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| one publication added to basket [383017] |
Glow on sharks: state of the art on bioluminescence research
Duchatelet, L.; Claes, J.M.; Delroisse, J.; Flammang, P.; Mallefet, J. (2021). Glow on sharks: state of the art on bioluminescence research. Oceans 2(4): 822-842. https://dx.doi.org/10.3390/oceans2040047
In: Oceans. MDPI: Basel. e-ISSN 2673-1924
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| Trefwoorden |
Dalatiidae Gray, 1851 [WoRMS]; Etmopteridae Fowler, 1934 [WoRMS]; Somniosidae Jordan, 1888 [WoRMS]
Marien/Kust |
| Author keywords |
shark; luminescence; Etmopteridae; Dalatiidae; Somniosidae; photophore; hormonal control; counter-illumination |
| Auteurs | | Top |
- Duchatelet, L.
- Claes, J.M.
- Delroisse, J.
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- Flammang, P.
- Mallefet, J.
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| Abstract |
This review presents a synthesis of shark bioluminescence knowledge. Up to date, bioluminescent sharks are found only in Squaliformes, and specifically in Etmopteridae, Dalatiidae and Somniosidae families. The state-of-the-art knowledge about the evolution, ecological functions, histological structure, the associated squamation and physiological control of the photogenic organs of these elusive deep-sea sharks is presented. Special focus is given to their unique and singular hormonal luminescence control mechanism. In this context, the implication of the photophore-associated extraocular photoreception—which complements the visual adaptations of bioluminescent sharks to perceive residual downwelling light and luminescence in dim light environment—in the hormonally based luminescence control is depicted in detail. Similarities and differences between shark families are highlighted and support the hypothesis of an evolutionary unique ancestral appearance of luminescence in elasmobranchs. Finally, potential areas for future research on shark luminescence are presented.
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