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Questions on Rhinogobius

Home Forums Fresh and Brackish Water Fishes Questions on Rhinogobius

Viewing 15 posts - 106 through 120 (of 122 total)
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  • #351505

    mikev
    Participant

    Thank you!..maybe one day, when I don’t have to feed my tanks every day :(

    #351506

    Matt
    Keymaster

    This one is rather nice.  🙂

    Rhinogobius-sp.-1.jpgRhinogobius-sp.-China-2-2.jpg

    #351508

    Ferrika
    Participant

    Yes, Matt! On the first pic a species from Vietnam, on the second the original R. nandujiangensis from Hainan. Wonderful animals! And no chance to get them 😥

    #351512

    Matt
    Keymaster

    Confused now. The first fish was supposedly collected from the Wuyanling nature reserve in Zhejiang province, China, therefore it ‘should’ be R. wuyanlingensis.

    The second came without locality details but doesn’t seem to match the diagnosis for R. nandujiangensis which should not have those longitudinal stripes on the body as far as I can tell?

    #351514

    Ferrika
    Participant

    Ok, may be, I am confused too. The Gobie on the first pic looks like a species from Vietnam. Perhaps there is again an approximate match, as we know from the gobies from Japan and China. That struck me several times. Yesterday I counted no fin rays, was watching short :-)

    But on the second Picture, I could swear it’s a real R. nandujiangensis. I look again more closely. The stripe is not noticed me yesterday. But that can also occur only in living animals and will not be considered in the investigation “in alcohol.” I can see that for many of my animals that I always “cf.” remains, because some few features simply do not show up in the description.

    #351570

    Matt
    Keymaster

    Rhinogobius albimaculatus?

    Rhinogobius-albimaculatus-SB-2.jpgRhinogobius-albimaculatus-Stuart-Brown-1.jpg

    #351571

    Ferrika
    Participant

    I don’t know, Matt. I’ve never seen a pic of them and only the description of paper may be to inaccurately.

    #351621

    mikev
    Participant

    Ok…those alleged chiengs… the photos are awful, I’ll try again when I have light and substrate/something in the tank, simply cannot focus w/o, and they prefer the back of the tank. However, maybe you still have some idea… Definitely red spots, rhinos, and very likely both m’s and fm’s, unless more than one species is present.

    http://rainbow-fish.org/fishpic/nrg1.jpg – female?
    http://rainbow-fish.org/fishpic/nrg2.jpg – female on the wall, male on the bottom?
    http://rainbow-fish.org/fishpic/nrg3.jpg – female left, 2 males on the right?
    http://rainbow-fish.org/fishpic/nrg4.jpg – male
    http://rainbow-fish.org/fishpic/nrg5.jpg – no guesses but I lucked out on most of the fish in focus….

    #351622

    Ferrika
    Participant

     

    You may kill me, but they look like R. rubromaculatus.

     

    Wait a few days and try to photograph them again. I’m not sure…..

     

    #351623

    mikev
    Participant

    yeah, das ist geil,…. after eating a load of bloodworms their appearance became quite familiar indeed…probably all males too with my luck

    #351624

    Ferrika
    Participant

    Oh no!!! Can you send them back? Or you sell them to another aquarist ….

    But one consolation I have for you: at least the animal on the last photo is a female.

    #351629

    mikev
    Participant

    Cannot do either thing. :(

    There is an even bigger consolation: they could have been r.guirinus too….

    This seems like the most stupid thing I ever did, but maybe .. tiny chance .. actually not. There is something wrong about my current rubro group, their unstoppable eating and total luck of interest in each other (I never saw males displaying to each other) felt wrong. This new fish behaves differently: they just ate a reasonable amount of worms and switching to chasing each other just a bit, instead of trying to finish all the food right away. (My R.zhou’s, both adults and babies, behave this 2nd way too… so maybe this different behavior means they will breed better too.)

    No doubt that they are rubros, and probably the same strain too, this will not be certain for a while.

    But the females are likely too few anyway.

    On other subj: this is my alpha r.h. :

    http://rainbow-fish.org/fishpic/rh10.jpg

    (again, very dark today, the photo does not show this correctly, and he is chasing everyone else away. Last time nothing has happened, we’ll see if he does better today…the prob is that along with chasing away other males he also chases away the fish we thought is a female. )

    #351631

    Ferrika
    Participant

    Ok, this is a blessing in disguise. Perhaps the new group will not irritate you so much.

    If you are playing with the idea to buy the R. giurinus, please take just a couple. The wild caught are interconnected so aggressive that they kill each other, the females as well as males.
    If you want to buy more than a couple, you have to keep them in separate tanks.

     

    Mr. R. henchuenensis will make the game soon, I think.

    #351633

    mikev
    Participant

    Nay, I think I’m staying away from r.guirinus for now…. no space, no energy, and actually there are other fishes that seem like better ideas for now, leavelli’s or candidianus (almost got them a couple of weeks ago, but things went so incredibly wrong at the last second.)

    R. henchuenensis is very moody…. sometimes he is in the mood (like yesterday), sometimes he is not (like right now)…. if this goes on I’ll take photos of suspected female(s) and bother you again, maybe they are not.

    #351634

    mikev
    Participant

    A few better photos that leave no doubt about them being rubros and I think nearly all males:

    http://rainbow-fish.org/fishpic/rubros/P1010761.JPG
    http://rainbow-fish.org/fishpic/rubros/P1010762.JPG
    http://rainbow-fish.org/fishpic/rubros/P1010765.JPG
    http://rainbow-fish.org/fishpic/rubros/P1010766.JPG
    http://rainbow-fish.org/fishpic/rubros/P1010771.JPG
    http://rainbow-fish.org/fishpic/rubros/P1010774.JPG
    http://rainbow-fish.org/fishpic/rubros/P1010775.JPG
    http://rainbow-fish.org/fishpic/rubros/P1010776.JPG
    http://rainbow-fish.org/fishpic/rubros/P1010777.JPG

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