Chain catshark or chain dogfish, Scyliorhinus retifer. Showing fluorescent colours when photographed under special blue or ultraviolet light and filter. Scyliorhinus retifer. Is one of four elasmobranch species shown to possess biofluorescent properties. They exhibit bright green fluorescence patterns resulting from the presence of fluorescent compounds in their skin. Catsharks possess the ability to detect the green biofluorescence that is emitted by their conspecifics and this fluorescence creates greater contrast with the surrounding habitat in deeper blue-shifted waters (under solar or lunar illumination). Aquarium photography

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C'est l'une des quatre espèces d'élasmobranches qui possèdent des propriétés biofluorescentes. Ils présentent des motifs de fluorescence vert vif résultant de la présence de composés fluorescents dans leur peau. Les Roussettes possèdent la capacité de détecter la biofluorescence verte émise par leurs congénères et cette fluorescence crée un contraste plus important avec l'habitat environnant dans des eaux plus profondes à décalage bleu (sous un éclairage solaire ou lunaire).

Keywords

Wild animal / Fish (animal) / Chondrichthyes / Elasmobranchii / Shark / Catshark (Scyliorhinidae) / Chain catshark (Scyliorhinus retifer)

Species / Species particularity / Fishes particularity / Saltwater fish

Natural resources use / Fauna use / Captive animal / Aquarium / Saltwater aquarium

Individual / Stage of development / Adult

Enumeration / Alone

Shot / Portrait

Shot / Profile shot

Shot / Underwater shot

Light effect / Artificial light

Colour / Colorful

Behavior / Bioluminescence

Image processing / Digital assembly

Species / IUCN Red List of Threatened Species / Low Risk (IUCN) LR / Least Concern (IUCN) LC

Individual / Nobody

Latin keywords

Eukaryota / Opisthokonta / Metazoa / Bilateria / Coelomata / Deuterostomia / Chordata / Vertebrata / Pisces / Chondrichthyes / Elasmobranchii / Euselachii / Carcharhiniformes / Scyliorhinidae / Scyliorhinus

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