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Oryzias melastigma

Home Forums Fresh and Brackish Water Fishes Oryzias melastigma

This topic contains 7 replies, has 4 voices, and was last updated by  mikev 6 years, 5 months ago.

Viewing 14 posts - 1 through 14 (of 14 total)
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  • #299759

    kim m
    Participant

    Today I stumbled over some Oryzias labelled Oryzias melastigma in a shop. The were Oryzias for shure, but I stuggle to find any info on these. From the pics I can Google they could be ID’ed correct, but they need some feeding to show their potential…it’s not a shop that is good at keeping fish alive for long.

    I’ll do some pics when they’ve been fattened up a bit.

    I have experience with O. sp. Blue Neon (Wolosi, Sulawesi) and O. woworae and expect these to be sort of the same when it comes to maintainence but if not it would be good with some pointers 🙂

    #312572

    Matt
    Keymaster

    Hi Kim, do they look like THIS maybe?

    #312322

    oaken
    Participant

    Were you supposed to attach a picture there, Matt?  😛

     

    Got any pictures, Kim?

    #312339

    kim m
    Participant

    Here’s a couple of pics…they are looking better than when I first bought them but none have carried eggs yet.

    There’s a yellowish edge on the caudal fin. I’m not familiar with all the Oryzias species apart from the two blue ones available everywhere.

    BTW Matt, I’ll try to get myself together and do some blue neon and woworae pics soon! I know I’ve promised this for a long time…

    Oryziasmelastigma1.JPGOryziasmelastigma2.JPG

    #312065

    Matt
    Keymaster

    Nope Gustav, we do need to change the colour of links on the forum though. Have edited post for now.

    Kim, looks like O. javanicus?

    #311890

    kim m
    Participant

    Good suggestion Matt…I have a really hard time telling many of these Oryzias apart 🙂 but from a quick Google-search it seems possible!

    #312083

    mikev
    Participant

    FWIW: Here is a listing for the species, with a photo..

    I know the breeder and thus reasonably sure that his ID is correct… He likely can answer questions about the species.

     

    The fish does look pretty…

    #312080

    Matt
    Keymaster

    I think Kim’s fish are different to the ones in the link? Look at the fin patterning?

    Roberts (1998) discovered that the type series of O. melastigma is comprised mostly or entirely of Aplocheilus panchax and considered the name invalid. This has been followed by recent authors such as Parenti (2008) but not by online databanks such as CAS for some reason. I do have papers if anyone’s interested?

    #348090

    mikev
    Participant

    Another confusion to resolve…

    Notice that the breeder’s description has “ The female carries her eggs hanging from her vent like a bunch of grapes. ” which is the typical Oryzias… do you know how Aplocheilus reproduce?

    #348120

    Matt
    Keymaster

    Not sure I follow the question Mike? The fish in both Kim’s pic and the link you posted are both Oryzias spp.

    Think Aplocheilus breed in fairly ‘standard’ killi fashion, i.e., eggs are deposited within a suitable medium?

    #348125

    mikev
    Participant

    Trying to understand the implications of Roberts…. is there such thing as O. melastigma ? Or both posted photos are different Oryzias and neither is melastigma and it is not clear what they are?

    (as for eggs… with oryzias, I think all species, the females carry a string of eggs before attaching them to medium… I don’t think Aplocheilus do this… so this perhaps may be a way to confirm that the link I posted shows an Oryzias indeed?)

    #348127

    kim m
    Participant

    Aplocheilus does indeed breed like other killies and not as Oryzias. I’ve bred a few Aplocheilus also.

    Whatever Oryzias sp. my fish are, they are breeding. Found 5 eggs in the mop today 🙂

    I am awaiting eggs of 4 different species from a guy in Germany who seem to have a clue about Oryzias so if/when i am so lucky to raise them I will have something to hold them against.

    #348131

    Matt
    Keymaster

    Nice one Kim.:smile:

    Mike, there is such a name as O. melastigma but it’s considered invalid as the description appears to have been based on juvenile specimens of Aplocheilus. The species in the link you posted is O. dancena by current reckoning as it’s the only one with white margins in the fins. That make more sense?

    #348136

    mikev
    Participant

    Thanks, Matt, I’ll let him know. 😀

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