Hi Dave,
In the USA Zoos, Philly (where I work) actually beat Toledo in the first reproduction of this species.
I personally observed a female T. natans grab a new born and consume it in addition with the group I recently aquired (at home) I managed to save one baby this time but found several sets of gills in the tank. As I was able to search the entire tank, and there were no other offspring I can only surmise that these also were consumed by the adults.

One of the Zoos (who shall remain nameless) with an early reproduction, indicated that they thought the offspring did not need to be fed as they thought they observed the offspring scraping slime off of the adults (ala discus). No other institution has ever observed this and subsequent observations at the initial Zoo.

A couple of years ago I had over 40 offspring at work. We are shipping some of the last ones from that group out in a couple of weeks to another Zoo.

Ed

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