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Questions On Crossocheilus

Home Forums Fresh and Brackish Water Fishes Questions On Crossocheilus

This topic contains 37 replies, has 7 voices, and was last updated by  Daspricey 8 years, 12 months ago.

Viewing 15 posts - 1 through 15 (of 38 total)
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  • #300234

    Matt
    Keymaster

    Next thing that needs done is to shift a few genera out of the horribly-named ‘loaches and algae eaters’ section and just rename it ‘loaches’ temporarily I think. First one of these is Crossocheilus and after reading the last issue of TAG I’ve been dreading this.

    Ps – sorry if I’m flitting quickly through different genera at the minute, my better-looking half has exams this month and I’m bored out of my wits.

    Attached files

    #314139

    Mark Duffill
    Participant

    To be honest Matt that is what they came in as and from the few bits of info I could find for atrilimes I was pretty sure thats what these are, I think there was a thread about atrilimes on petfrd a while ago.

    I have some more recent pics:


    #314141

    Matt
    Keymaster

    Beautiful pics Mark. Have you seen this?

    #314144

    retro_gk
    Participant

    Niederle’s summary is a very well done review of the literature, I remember the discussion on Petfrd.

    #314146

    Matt
    Keymaster

    After reading his stuff plus various threads on Petfrd I’m convinced ‘C. siamensis‘ doesn’t exist other than as a synonym. Be interested to know if you think the same Rahul?

    For those who don’t know what we’re on about and want to know more read this thread.

    Mark if you don’t mind how big are your fish and do they have a black marking covering the ventral area just in front of the anal fin?

    #314148

    Mark Duffill
    Participant

    All 5 of my fish are around 60mm – 65mm TL, from what I can see no they dont have any sort of black marking covering the ventral area.

    #314150

    David Marshall
    Participant

    Hey

    Matt wait until you tackle Garra – you will be reduced to tears by this ‘catch all’ genus.

    Josef’s (Niederle) World exclusive article in Aquarium Gazette Issue 8 was wonderful to work on and the photographic contributions from Mad Duff, Andy, Dick and Steven etc. added brilliantly to those Josef had sent. This Issue is still available and we have a supplement page, at Josef’s request, in Issue 9.

    Regards David

    #314151

    retro_gk
    Participant

    The discussion on Petfrd did not close the story on what the “Siamese algae eater” in the hobby is.

    Do atrilimes, langei, nigriloba and the suggested “lemon fin” cover all the available Siamese algae eaters in the hobby? Assuming people know what a G. cambodigensis looks like and pseudobagroides is not collected for the hobby?

    My take is

    i) The fish described as C. siamensis belongs in a different genus. This fish may or may not be present in the hobby.

    ii) There are fish in the hobby as C. siamensis that may represent new species, either new Crossocheilus / Epalzeorhynchus or whatever genus the fish in (a) is placed.

    #314152

    andy rushworth
    Participant

    Hi Retro , I think Nederle did quite a bit of work and as you say the Type specimen for C.siamensis was possibly not a crossocheilus :thumbsup

    Retro, do you know anyting about Pseudobagroides ? does it even look like a crossocheilus ?

    As for G.cambodgiensis being confused with Crossocheilus sp/Siamensis the blame lies with a lot of the aquarium books ,magazines etc , and under scrutiny is really quite different in appearance and behaviour !

    #314154

    Matt
    Keymaster

    QUOTE (retro_gk @ Jun 11 2009, 01:16 PM) < {POST_SNAPBACK}>
    Do atrilimes, langei, nigriloba and the suggested “lemon fin” cover all the available Siamese algae eaters in the hobby?

    Very good point. *scratches chin*

    Apparently C. pseudobagroides has several dark blotches on the body so in theory should be easy to identify but all I have is what’s written in Niederle’s work. Would be interested to know more. Also I was under the impression that C. siamensis was originally described as Epalzeorhynchos siamensis, and that the fish used as the basis for moving it into Crossocheilus was later described as C. atrilimes by Kottelat so at the moment the original name is valid. Or something. /laugh.gif” style=”vertical-align:middle” emoid=”:lol:” border=”0″ alt=”laugh.gif” /> Here’s G. cambodgiensis (Mark’s fish) seeing as it’s being discussed:

    Attached files

    #314158

    David Marshall
    Participant

    Hey retro

    Josef’s TAG article, which I do not want to compromise, was written after the Petfrd pieces so goes a little further in conclusions.

    Regards David

    #314160

    Matt
    Keymaster

    Hi Mark how is their temperament?

    #314161

    retro_gk
    Participant

    David, hopefully Josef will discuss his findings in more detail once the article is out.

    Andy, no, I am not familiar with pseudobagroides at all.

    Matt, if the reshuffling was as you described, then the name E. siamensis should be available, but, what does the fish described as such look like?

    #314163

    Matt
    Keymaster

    Here are images of the E. siamensis holotype from Mr Niederle’s site:

    The TAG article is already out or have I missed something? Thanks for the input lads; I knew these striped chaps were going to be ‘fun’!

    Attached files

    #314164

    andy rushworth
    Participant

    Hi Matt , as you say the striped Crosso’s are going to be fun

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