Ten cardinalfish species compared through exact Wikimedia Commons photographs of their patterns, fins and profiles. An editorial selection, not a scientific ranking. Attribution: 1. File:Banggai cardinalfish (Pterapogon kauderni) (43875107345).jpg; Rickard Zerpe; Required credit: Rickard Zerpe; CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File:Banggai_cardinalfish_(Pterapogon_kauderni)_(43875107345).jpg; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars. 2. File:Pajama cardinal fish Sphaeramia nematoptera.jpg; Brian Gratwicke; Required credit: Brian Gratwicke; CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File:Pajama_cardinal_fish_Sphaeramia_nematoptera.jpg; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars. 3. File:Sphaeramia orbicularis-Orbic Cardinal.jpg; Sushi Girl1995; Required credit: Sushi Girl1995; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Sphaeramia_orbicularis-Orbic_Cardinal.jpg; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars. 4. File:Apogónido (Ostorhinchus aureus), islas Ad Dimaniyat, Omán, 2024-08-15, DD 05.jpg; Diego Delso; Required credit: Diego Delso; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Apog%C3%B3nido_(Ostorhinchus_aureus),_islas_Ad_Dimaniyat,_Om%C3%A1n,_2024-08-15,_DD_05.jpg; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars. 5. File:Ostorhinchus compressus 01343.jpg; Ditch Townsend; Required credit: Ditch Townsend; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Ostorhinchus_compressus_01343.jpg; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars. 6. File:Apogon imberbis side.JPG; This photo has been taken by Matthieu Sontag (User:Mirgolth) and released under the licenses stated below. You are free to use it for any purpose as long as you credit me as author, Wikimedia Commons as site and follow the terms of the licenses. Could you be kind enough to leave me a message on this page to inform me about your use of this picture.; Required credit: This photo has been taken by Matthieu Sontag (User:Mirgolth) and released under the licenses stated below. You are free to use it for any purpose as long as you credit me as author, Wikimedia Commons as site and follow the terms of the licenses. Could you be kind enough to leave me a message on this page to inform me about your use of this picture.; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Apogon_imberbis_side.JPG; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars. 7. File:Apogónido (Cheilodipterus quinquelineatus), mar Rojo, Egipto, 2023-04-17, DD 151.jpg; Diego Delso; Required credit: Diego Delso; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Apog%C3%B3nido_(Cheilodipterus_quinquelineatus),_mar_Rojo,_Egipto,_2023-04-17,_DD_151.jpg; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars. 8. File:Doederlein's cardinalfish Apogon doederleini.jpg; Unknown author Unknown author; Required credit: Unknown author Unknown author; CC BY 2.5; https://creativecommons.org/licenses/by/2.5; https://commons.wikimedia.org/wiki/File:Doederlein%27s_cardinalfish_Apogon_doederleini.jpg; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars. 9. File:Archamia fucata.jpg; BEDO (Thailand); Required credit: BEDO (Thailand); CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Archamia_fucata.jpg; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars. 10. File:HitosujiIM.jpg; Izuzuki; Required credit: Izuzuki; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:HitosujiIM.jpg; Uniform scaling without cropping; fitted into 9:16; dark blurred photographic extension; title and caption bars.