freshwater bamboo shark

[Exiled]

thanks is just too cool.

 

[Shiroi Katsune]

In Florida there are large populations of Southern Stingray that are completely freshwater for life. They were said to be land locked when the St. John and other rivers of the sort receded from the sea. They are slightly smaller however they are the same species and reproduce as they have for hundreds of years. Also, don't Greenland Sharks go into freshwater. I saw some thing about them being in the St. Lawrence river on discovery. Coming across that would definatly make my wet suit brown!

 

[cudamaster13]

A lot of sharks are saltwater fish. If you try to study regarding osmotic shock and osmoregulation, then you will see what really is wrong with this practice. SW and FW fish are very different. IMO, forcing them to adapt to conditions to the convenience of the aquarist is really cruel. SW and BW fish become more prone to fungal infections compared to FW and vice versa in certain cases. In both cases, certain species are unable to live for a long time. This is another reason why the practice is wrong.

bull sharks are the only sharks with the ability to live in brackish water and fresh water as well as saltwater but they have been known to eat hippoes so anyone who would want to keep one would be

 

[Moontanman]

I'm still looking for the study done on the populations living in isolated freshwater lakes in South America (Ven). That's even more thought provoking to me.

Zoodiver, did you ever find that study?

 

[Zoodiver]

In Florida there are large populations of Southern Stingray that are completely freshwater for life. They were said to be land locked when the St. John and other rivers of the sort receded from the sea. They are slightly smaller however they are the same species and reproduce as they have for hundreds of years. Also, don't Greenland Sharks go into freshwater. I saw some thing about them being in the St. Lawrence river on discovery. Coming across that would definatly make my wet suit brown!

Those are actually Atlantic rays.... they look like Southerns, only smaller.

 

[Zoodiver]

Moonman, I shot off an email to a friend of mine working down there, but haven't heard back. They don't get to electric and fancy things like internet too often. If I hear back, I'll let you know. Until then I'll pass the over.

bull sharks are the only sharks with the ability to live in brackish water and fresh water as well as saltwater but they have been known to eat hippoes so anyone who would want to keep one would be

I've kept bulls, but then again I'm more than a little

 

[Chilumba]

The sharks are probably in saltwater it just looks freshwater because there are goldfish in there! My point it the title is just to catch your eye and make you watch the video.

 

[Jntg4]

not the Glyphis genus.

Was this in someone's house, an aquarium, or a pet store?

 

[snow fish]

there are freshwater sharks ....such as Lake Nicaragua shark......also lake Ponchatrain ....(spelling..oops)..in New Orleans is identified to have species of freshwater sharks.... i think that there is one other lake in africa...too

 

[krj-1168]

Actually - the "freshwater Sharks" that you are thinking of in Lake Nicaragua, near New Orleans, and in Africa - are in fact all the same species - Carcharinus leucas AKA the Bull Shark.

The Genus Glyphis - does contain species of requiem sharks (closely related to the Bull) that are known to spend a good deal of time in freshwater. Although there is some debate as to if they are completely freshwater or not.