DIPLOPHIDAE

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 : 6

publication ID

https://doi.org/ 10.1590/1982-0224-2022-0004

persistent identifier

https://treatment.plazi.org/id/EC2487AA-EA0D-C506-6474-FBFDFD31508B

treatment provided by

Felipe

scientific name

DIPLOPHIDAE
status

 

DIPLOPHIDAE

The Diplophidae as considered here includes ten valid species in the genera Diplophos Günther, 1873 , Manducus Goode & Bean, 1896 , and Triplophos Brauer, 1902 (Nelson, 2006; Kenaley, Stewart, 2015b). Fishes of the family are characterized by having an elongate body, two rows of photophores along the body (ventral and lateral series), dorsal adipose fin absent, chin barbel absent, dorsal-fin origin in advance of anal-fin origin, 10–15 dorsal-fin rays, 36–68 anal-fin rays, more than 61 vertebrae, teeth in premaxilla uniseral and biserial in lower jaw, presence of photophores on isthmus, one orbital photophore and IC 70–115 (Grey, 1964; Johnson, 1970; Ozawa et al., 1990; Kenaley, Stewart, 2015b; Koeda, Ho, 2019).

Three species of the Diplophidae were previously reported in the Brazilian EEZ in the genera Diplophos and Manducus (Mukhacheva, 1978; Smith et al., 1991; Figueiredo et al., 2002; Menezes et al., 2003; Braga et al., 2007; Costa, Mincarone, 2010; Pinheiro et al., 2015; Judkins, Haedrich, 2018; Eduardo et al., 2020c), all of which were identified among specimens examined in this study. In addition, the occurrence of a fourth species of the family, Triplophos hemingi (McArdle, 1901) , is reported for the first time in Brazilian waters.

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