Bristol Zoo Gardens has spawned its Asian arowanas making it the first successful breeding for this species reported in Europe.
One pair owned by the zoo recently gave birth to 15 offspring.
The Bristol Zoo Gardens owns four Asian arowanas, Scleropages formosus, which were re-homed at the zoo after customs officials confiscated them in 1995.
Assistant curator of the aquarium Jonathan Rudd attributes the successful breeding to recent efforts to purify the water in the tank using reverse osmosis, coupled with increasing the water temperature by a few degrees.
http://www.practicalfishkeeping.co.uk/pfk/pages/item.php?news=1965
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