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1. SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA

   . These processes have created diverse habitat, including distinct banks and basins. For many fish species ... on the habitat mapping scheme developed by Greene et al. (1999). Fish age data from the long-line fishery ... with an ontogenetic movement of fish from shallow continental shelf habitats to deep-water continental slope ... was documented. Younger, less mature fish were located on the continental shelf and older fish were located ...

   Meeting Document : WG-FSA-08/18 : Author(s): C.M. Brooks and J.R. Ashford (USA)

2. Diet overlap among top predators at the South Orkney Islands, Antarctica

   , fish or penguins. The re-occurrence of prey among predators was intermediate and ranged from 25.3 ... to 36.7 and fish, krill and squid re-occurred most  frequently. The re-occurrence of fish among predator ... had high overlap of fish prey. Predators that could forage on demersal or water column prey had yearly ... of fish, which increases the re-occurrence of these preys in the diets. Our samples suggest the recovery ...

   Meeting Document : WG-EMM-18/04 : Author(s): M.L. Bertolin and R. Casaux

3. Indexing maturation of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region

   fish developing to spawn in the upcoming season. Evidence is accumulating that almost all Antarctic ... in the upcoming season. Observations of post-spawning fish on the slope indicate that some females either spawn ... on the slope or return to the slope in early spring. The absence of high condition fish in the north indicate ... that any northward migration occurs in late autumn or winter. Determination of fish movement during ...

   Meeting Document : WG-FSA-12/40 : Author(s): S. Parker and P. Marriott (New Zealand)

4. Diet of two icefish species from the South Shetland Islands and Elephant Island, Champsocephalus gunnari and Chaenocephalus aceratus 2001–2003

   mainly krill, mysids and fish. Among the fish taken, locally abundant species formed the bulk of the diet ... in 2003. An ontogenetic shift in feeding preference of C. aceratus was observed: Fish smaller than 30 cm ... fed on krill and mysids, while larger animals relied primarily on fish. Author(s):  H. Flores ... and fish. Among the fish taken, locally abundant species formed the bulk of the diet. They were ...

   Meeting Document : WG-FSA-03/61 : Author(s): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)

5. Age-length key for Champsocephalus gunnari from Subarea 48.3, Dr Eduardo Holmberg survey, February/March 1994

   sized fish (total length 12-33 cm) constituted the bulk of the samples (93%), while larger specimens ... (>33 cm) were scarce. At South Georgia, fish of age groups 1-4 were truly represented; at Shag Rocks ... , a large concentration of fish belonging to age groups 2 (90%) and 3 (10%) was found. The length weighted ... distribution of all the fish sampled in the Subarea 48.3 showed good correspondence between modes and, the mean ...

   Meeting Document : WG-FSA-94/11 : Author(s): E. Barrera-Oro, E. Marschoff and R. Casaux (Argentina)

6. Preliminary examination of otolith microchemistry to determine stock structure in Antarctic toothfish (Dissostichus mawsoni) between SSRU 88.1C and 88.2H

   evaluated using otolith microchemistry techniques. Our aims were to (i) determine whether fish from ... was shown. This resulted in the correct classification of 63% of fish overall to their original capture ... success (79%), compared to the otolith edge which suggested the majority of fish from SSRU 88.1C and 88.2H ... in total 83% of fish from both SSRU 88.1C and 88.2H to 88.1C. The remaining group consisted entirely ...

   Meeting Document : WG-SAM-14/33 : Author(s): R. Tana, B.J. Hicks, C. Pilditch and S.M. Hanchet (New Zealand)

7. Geographical variation in the diet of the Antarctic fur seal Arctocephalus gazella

   frequent (except at Cierva Point) and numerous prey at all the study sites, being followed by fish ... , penguins and cephalopods. The Antarctic krill also predominated by mass being followed by fish or penguins ... . Fish were the second most important prey by mass at the Antarctic Peninsula whereas penguins were ... at the South Shetland and South Orkney islands. Among fish, Pleuragramma antarcticum was the species that most ...

   Meeting Document : WG-EMM-02/10 : Author(s): R. Casaux, A. Baroni, F. Arrighetti, A. Ramón and A. Carlini (Argentina)

8. Effect of a shore-based sampling program on Notothenia coriiceps populations

   at two close but not previously sampled zones (sites 2 and 3). The fish were caught with trammel nets ... in length (TL) of the fish was observed throughout the whole period. The fish from sites 2 (x=32.4 cm ... not due to a natural decrease of the proportion of larger fish in the population, but related ... but not previously sampled zones (sites 2 and 3). The fish were caught with trammel nets under similar sampling ...

   Meeting Document : WG-FSA-99/24 : Author(s): R. Casaux and E. Barrera-Oro (Argentina)

9. Preliminary results of a feeding trial on the blue-eyed shag Phalacrocorax atriceps

   Abstract:  Local fish species were used to feed a captive blue-eyed shag Phalacrocorax atriceps ... . The otoliths identified in pellets were affected by the digestive process and consequently the fish species ... the accuracy of weight estimations of fish ingested, calculated y means of equations based on otolith-lengths ... the fish stomachs. Therefore, their importance in the diet of the blue-eyed shag could have been ...

   Meeting Document : WG-CEMP-94/29 : Author(s): R. Casaux, M. Favero, E. Barrera-Oro and P. Silva (Argentina)

10. A preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in the Ross Sea, Antarctica

    , the otoliths are quite difficult to interpret, and the sampled fish do not represent the full length or sex ... distributions of the populations (i.e., small fish and males were absent). The Muraenolepis samples were ... years. Von Bertalanffy parameters derived from female and unsexed fish only are: L., 42.8 cm TL ... years. Von Bertalanffy parameters derived from female and unsexed fish only are: L., 78.4 cm TL ...

    Meeting Document : WG-FSA-10/19 : Author(s): P.L. Horn and C.P. Sutton (New Zealand)

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