Ecological functions of shark luminescence

Claes, Julien;Mallefet, Jérôme
(2014) Luminescence : journal of biological and chemical luminescence — Vol. 29, n° Sppl1, p. 13-15 (2014)

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Abstract
Sharks from the Etmopteridae and Dalatiidae families are among the most enigmatic bioluminescent organisms. Although they encompass about 12% of current shark diversity, with over 50 described species, their luminescence is rarely observed. Moreover, contrary to the situation encountered in other animals, their intrinsic light organs (photophores) are primarily controlled by hormones rather than by nerves and form a diversity of patterns whose adaptive advantage has long remained obscure. This work aims to synthetize recent advances made in the field of shark luminescence ecology as well as to present novel experimental data in order to inspire future research. It involves various techniques such as in vivo luminescence measurements [via an optic fibre coupled to a luminometer (Berthold FB12)], spectrophotometry [with a mini-spectrometer (Hamamatsu Photonics C10083CA)], stereology and visual modelling.
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Claes, J., & Mallefet, J. (2014). Ecological functions of shark luminescence. Luminescence : journal of biological and chemical luminescence, 29(Sppl1), 13-15. https://hdl.handle.net/2078.5/36380 (Original work published 2014)