"atlantic" stingrays?

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cichlasomaphobe

Feeder Fish
MFK Member
May 22, 2009
42
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midwest and FL
Hi all!
Probably a simple question for the ray experts out there....
A wholesaler is selling baby "atlantic stingrays" and lists freshwater and saltwater types-but they look identical.
I am guessing these are endemic to saltwater/brackish water and they have acclimated the freshwater ones to fresh water.
Are these usually decent as far as surviveability? Is saltwater better for them? What to feed them?
They are definitely not the motoros sold through hobbyists and I have reason to doubt the quality due to previous dealings with this particular wholesaler.
Thanks for the help, I just want to be informed about anything I sell.
 
Will try to create a two way traffic flow on this by moving it in two stingray sections so you can get responses on both sides.
 
I believe they are the same Ray. They are very common in the St. John river in Florida and therefore can live in freshwater. As far as survival in freshwater i have no experiance but I assume some that know more will get in on this.
[SIZE=+1]Even though it is not likely that the freshwater stingray populations in the St. Johns River migrate to the ocean, they have not lost the physiological ability to do so. I have conducted experiments that demonstrate freshwater D. sabina from Lake Jesup can acclimate to sea water (30 ppt salinity). They are able to do this because even in fresh water their kidneys reabsorb urea. Unlike the stenohaline freshwater South American Stingrays of the family Potamotrygonidae, D. sabina still has the neprhon segment associated with urea retention. So, in essence these animals are "primed" for return to salt water by reabsorbing more urea when faced with a salinity increase.[/SIZE]
 
I assume you're talking about the guy on AquaBid.com who has them for sale all the time...! They can be raised in freshwater, but after doing quite a lot of research on them I decided not to go with them primarily because in order for them to be able to traverse both fresh and saltwater, their body's filtration is on overtime...meaning: they pee a LOT more than other types of rays which are FW or SW only.

I think it's an amazing adaptation of this species, they're pretty cool looking (at least I think so!) and they're generally MUCH cheaper than other rays...so if you have a good sized tank setup as a 'river tank' that gets a good bit of filtration then I'd say go for it. Personally, I was concerned my tank didn't have the GPH turn-over rate to support them though.

Feeding wise, I believe they're basically the same as other rays...small shrimps, crays, worms, etc.
 
OmniTranz;4327427; said:
I assume you're talking about the guy on AquaBid.com who has them for sale all the time...! They can be raised in freshwater, but after doing quite a lot of research on them I decided not to go with them primarily because in order for them to be able to traverse both fresh and saltwater, their body's filtration is on overtime...meaning: they pee a LOT more than other types of rays which are FW or SW only.

I think it's an amazing adaptation of this species, they're pretty cool looking (at least I think so!) and they're generally MUCH cheaper than other rays...so if you have a good sized tank setup as a 'river tank' that gets a good bit of filtration then I'd say go for it. Personally, I was concerned my tank didn't have the GPH turn-over rate to support them though.

Feeding wise, I believe they're basically the same as other rays...small shrimps, crays, worms, etc.
Click to expand...
which guy has them for sale and how much?
 
They don't live long in captive FW set ups. Do a search in the FW ray section, there are a lot of posts on the specifics as to why.
 
I was referring to a FL fish and plant wholesaler. I've had quality issues with them before and am pretty sure they don't use a ruler to measure fish they sell in their fairly large operation. I've ordered 5" fish that come in at 3" and 2" fish that don't even reach 1". This makes it impossible to even get my money back in a retail market. So, I'll watch them flounder about in their current business woes, no matter what the "specials" list looks like.
Thanks for all the info, but if I foray into rays, I'll get the captive bred ones from a reputable breeder.
 
cichlasomaphobe;4329504; said:
I was referring to a FL fish and plant wholesaler. I've had quality issues with them before and am pretty sure they don't use a ruler to measure fish they sell in their fairly large operation. I've ordered 5" fish that come in at 3" and 2" fish that don't even reach 1". This makes it impossible to even get my money back in a retail market. So, I'll watch them flounder about in their current business woes, no matter what the "specials" list looks like.
Thanks for all the info, but if I foray into rays, I'll get the captive bred ones from a reputable breeder.
Click to expand...

smart move.
 
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