Ten rainbowfish species: explore colours and shapes in real photographs. An editorial selection, not a scientific ranking. Attribution: 1. File:Melanotaenia boesemani Natural History Museum University of Pisa.jpg; Mattia Nocciola; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Melanotaenia_boesemani_Natural_History_Museum_University_of_Pisa.jpg; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo. 2. File:Melanotaenia praecox.jpg; 7TP (Krzysztof Bartosik); CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Melanotaenia_praecox.jpg; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo. 3. File:Melanotaenia lacustris.jpg; Klaus Rudloff; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Melanotaenia_lacustris.jpg; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo. 4. File:Banded rainbowfish Melanotaenia trifasciata.jpg; http://opencage; CC BY 2.5; https://creativecommons.org/licenses/by/2.5; https://commons.wikimedia.org/wiki/File:Banded_rainbowfish_Melanotaenia_trifasciata.jpg; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo. 5. File:Melanotaenia duboulayi 238169871.jpg; Jesse de Vries; CC BY 4.0; https://creativecommons.org/licenses/by/4.0; https://commons.wikimedia.org/wiki/File:Melanotaenia_duboulayi_238169871.jpg; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo. 6. File:Melanotaenia parkinsoni 2.jpg; Klaus Rudloff; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Melanotaenia_parkinsoni_2.jpg; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo. 7. File:Regenbogenfisch im Zooaquarium Berlin.jpg; User:Haplochromis; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Regenbogenfisch_im_Zooaquarium_Berlin.jpg; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo. 8. File:Melanotaenia maccullochi 187466468.jpg; Jesse de Vries; CC BY 4.0; https://creativecommons.org/licenses/by/4.0; https://commons.wikimedia.org/wiki/File:Melanotaenia_maccullochi_187466468.jpg; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo. 9. File:Melanotaeniidae - Glossolepis incisus.JPG; Hectonichus; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Melanotaeniidae_-_Glossolepis_incisus.JPG; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo. 10. File:Iriatherina Werneri-Yellow Finned Male.jpg; Gianmaria Visconti; CC BY-SA 2.5; https://creativecommons.org/licenses/by-sa/2.5; https://commons.wikimedia.org/wiki/File:Iriatherina_Werneri-Yellow_Finned_Male.jpg; Full photograph uniformly fit inside 9:16 canvas; title and caption outside photo.