ecological race
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2013 ◽  
Vol 33 (4) ◽  
pp. 341-357
Author(s):  
David Melamed ◽  
Dee Hill Zuganelli

1971 ◽  
Vol 22 (2) ◽  
pp. 125 ◽  
Author(s):  
DA Pollard

Following a brief outline of the systematic relationships of a number of species comprising the Galaxias maculatus species complex, the morphology of the "landlocked jollytail", a lacustrine galaxiid from Lake Modewarre (south-western Victoria), is described and compared with that of the normally catadromous stream dwelling species G. maculatus and a number of other closely related forms belonging to this complex. The probable systematic status of the landlocked jollytail and its relationship to the other forms included in the G. maculatus species complex are then discussed in the light of both the above morphological evidence, and ecological and behavioural evidence from a previous study of the life cycle and discussion of the probable origin of this lacustrine form. The conclusion is drawn that the landlocked jollytail should probably be regarded as no more than an isolated "ecological race" of the normally catadromous stream-dwelling species, G. maculatus.


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