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Gobiidae Id

This topic contains 17 replies, has 4 voices, and was last updated by  Matt 7 years, 11 months ago.

Viewing 15 posts - 1 through 15 (of 30 total)
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  • #300671

    torso
    Participant

    in a “surprise bag” with pseudogastromyzon cf cheni (no cheni, but some others) I received this unique one. apparently a female if anyone had an idea …

    Attached files

    #317517

    Matt
    Keymaster

    Rhinogobius sp.?

    #317519

    torso
    Participant

    yes so far

    #317541

    afroturf
    Participant

    Looks very similar to some of my smaller female R. candidianus.

    #317542

    torso
    Participant

    thanks
    I’ve seen this species in the gallerie of aqua-global
    http://www.aqua-global.de/Bilder/Rhinogobi…candidianus.jpg

    here the species/male shows red parts
    http://images.google.ch/imgres?imgurl=http…%26tbs%3Disch:1
    here as well
    http://images.google.ch/imgres?imgurl=http…%26tbs%3Disch:1
    at fishbase candidianus looks very different. a surprise?
    do your males look like this’ and do adult females change?
    at first sight no red stripes on the head
    with an enlargerged pic yes could be. what surprises me: r candidianus origines from Taiwan and comes in with ps cf cheni
    ps: just read they come from china too?

    Attached files

    #317587

    cfai
    Participant

    Rhinogobius Duospilus.

    #317589

    Matt
    Keymaster

    Hmm aren’t there a whole bunch that look similar to R. duospilus?

    #317593

    torso
    Participant

    QUOTE (Matt @ Apr 22 2010, 03:41 PM) < {POST_SNAPBACK}>
    Hmm aren’t there a whole bunch that look similar to R. duospilus?


    yes. but there are two points to add: duospilus doesn’t look like. I have seen them yesterday live. second: as I get my “specials” from the retailer as species to identifie it is unlikely to be a species they have on the stocklist – as r wui (but they know the new name, it’s just a way to keep the fish going into the LFS without a break because of changed scientific name).
    I hope to have more pics – and some other specimen

    #317595

    cfai
    Participant

    See the following pictures. it may help to ID your fish.

    #317626

    torso
    Participant

    thanks cfai
    I had a visitor breeding r duospilus. he says: can’t be. this one is at least 5 cm long, duospilus are smaller, not so strong and with different pattern and so on. what irritates me: pics of r duospilus show very different species. I’m going to work that out with the threads on perfrd
    r candidianus is not far, but I should really have some more specimen. may be some come in on wednesday.
    whatever: for my special tank 140x25x25 without heating, s. barbatus and r duospilus are targeted. may be this one too and some n. chrosomus (if I get sound ones) and so on. I think I’ll need a second long tank.

    #317627

    Matt
    Keymaster

    I agree with you Charles – will get to work on Rhinogobius before too long.

    #317632

    torso
    Participant

    some pics.
    interesting the orange spot on the head, only to be seen from this side and the orange spots in the ventral and anal fins only in the lateral view
    and it really has this wonderful radiant blue
    the body shape looks very strong to me. it has no problems to chase the large pseudogastromyzon fasciatus/fangi and sewellia sp away

    Attached files

    #317853

    torso
    Participant

    the yahusikotakia nigrolineta I’ve got recently are now in the 112 lt tank together with pseudogastromyzon spp and rhinogobius cf candidianus. to my surprise they fit better together than exspected. the rhino female, normally chasing all hillies away lies side by side in a cavern with nigros.
    a friend found me a pair of the same rhino species in germany. I’m curious to see the male.
    some first pics of the rhinogobius duospilus in the quaratine-tank

    Attached files

    #317915

    torso
    Participant

    I’ve got the pair. thanks Pascal.
    the colouring is a little different: the first female is more grey with steelblue pattern, the pair light brown with steeblue pattern that doesn’t come through very clear. the females look lke twin sisters coming from different regions.
    I’ll try to find the species as r candidianus is out of question if I’m not mistaken.
    sizes are: females 5 cm, male 7 cm.
    the male shows two yellow dots on the dosrsal fin base

    Attached files

    #317917

    Matt
    Keymaster

    R. nagoyae formosanus?

    Attached files

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