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Oryzias sarasinorum (POPTA, 1905)

Sarasin's Buntingi

March 13th, 2012 — 1:26pm

Utilises a strategy which has become known as ‘pelvic brooding’. Spawning tends to occur in the early morning, with dominant males darkening in colouration and defending their space by driving away potential competitors, while approaching ripe females in a rigid ‘head-down’ position.

The eggs normally number 8-12 and are expelled as a single mass while being fertilised simultaneously, after which they continue to hang from th…

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