The flaps do not close, inside the tubes are slick waxy areas that prevent insects from climbing back out, many species also contain fine downward pointing spines or hairs. At the bottom is water containing digestive enzymes.
In those temps both mosquitofish and some tropical killies will work.
So you are in Australia? Here are a couple of species of natives that should work for you (you may wish to add an airstone though.
These are all Galaxias species and are found in acidic bogs and swamps, often in areas that support thegrowth of pitcher plants, you may even find some where you found the plants.
G. occidentalis (Western Minnow)
G. parvus (Small Peddar Galaxia)
G. munda (Mud Minnow)
and
G. nigrostriata (Black-stripe Galaxia) a very hardy fish if you keep the water fairly acidic (4.5-6.5 pH) which is also the range your pitcher plant will do best at.
In a larger tank the Malaysian pike-head (Luciocephalus Pulcher would be a perfect fish for a bog/swamp tank.
In those temps both mosquitofish and some tropical killies will work.
So you are in Australia? Here are a couple of species of natives that should work for you (you may wish to add an airstone though.
These are all Galaxias species and are found in acidic bogs and swamps, often in areas that support thegrowth of pitcher plants, you may even find some where you found the plants.
G. occidentalis (Western Minnow)
G. parvus (Small Peddar Galaxia)
G. munda (Mud Minnow)
and
G. nigrostriata (Black-stripe Galaxia) a very hardy fish if you keep the water fairly acidic (4.5-6.5 pH) which is also the range your pitcher plant will do best at.
In a larger tank the Malaysian pike-head (Luciocephalus Pulcher would be a perfect fish for a bog/swamp tank.
