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Acanthocobitis spp.

Home Forums Fresh and Brackish Water Fishes Acanthocobitis spp.

This topic contains 16 replies, has 5 voices, and was last updated by  Matt 5 years, 6 months ago.

Viewing 15 posts - 1 through 15 (of 54 total)
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  • #300492

    Matt
    Keymaster

    Has anyone here kept A. botia? We had them in at the shop on a few occasions and they never seemed particularly aggressive to me but I see conflicting info about their behaviour online. Also, other than a larger adult size, how do you tell it apart from A. urophthalmus?

    #315977

    retro_gk
    Participant

    They’re not very aggressive. About 6 adult specimens will happily coexist in a 20 long. Their habitat is mostly open sand and leaf litter. One disadvantage is they don’t do too well when housed with similarly sized Schistura in small tanks. They invariably get beaten up.

    As to differentiating from urophthalmus, just look at the shipping manifest

    #315979

    Matt
    Keymaster

    Thanks Rahul.

    #315998

    Matt
    Keymaster

    Profile added. Could do with some more images but ho hum.

    #316004

    retro_gk
    Participant

    The species we get around here is A. sinuata (see pic, ignore genus). A. moreh in most of the literature. The latter species is from around Pune.

    A. botia is restricted to the ganges basin, afaik.

    Attached files

    #316019

    Plaamoo
    Participant

    Wow that’s a handsome fish!^^^ Love the bronze coloring! Nice pic!!

    #316021

    Matt
    Keymaster

    It is a pretty wee thing. Are those two not officially in Acanthocobitis then?

    #316022

    Mark Duffill
    Participant

    Stunning fish Rahul

    #316067

    retro_gk
    Participant

    Yeah, they’ve very pretty. But complete wimps. Even the smallest schistura will knock them around.

    Not very wee, Matt, the fish in the pic is about 2″. Biggest I’ve seen was a shade over 3″. Some of the publications list A. moreh as valid, with A. sinuata as a junior synonym. Most list both as a synonym of A. botia. The fish from South India is a distinct species, at least.

    Long story short:

    Fish from Ganges/Brahmaputra drainage = A. botia. Everyone agrees on this.

    Fish from Krishna drainage/central India = A. moreh. Some agree, some do not. I have not seen specimens, so am on the fence.

    Fish from Southern India = Obviously distinct from A. botia. Most Indian authors consider it to be the same as A. moreh. Day considered it to be a distinct species, which he named Noemacheilus sinuatus (all 3 were in Noemacheilus at that point). Until I see a specimen of A. moreh from the correct geographic region, I’m going to agree with Day, and consider the south Indian fish a distinct species.

    I really should rename the pic to Acanthocobitis, but I is lazy.

    #316081

    Matt
    Keymaster

    Now I am sated – the reason I initially asked is that it seemed weird that A. botia and A. urophthalmus are so widely separated geographically with no species inbetween. Thanks a lot Rahul. Yes you should organise the legend on the pic then allow us to use it in a profile… /tongue.gif” style=”vertical-align:middle” emoid=”:p” border=”0″ alt=”tongue.gif” />

    This is what I have for urophthalmus – what do you guys think?

    Attached files

    #316226

    Matt
    Keymaster

    No takers on the fish above?

    Here we have A. pavonacea – The Dark One wrote an interesting paper regarding its taxonomical position a couple of years ago. I have that and have added some information into the notes but does anyone know what kind of habitat it prefers? It was featured in ‘Inland fishes of India and adjacent countries’ by Talwar and Jhingran so maybe there’s some info in there?

    Attached files

    #316277

    The.Dark.One
    Member

    Hi Matt and retro.

    In 2008 I did an article covering Acanthocobitis for BSSW Report in Germany, discussing the alleged synonyms of A. botia, inc. mooreh and sinuata. Rahul kindly provided the image of sinuata. Do you want me to email you the English text Matt?

    The full printed reference is:

    Grant, S., 2008.
    Schmerlen der Gattung Acanthocobitis Peters, 1861.
    BSSW-Report 20 (3), 49-52.

    #316278

    Matt
    Keymaster

    Yes please.

    #343559

    Matt
    Keymaster

    Here’s a pic of purported A. moreh by Madhu. I noticed over at IAH that this species is considered valid there so just wondered if anyone has an opinion as to whether we should give it a profile or not. Same goes for A. sinuata as posted by Rahul earlier in th¡s thread…

    Attached files

    #343561

    random2
    Participant

    QUOTE (Matt @ May 24 2011, 08:00 PM) < {POST_SNAPBACK}>
    Here’s a pic of purported A. moreh by Madhu. I noticed over at IAH that this species is considered valid there so just wondered if anyone has an opinion as to whether we should give it a profile or not. Same goes for A. sinuata as posted by Rahul earlier in th¡s thread…

    Well, then all southern caught (i.e south of Krishna) ones would be A sinuata?

    Few things which we have noticed (nothing new )-
    The largest one caught was 5″+ (caught by Madhu)
    They were mainly found in cool streams where we also found one or more species of Schistura sp
    Only difference – Schisturas prefer rocky/pebbly places and these prefer sandy bottoms. Could clearly see this difference.
    At least at one place, they were seen in a group.

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