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2 unusual facts about Pair bond


Pair bond

In the cichlid species Tropheus moorii, a male and female will form a temporary monogamous pair bond and spawn, after which the female leaves to mouthbrood the eggs on her own.

A University of Florida scientist reports that male sand gobies work harder at building nests and taking care of eggs when females are present – the first time such "courtship parental care" has been documented in any species.



see also

Chinstrap Penguin

In 2004, two male chinstrap penguins named Roy and Silo in Central Park Zoo, New York City, formed a pair-bond and took turns trying to “hatch” a rock; this was substituted by a keeper for a fertile egg, and the pair subsequently hatched and raised the chick.