Astronesthes similus Parr, 1927

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 : 34

publication ID

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

persistent identifier

https://treatment.plazi.org/id/EC2487AA-EA29-C522-640B-FDEBFB995316

treatment provided by

Felipe

scientific name

Astronesthes similus Parr, 1927
status

 

Astronesthes similus Parr, 1927 View in CoL

( Fig. 8E View FIGURE 8 )

Diagnosis. Astronesthes similus differs from congeners by the anal-fin base longer than the dorsal-fin base; 11–12 dorsal-fin rays; 6 pectoral-fin rays; BR 20–21; OA 39– 41; IC 59–63; AC in a straight line; only two filaments on the terminal bulb of the chin barbel (Gibbs et al., 1984; Parin, Borodulina, 2003).

Geographical distribution. Western Atlantic, between 43ºN and 27ºS, including the Gulf of Mexico and the Caribbean Sea (Parr, 1927; Gibbs et al., 1984; McEachran, Fechhelm, 1998; Harold, 2003; Menezes et al., 2003; Moore et al., 2003; Ramírez et al., 2019). In Brazil, the species is reported off the northeastern region (Eduardo et al., 2020c), from off Bahia to Rio de Janeiro States (Braga et al., 2007), and in the Vitória-Trindade Chain (Davis Seamount; Pinheiro et al., 2015). Records outside the Brazilian EEZ in the vicinities of the Saint Peter and Saint Paul and Trindade and Martin Vaz archipelagos are also known (Gibbs et al., 1984; Judkins, Haedrich, 2018). Astronesthes similus is reported here based on specimens collected between depths of 90 and 1,113 m off Paraíba and Rio Grande do Norte States ( Fig. 7B View FIGURE 7 ) .

Specimens examined. 10 (36–75 mm SL): NPM 3423, 1 (40 mm), AB1#34; NPM 4811, 2

(53–75 mm), AB2#59A; NPM 4822, 7 (36–48 mm), AB2#59B.

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