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New killifish behaviour


jolliolli

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It is well know that Rivulus species are found out of water.

I saw a poster (years ago )of where you can expect to find different types of killies in the water level. For Rivulus there was an arrow pointing up into the trees.

I used to breed R. holmiae, when ever a water change was done they would jump out of the water and stick them selves around 5cm above the water line and stay there until the tank was top up.

If 1 should jump out of the tank over night it was simply a matter of putting them back in the tank in the morning and they would be just fine.

There is also a Rivulus species that is a hermaphrodite - there are males to that species but they're not required.

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