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Hynobius dunni

maxim

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I have a group of 6 hynobius dunni but what is best for housing them in 3 / 4 water or just pure water with no land?

Greetings
 

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GeoNewt

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I keep a small group of H. tokyoensis in a 2' tank that's got no proper land area, just a couple of inches of water and lots of rocks/wood and moss for them to hide in - I don't see them out in the open water much, but they spend most of the time semi-submerged amongst the rocks etc. The water stays pretty clean as they're great eaters. If you haven't seen it, here's a caresheet for H. dunni which has much more detail: Caudata Culture Species Entry - Hynobius dunni
 

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Azhael

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Juveniles are more aquatic than adults but what they really like is for the larger part of the year is to hide in holes which are partially flooded.
I keep them with looooots of hiding places that range from emerged but moist, to completely submerged. They choose what they like at any time. The open ares are very shallow and there is a small area of deeper water just in case they feel like getting a swim which they sometimes do and to encrease the volume of water and facilitate maintenance and water quality.

The first picture is what their previous tank used to be like, and the second their current one. You can´t really see in the picture but it is a maze of bricks and crevices.
 

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methodik

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Hey,

sorry for that non-topic question, but is that some kind of Hydrocolyte growing out of the water in your tanks, Azhael ?

Many thanks in advance

Jakob
 

Azhael

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Yes, the one in the first picture is possibly Hydrocotyle vulgaris, the one in the second picture is H.verticillata.
 

Molch

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those are really cool looking tanks, Az. What kind of moss is that growing on the rocks, and how do you keep the humidity high enough so that the emerged moss won't dry out?
 

Azhael

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Cheers Molch :)
The current tank has been invaded by Tradescantia and now you can barely see anything, but the dunni sure are loving it!
Which rock do you mean? Almost all of the moss is just java moss.
I keep the humidity very high by placing a glass over the tank lid. It covers 95% of the surface. The longest tips of the moss do dry out eventually, if i forget to mist the tank, but the bits closer to a substrate are expanding nicely.
 
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