Zebrafish development periods

A detailed description of the stages of zebrafish development has recently been published (32) and the reader who is interested in a detailed look at the key features of this developmental series should read this paper and refer to the Zebrafish Book (33). What follows is a brief description of the key stages of zebrafish development over the first 2-s period—all of the terms and stages are consistent with those used by Kimmel et al. (32) and relate to embryos growing at 28.5°C. 

In zebrafish, there is an initial endotrophic period, from fertilization to mouth opening, where the embryo and pre-feeding larvae use endogenous yolk nutrients previously accumulated in the oocyte. As the development and survival of fish... 

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