I stumbled across this while browsing the Internet and… 6 gallons? That seems WAY too small for a saltwater tank (and also REALLY expensive for such a small tank but pretty sure jellies have special needs wrt water flow, filtration, tank shape, etc so that may be a factor?). I don’t know if any of the mods know anything about jellyfish but my gut is telling me that this isn’t an appropriate size… what are your thoughts on it?
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@connorstomacock do you know anything a bout jellies?
my knowledge on jellies is fairly limited, but I know enough to be at least uncomfortable with this setup. it seems to have the right idea with the flow, since it has to be strong enough to help the jellies swim around in a circular motion without aerating the water since air bubbles can actually be harmful to jellies, and the LED light is perfectly fine (even if I’m not a fan of it being so big. especially for moon jellies, the most commonly kept jelly, who need to be kept in dimly lit tanks). the round shape isn’t bad either.
but this would be incredibly difficult to maintain the salinity and general parameters of such a small tank, and is far more expensive than is reasonable. it’s like paying $500 for a 10 gallon fry tank. it just doesnt make any sense. plus, even though it’s fine to keep more jellies in a tank than you would fish because most of them have an extremely small, almost nonexistent bioload, bigger is still better. this would only be able to house the jellies as babies, and then you would just need to move them to a bigger, custom made tank anyway. there’s no point.
most jellies you’ll find in the trade need very specific water conditions, and while they’re generally “low maintenance” as far as other aquatic creatures, they’re still far from a “set it and forget it” pet. and with moon jellies in particular (I’m not sure about other species of jellies. upsidedown jellies might be different because they photosynthesize) you actually need a chiller for your tank to maintain the temperature between 50 and 70 degree F. you also can’t use sand or small pebbles as subtrate should you for some reason decide you want to use it, and instead have to use large polished stones to keep the jellies from hurting themselves.
I could go on about the care for moon jellies, but that’s not really the point of this. overall I’d say whoever made that has the right idea for water flow and shape, but falls into the classic betta bowl syndrome that plagues the market. if anyone has experience actually keeping jellies and wants to add onto this or correct me on anything, please feel free, but my current stance on it is that this tank is far overpriced, too small, has too bright a light for most jellies, and is too difficult to maintain to even be close to worth it.
– Xander
That about sums it up.
Moon jellies can absolutely be maintained in home aquariums, but they have to be custom-built for the jellies. And you have to give them live food, usually, and keep the water flawlessly clean.
Also, the jellies only live 6 months to a year, so it’s a lot of effort for a creature that does basically nothing and will need to be re-ordered (very expensive) frequently. My advice: get a lava lamp, or some of those fake plastic jellyfish. Or a jellyfish screensaver.
If you really want jellies, look into proper setups instead of this overpriced impulse-buy bait. Consider upside-down jellies- they don’t do very much either, they stay on the bottom, but they can be kept in a regular rectangular tank and have similar care to corals. They still move, too.
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