Next month he's off to Darwin, Northern Territory of Australia, to do more
field work on nurseryfish, Kurtus gulliveri. The males carry the eggs on a
hook on their head. Berra wants to catch pregnant males to do DNA paternity
analysis to see if male with embryos is actually the daddy or if he was
cuckolded. Trouble is, the river is full of salt-water crocodiles larger
than the boat and they leap 2 m in the air. It is difficult to pull up gill
nets without leaning over the boat. Tidal variation can be up to 7 m
twice/day. Talk about tough collecting conditions!
Chris
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