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Tanichthys Spp.

Home Forums Fresh and Brackish Water Fishes Tanichthys Spp.

This topic contains 23 replies, has 6 voices, and was last updated by  Matt 9 years, 4 months ago.

Viewing 15 posts - 1 through 15 (of 24 total)
  • Author
    Posts
  • #300233

    Matt
    Keymaster

    On we go then.

    Attached files

    #314103

    Mark Duffill
    Participant

    I started out keeping a group of around 15 in my rivertank, I am certain they have spawned at least once in there and the group is now definitely bigger than the original 15.

    They really do like the flow but tend to stay around the bogwood and roots along the back of the tank, they feed really well on fine granules, crushed flake and cyclops etc.

    A very placid fish but can be quite shy, even when kept in large groups.

    #314111

    Matt
    Keymaster

    Cheers Mark. Any sexual differences beyond females being slightly bigger and plumper?

    #314113

    andy rushworth
    Participant

    Hi Mark, dont the males have an extended last dorsal fin ? the last ray nearest to the body ? possibly difficult to see without magnification ?

    #314114

    Mark Duffill
    Participant

    Yeah dorsal fin is slightly longer in the males and females are noticeably plumper.

    #314117

    oaken
    Participant

    These develop huge fins with age. I know a guy who has (or had?) a bunch of them that were around five years old, and the males fins has gotten really big.

    Heres a link with some pictures:

    http://www.zoopet.com/forum/blog.php?b=4609

    Text in swedish unfortunately.

    #314118

    Matt
    Keymaster

    Is that naturally-occuring Gustav?

    #314120

    oaken
    Participant

    They’re supposed to be all natural, and have developed these fins with age.

    #314121

    Matt
    Keymaster

    Intriguing. I’d love to see the description paper to see if that trait was found in wild fish.

    #314122

    coelacanth
    Participant

    We had the first ones in the UK, very easy to breed and beautiful, but in spite of housing some right from birth to senescence they never developed finnage like this. There was no mention of such a trait in the origiinal paper that I can recall.

    #314123

    Mark Duffill
    Participant

    WOW, I have had some of mine a couple of years now and there is no sign of a change like that in the finnage

    #314124

    Matt
    Keymaster

    …and the adult ones we had in the shop display tank never grew long fins either…

    Pete don’t suppose you have the paper?

    #314125

    oaken
    Participant

    Weird. Well, anyone know if there is an aquarium strain of these that got long fins then?

    #314126

    coelacanth
    Participant

    QUOTE (Matt @ Jun 9 2009, 02:08 PM) < {POST_SNAPBACK}>
    Pete don’t suppose you have the paper?

    Not as a pdf, I think I may have a hard copy somewhere, but not sure.

    #314127

    Matt
    Keymaster

    Ok no worries then. Must subscribe to IEF asap.

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