That's good news, maybe we will begin to see them in more zoos.
Generally how are manatees exhibited in Europe? I take it that the pools have to be entirely indoors, usually in a greenhouse or something? I saw some photos in the gallery of a European manatee pool (think it was Artis) that looked really quite disappointing and small. Nuremberg's enclosure also looks horribly small (I guess the same one that was built for them in the 70s,) yet they're breeding. Apparently Nuremberg is building a new enclosure soon. The 'in-vogue' manatee enclosure seems to be part of a Amazon Rainforest hall or something like?
Regarding manatees, I don't think they are interchangeable with dolphins and the general public recognises that they are completely different animals (they tend to confuse them with seals though). They don't do very much although I and I imagine everyone here loves to see them. I don't think they would attract the attention/revenue of cetaceans. They are tropical animals and require heated indoor pools, which means they are expensive to set up. They must be cheaper to feed though. When the few zoos that keep them are successful in breeding them they have the problem of housing them - if the young stay the pool can look rather crowded eg Beauval, and the initial capital expense of housing must mean that most other zoos are reluctant to take them. This is perhaps a smaller version of the problem now emerging with the increased "production" of elephants, especially bulls, and male gorillas too.