When nature gets it wrong...fish that thrive in captivity.

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knifegill

knifegill

Peacock Bass
MFK Member
Sep 19, 2005
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Oscar Tummy
I know that many rift lake species grow larger and look better in captivity. I've read that this can be attributed to the catastrophic recent geological history of those lakes. So what other species are known which are not as 'healthy' in their 'natural' condition as they are in other biotopes they've invaded or in captivity?

Title should be: When nature gets IT wrong. Fix if you can.
 
Interesting question indeed... although technically speaking, if you could provide a big enough tank with proper filtration + nutritional diet for the fish then theres no reason why any fish wouldn't do better than in nature... especially if you could replicate something similar to their natural habitat...
 
Just from thinking about how brutal mother nature can be vs. the 5 star living conditions that can be had in a tank I think most fish given proper tank/space, husbandry and diet are not nessicarly bigger but deff. healthier than their wild cousins. In a tank the fish dont have to compete for/with food, predators, disease, climate etc. So it wouldnt shock me to find a lot of species will grow bigger, faster, healthier in a properly maintained aquarium than in the wild.
 
There are alot of species like killifish come from environments that dry out during certain seasons. I think they have it better in clean/consistant water in our tanks than a drying up pool of oxygen depleted water.
 
LD50;3978952;3978952 said:
Just from thinking about how brutal mother nature can be vs. the 5 star living conditions that can be had in a tank I think most fish given proper tank/space, husbandry and diet are not nessicarly bigger but deff. healthier than their wild cousins. In a tank the fish dont have to compete for/with food, predators, disease, climate etc. So it wouldnt shock me to find a lot of species will grow bigger, faster, healthier in a properly maintained aquarium than in the wild.
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I agree with alot of this statement. One thing though, in the wild there is a natural order of "survival", or "only the strong survive". I firmly believe that a natural predation process needs to occur in order to keep the strongest, fittest around. It would be interesting to be able to track and document a tank raised predator fish like a Jag or Dovii and see how well they would do if released in there natural/wild environment.....
 
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