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Bumble bees

This topic contains 0 replies, has 1 voice, and was last updated by  Ferrika 5 years, 12 months ago.

Viewing 6 posts - 1 through 6 (of 6 total)
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  • #302317

    Graham Ramsay
    Participant

    1 month old goby – cute as a button.

     

    bumble_1month_2.jpg

    #348566

    nuchal man
    Participant

    Very cool. What did you use as a first food? I’ve lost all the fry I’ve gotten so far as I don’t think I’ve been able to give them something small enough.

    #348567

    Graham Ramsay
    Participant

    Thanks. Yes they are tricky to feed to start wth. I used paramecium for the first two days, then vinegar eels and started newly hatched brine shrimp from the fifth day. After about a week they will eat microworm too. Paramecium are great as they stay alive in the water for days although the bees will eat them last if there are other foods about. I stopped feeding paramecium at about 3 weeks but continue to feed microworm, vinegar eels and bbs. They are too small (less than 10mm still) for grindal worm yet but this will be the next step – probably in a week or two.

    I had spawned this little fish a few times before but always lost the fry at about 18 – 20 days to some kind of fin rot. This time it looks like they have passed that stage and are now hopping around the bottom like proper wee gobies.

    #348569

    Ferrika
    Participant

    Important for the Brachygobius larvae is the conductance. If this is below 3500 µS, weaken the larvae and then uses the food nothing more. The conductivity is achieved with about 2Gramm/Liter salt.

    As a starter feed are either paramecia or Brachionus. I prefer the latter because these can accumulate well. My larvae have already started 7 days to eat Artemia.

     

    @Graham

    If you feed them too many micro worms or Grindal, the animals run the risk of getting a fatty liver. This leads to a reduced life expectancy.

    #348574

    Matt
    Keymaster

    Interesting that conductivity can be a problem as some Brachygobius spp. inhabit peat swamps, or is this only applicable to certain species Jutta?

    #348575

    Ferrika
    Participant

    I didn’t try at other species, Matt, because they won’t spawn :-) But at B. doriae it is so. I tried before without salt and lost all larvaes. And I heard it from other holders too.

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