1.8K views · 434 reactions | 5 years of discus fish, and I've learnt a lot. This one has always been a favourite, and in fish terms, I guess, is reaching old age. I find it very interesting how some do so well, and some just have many issues. Maybe there's some luck involved, but it's definitely worth it. #discus #aquarium #discusfishtank #discusfish #fishtanksofinstagram #fishtank #discustank #discusaquarium #aquariums #discusindonesia | Discus Switch | Facebook

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