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SlideshowReport

Effects of growth rate on development.

Description
(b) Distribution of the common mudpuppy in Canada. (c) Paedomorphosis occurs when an adult species retains characteristics that are juvenile traits in another related species. The common mudpuppy, Necturus maculosus, is permanently aquatic. It is the largest and rarest species of salamander in Canada and reproduces at the tadpole stage.
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