Freshwater pipefish are not commonly traded but they do turn up in the better aquarium shops from time to time. They belong to the same family as the seahorses, the Syngnathidae, and like seahorses have armoured bodies that make it impossible for them to swim very fast. These were once very rarely seen in aquaria, but in the last year or two have become quite widely traded. They are not at all delicate, and in fact can do extremely well in aquaria. But the main problem is feeding them, as pipefish usually only ever accept live foods, and will certainly…