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Researcher: Male Desert Goby Fish “Put Courtship Before Childcare”

MELBOURNE, Victoria — After studying male desert goby fish, a team of Monash researchers has suggested that male sexual behavior is primed to produce the greatest number of offspring.

In the underwater world of desert goby fish, it is the males whose work is never done.

As exclusive parental guardians it is up to males to guard and fan the eggs – keeping them well-oxygenated and removing debris – while females flit about finding new mates.


Photo:P. Andreas Svensson.

Posted June 1st, 2015.

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Mike vs. Ted: A Breeder’s Challenge (Extended)

Ted Judy, in a moment of utter foolishness, challenged Mike Hellweg to a one-on-one fish breeding contest. The rules are simple: spawn fish, raise the fry to an age when they can be safely given to another hobbyist, and repeat. The species that are spawned will be assigned point values based on the system used by the Missouri Aquarium Society, Inc.’s (MASI) Breeders Award Program (BAP), which ranks fish based upon their breeding difficulty.

The contest is to span one year, beginning with the January 2010 issue of TFH and ending with the December 2010 issue. Ted and Mike will submit a spawning report to TFH each month, as well as talk about the strategies, successes, and failures they experience during the competition. Our intrepid breeders will also update a blog at so readers can get more frequent updates on what is going on in Mike’s and Ted’s fishrooms. TFH recently sat down with these master breeders to get some information about the contest, and learn a little more about the contestants:

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Posted November 18th, 2009.

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