Six samples (n =67 to 154) of blue-eye or deepsea trevalla were collected from south-eastern Australia (seamounts off New South Wales, a seamount south-east of Tasmania called the Cascade Plateau, off the east, south and west coasts of Tasmania, and off the coast of South Australia). All fish were analysed by starch or cellulose acetate electrophoresis for the products of seven polymorphic loci (defined in this study as those with an average heterozygosity greater than 0.06); a minimum of 24 fish per area were also analysed for 29 other less variable loci. The average heterozygosity per locus was 5.3%. Polymorphic loci showed no significant deviations from Hardy-Weinberg equilibrium. The coefficient of genetic subpopulation differentiation, G_ST, was 0.38%. Bootstrapping procedures showed that this low value could be attributed to sampling error alone. Contingency Χ² analysis similarly failed to reveal any significant inter-sample differentiation for any locus. The results indicate that gene flow is sufficient to prevent any genetic differentiation among the sampled localities. During the course of the study a second trevalla species, Schedophilus labyrinthicus, was identified in the New South Wales component of the fishery.

Item Type:	Refereed Article
Keywords:	Hyperoglyphe antarctica, allozyme, population genetics, Australia
Research Division:	Biological Sciences
Research Group:	Genetics
Research Field:	Population, Ecological and Evolutionary Genetics
Objective Division:	Animal Production and Animal Primary Products
Objective Group:	Fisheries - Aquaculture
Objective Field:	Fisheries - Aquaculture not elsewhere classified
Author:	Bolch, CJS (Dr Christopher Bolch)
ID Code:	111290
Year Published:	1993
Web of Science® Times Cited:	15
Deposited By:	Ecology and Biodiversity
Deposited On:	2016-09-07
Last Modified:	2016-11-24
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