Newborns of three syngnathid species. The newborn stage represents the first stage of the juvenile period and, for the purpose of this classification, refers to the first day post-release. Shown are (A) N. ophidion, (B) S. abaster, and (C) H. abdominalis. Scale bars are 2 mm.
Sommer et al. BMC Developmental Biology 2012 12:39 doi:10.1186/1471-213X-12-39