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Fig. 3 The pleasure of discovering the anatomy and development of zebrafish during elementary school workshops. (A) Recognize and classify different developmental stages of zebrafish using observation under the stereomicroscope. (B) Draw an adult zebrafish from an animal observed in its aquarium and learn to distinguish males from females. (C) Annotated drawing of an adult zebrafish. (D) Observing the scales of zebrafish. The comparison of what is observed under the stereomicroscope with a model made of paper that the child holds in his or her hands. (E) Cardboard model of part of the skin of the adult zebrafish with its covering scales and the sensory hair cells of the lateral line neuromasts (red arrow).