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Wiki wrong???


F15hguy

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Just to complicate matters further, there are landlocked (non-diadromous) populations of all five whitebait species, though some are more common than others.

AND there are also non-diadromous *individuals* in waterways that have open access to the sea. So they could have, but they didn't.

I also learned recently that the non-diadromous South Island species don't have whitebait-like juveniles. That is a morphology specifically for surviving at sea. Their juveniles look like the adult fish, once they metamorphose from being fry.

HOWEVER the dune lakes galaias and dwarf inanga (both descended from landlocked inanga populations) do still have a wee whitebait stage (30mm long - so cute!) but this may have been maintained as the lake is a surrogate for the sea. Or they haven't been around long enough to lose it. Or something.

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