Dragon Goby(note sure where to post)

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MHcblues119

MHcblues119

Peacock Bass
MFK Member
Mar 28, 2007
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Essex, New Jersey
Ok so im not rly sure where to make this thread so please move it where its should be plz...

Ok i was looking for some info on dragon gobies...lots of websites said 30+g tanks and then websites said they needed brackish water and some said freshwater......

Just looking for info on the fish...Water, parameters*,tank,cover,tankmates

any info is greatly appreciated thjank you

George:grinno:
 
I would go about 30 or more gallon tank and he will need brackish water when he gets bigger.
 
MHcblues119;2135681; said:
so he will deff need brackish then?
Click to expand...
Yes.:)
 
30 gallons is not enough for this fish. Violet gobies can reach 2' long, and they need surface area. 70 gallons or more, no less. If you get one, it needs to be acclimated to brackish. You wouldn't keep a saltwater fish in freshwater, and it's the same for brackish fish. They need a fine sand substrate, because they can choke on gravel and damage their fins on it. Something to hide under should be provided, because in the wild they burry themselves in the mud. Foods should include some type of meat, like bloodworms, and (believe it or not) algae. In the wild they eat algae and decaying organic matter.
If you're looking for a tank with more than just a violet goby, there are some suitable tankmates. Guppies, mollies, bumblebee gobies, and knight gobies all make good tankmates, and are safe. I wouldn't reccommend having knights and bumblebees, because the knight gobies may eat the smaller bb's. Don't get anything that looks or behaves similarly, like an eel. Violet gobies get territorial when they're older, and would start a fight with something like that.
The specific gravity should be ~1.005. Because of this, there are some plants that can live with the violet goby. Vallisnera, Sagittaria, banana plants, Java ferns, hornwort, and Java moss all seem to be able to live in the low-end brackish.
If you have any other questions about violet gobies, feel free to ask.
 
Well that's a difficult question to answer. What you need isn't just salt. It has to be artificial sea salt like Instant Ocean. It has all of the trace elements and stuff that a fish would encounter in saltwater or brackish bodies of water. You have to add some of this to your water, and test with a hydrometer or refractometer until it is the right specific gravity (salinity). For this fish, the SG would need to be 1.005 or maybe a little bit higher. I can't really say how much of the stuff it would take to reach that SG, because it varies upon how wet it has become and temperature (I think). Make sure you wash your refractometer before and after each use in fresh water, because it tends to accumulate salt and give higher readings. Every once in awhile it might be a good idea to measure the SG of something that you know is freshwater. If it reads 1.002, and you're aiming at an SG of 1.005 for your tank, then it needs to read 1.007 before you add the water to the tank.
 
I got my dg in fresh water, now he's in water with a sg of about 1.005, which is pretty much the minimum range for these guys, IMO. 30 gal might be okay for a 5 incher dg, but since they grow so fast it's easiest to invest in a larger tank. they need a tank with a big footprint since they dont have much of a swim bladder and stay on the tank bottom.
 
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