Duplicating a rio negro sandbankk

THINK OF SOUTH American fishes and we mostly think of species from the Amazon basin. Like all river basins, the Amazon has an edge, in this case, one of those edges is the Guiana Shield, a region rich

DR PETER BURGESS Peter is our disease expert. Send questions his way if you have pathogen problems. BOB MEHEN Bob is a master of fishkeeping general knowledge and community tanks. JEREMY GAY Jeremy is

Fancy being featured in the next issue of Practical Fishkeeping Magazine? Showcase your work and share your photographs with the Fishkeeping community – if you have a tank you’re proud of, we want to

IN THE AUGUST ‘25 edition of PFK, I discussed at length one of my favourite oddball fish: the urchin clingfish, scientifically known as Diademichthys lineatus. In said article, I mentioned that althou

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The oceans are constantly moving, and water flow is actually even more critical to corals than light. Many corals in the deep oceans survive without any light, gaining all their nutrition from capturi