Keywords: FMIB 32644 Salmo Irideus.jpeg Salmo Irideus / Rainbow Trout Male Upper Immature Lower Subject Rainbow trout Tag Fish 1897 Cite book Manual of fish-culture based on the methods of the United States Commission of Fish and Fisheries Baird John J Washington DC Government Printing Office 1898 Report of the United States Commissioner of Fisheries 1897 Plate 20 John J Baird PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 32644 Images from the Freshwater and Marine Image Bank to check Oncorhynchus mykiss |