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Re: Mixed species tanks?

Subject: Re: Mixed species tanks?
by Asumel on 3/11/2013 12:05:48


Fishlady wrote:
Did they consider that the shoaling is a response to the threat of aggression from the Angelfish and that increased shoaling activity was actually a sign of stress in the smaller fish?

They did, noting that there was no increased aggressive behaviour between the two species. the took inter and intra specific interactions into account

I see they used neon tetras, tiger barbs, angelfish and mountain minnows but failed miserably to understand that they have put fish together who would never be found in nature in the same waters, or who are known to prefer very different conditions from each other, or who are known to show aggression to each other. Science is very good at setting out to prove a theory at the expense of all the connected areas that need to be considered in real life.

They got the data from the FAO on the sales of ornamental fish in the world. yes these fish are not commonly found together in the wild but they cant do a study on all the fish sold so the picked the most common ones. not at the expence of the connected areas, You cant factor in all the variables in one experiment, each one needs to be looked at independently to get a good result and build up the picture.

Very often what is scientifically possible in a short-term single subject study bears no relationship to long term welfare or to real life practice.

Again to my point you cant look at every variable, but these are long term studies ( not over the lifetime of the fish granted) but they ran for over a year documenting all the interactions which occurs. And acctualy a large proportion of the time they are very accurate in the long and short term and real life practices
I do wonder FL why you don't accept the science's value in real life practices?