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A small fossil reveals that the largest freshwater fish, Otophysans, emerged in the sea, not in rivers, changing the ...

1. Introduction to histotechniques and fish gross anatomy -- 2. Tissues of fishes -- 3. The skeleton of fish -- 4. Skin and associated sense structures -- 5. The respiratory system -- 6.

Front Cover; Biology and Physiology of Freshwater Neotropical Fish; Copyright; Contents; Contributors; Chapter 1: Phylogeny and classification of Neotropical fish ...