Photonectes Günther, 1887

Villarins, Bárbara T., Dario, Fabio Di, Eduardo, Leandro N., Lucena-Frédou, Flávia, Bertrand, Arnaud, Prokofiev, Artem M. & Mincarone, Michael M., 2022, Deep-sea dragonfishes (Teleostei: Stomiiformes) collected from off northeastern Brazil, with a review of the species reported from the Brazilian Exclusive Economic Zone, Neotropical Ichthyology (e 220004) 20 (2), pp. 1-78 : 58

Photonectes Günther, 1887

Diagnosis. Photonectes can be distinguished in the Melanostomiinae by the dorsal and anal fins opposed, rays covered with black skin in some species, leaving only tips of rays visible; 0–3 pectoral-fin rays; lower jaw longer than upper jaw and strongly curved upwards; lower jaw teeth uniserial; retroarticular with a process directed backwards; vomer with one or two pairs of teeth, rarely toothless; postorbital organ well-developed; some species with white luminous tissue on top of head and/or in shoulder region, others with blue luminous tissue in spots on head, inside mouth or in bands or stripes along body; 48–67 vertebrae (Morrow, Gibbs, 1964; Gibbs, 1986c; Klepadlo, 2011; Flynn, Klepadlo, 2012; Kenaley, Stewart, 2015h; Prokofiev, 2016, 2019; Prokofiev, Klepadlo, 2019; Prokofiev, Frable, 2021). A total of 29 valid species (Fricke et al., 2022).