I spent Saturday helping set up tropical fish tanks. Tropical fish aren't my hobby, but they are my son's passion - in particular the multi-coloured Betta Splendens, better known as Siamese Fighting Fish. Over the years Andrew has become an expert on these diminutive piscine gladiators.
A number of beautiful specimens arrived from the recognised quality source in Thailand and needed proper housing. Such housing must be segregated because fighting is instinctive, instant, territorial - the males of these fish are so antisocial with other males that zero tolerance is written into their genetic code with indelible felt tip pen - or whatever the scientific equivalent to the felt tip pen might be in genetic code writing!
So I now know how to build a condominium for celebrity fish
Here's a couple of samples courtesy of Atisonbetta, the supplier
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