Dissostichus eleginoides spawn over the continental slope from June to September. The eggs, 4.3-4.7 mm diameter, were found in the upper 500 m of the water column over waters 2200-4400 m deep. Incubation of eggs is likely to take about three months. Hatching is probably in October/November. Embryos in egg development stages I11 and IV are described. Scales are not present until the fish are about 64-74 mm long.
Ichthyoplankton, collected in the Gulf Stream frontal zone off Nova Scotia in late autumn 1974, was represented by 22 families. The larvae of some species of these families have not been previously found in the area. Myctophid larvae were the most abundant and were represented in many samples. Zoogeographical structure of the ichthyoplankton community and the larval distribution of some groups are briefly discussed.
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