obviously there nothing wrong with feeding fish to blue tongues then?
Evidence on mercury poisoning???
can't imagine a BT managing to catch a live fish in the wild and I doubt it's part of their natural diet.
It has affected some people but they were eating high food chain animals such as dolphin. If you gave your bluey fish all the time you would see the effects for sure.It's called biological magnification, animal systems don't have the capacity to remove certain substances (like mercury, DDT etc) from the body so it slowly accumulates and increases in concentration as you go up the food chain.
Although this is at a very slow rate so I couldn't imagine if a bluetongue was occasionally fed fish that it would show any adverse effects, just like it doesn't have an effect on most people as far as I know (but it is advised to eat smaller fish that are lower on the food chain). Obviously dolphins are more at risk as they feed exclusively on fish and other marine prey.
I think as others have said any problems with feeding fish to reptiles would be the differences from their natural diet... oil, protein etc. Which again shouldn't be a problem if it is part of a good varied diet.
If you are inclined to feed fish obviously use 100% fish rather than anything flavor enhanced.
Fair point.Keep in mind canned tuna is usually smaller animals less then a year old and so have significantly lower mercury levels than your average adult tuna.
Can't imagine them tackling a cow in the middle of the paddock either, but they seem to thrive on beef or lamb whiskas cat food
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