dissostichus mawsoni with overlapping distributions. Journal of Fish Biology 79: 138–154.
Robison, B. H., 2003. What drives the diel vertical migrations of Antarctic midwater fish? Journal of the Marine Biological Association of the United Kingdom 83: 639–642.
Stammerjohn, S., R. Massom, D. Rind & D. Martinson, 2012. Regions of rapid sea ice change: an inter-hemispheric seasonal comparison. Geophysical Research Letters 39: L06501.
Stevens, D. W., M. R. Dunn, M. H. Pinkerton & J. S. Forman, 2014. Diet of Antarctic toothfish (Dissostichus mawsoni) from the continental slope and oceanic features of the Ross Sea region, Antarctica. Antarctic Science 26: 502–512.
Tynan, C. T., 1998. Ecological importance of the southern boundary of the Antarctic Circumpolar Current. Nature 392: 708–710.
Yau, C., M. A. Collins, P. M. Bagley, I. Everson, C. P. Nolan & I. G. Priede, 2001. Estimating the abundance of Patagonian toothfish Dissostichus eleginoides using baited cameras: a preliminary study. Fisheries Research 51: 403–412.
The authors are grateful for the experience of working in the Ross Sea, and elsewhere in the Southern Ocean, through the U.S. National Science Foundation, U.S. Antarctic Program, and the US Antarctic Marine Living Resources Program. DGA’s time in preparation of this paper was funded by NSF grant ANT-0944411. CMB was supported by the Price Fellowship and the Emmett Interdisciplinary Program in Environment and Resources. C. W. Evans, R. J. Hofman, M. La Mesa, J. Rotella, and two anonymous reviewers offered important comments to improve the manuscript. We thank them all.
Handling editor: Diego Fontaneto
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Ainley, D.G., Eastman, J.T. & Brooks, C.M. Comments on “The Antarctic toothfish (Dissostichus mawsoni): biology, ecology, and life history in the Ross Sea region,” by S. Hanchet et al.. Hydrobiologia 771, 1–7 (2016). https://doi.org/10.1007/s10750-015-2607-4
- Antarctic toothfish
- Neutral buoyancy
- Axe-handle body condition
- Ross Sea
- Southern Ocean