First report of the black gemfish <i>Nesiarchus nasutus</i>
                    (Perciformes: Gempylidae) in Argentinean waters

Spath, MC.; Delpiani, G.; Brunetti, NE.; Sakai, M.; Figueroa, DE.

doi:10.1590/1519-6984.10913

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Articles • Braz. J. Biol. 75 (2) • May 2015 • https://doi.org/10.1590/1519-6984.10913 linkcopy

First report of the black gemfish Nesiarchus nasutus (Perciformes: Gempylidae) in Argentinean waters

Primeiro relatório do gemfish preto Nesiarchus nasutus (Perciformes: Gempylidae) em águas argentinas

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstracts

The gempylid Nesiarchus nasutus is reported for the first time from Argentinean waters, the southernmost occurrence of the species in the Southwestern Atlantic. This suggests that the fluctuating environmental characteristics of the area would be proper for the presence of tropical and subtropical species.

southwestern Atlantic; Brazilian current; trichiuroids fish; deep-sea

	mm	%SL
Total length Fork length	627 585
Standard length Head length	545 140	25.69
1^st Pre-dorsal length 2^nd Pre-dorsal length Pre-pectoral length Pre-pelvic length	130 429 136 143	23.85 78.71 24.95 26.24
Pre-anal length	430	78.90
Head length	153	28.07
Body depth	59	10.82
Head depth	50	9.17
Caudal peduncles depth	21	3.85
		%HL
Snout length Upper-jaw length Pre-orbital length	73 75 74	52.14 53.57 53.86
Inter-orbital length	19	13.57
Eye diameter	18	12.86
1^st Dorsal fin elements 2^nd Dorsal fin elements	XIX I - 21
Anal fin elements	I - 21
Pelvic fin elements	I - 5
Pectoral ray fins	13

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Instituto Internacional de Ecologia R. Bento Carlos, 750, 13560-660 São Carlos SP - Brasil, Tel. e Fax: (55 16) 3362-5400 - São Carlos - SP - Brazil
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