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Título

Description of Merluccius tasmanicus sp. nov. and redescription of Merluccius australis (Pisces: Merlucciidae)

AutorMatallanas, Jesús; Lloris, Domingo
Fecha de publicaciónfeb-2006
EditorCambridge University Press
CitaciónJournal of the Marine Biological Association of the UK 86(1): 193-199 (2006)
ResumenA new hake species, Merluccius tasmanicus sp. nov., is described from New Zealand waters and another species, Merluccius australis is redescribed. Merluccius tasmanicus sp. nov. differs from all other congeneric species in the following combination of characters: upper profile of the head slowly concave; lateral line slowly concave in the caudal region; body depth 4.9–5.9 times in standard length (SL); orbital diameter 6.1–7.1 times in head length, 2.1–2.2 times in snout length and 1.6–1.9 times in interorbital width; second dorsal fin rays, 42–43; anal fin rays, 42–44; lateral line scales [similar]164. Merluccius australis is redescribed to clarify the identity of this species. Merluccius australis differs from all other congeneric species in the following combination of characters: upper profile of the head straight; lateral line straight in the caudal region; body depth 6.6–7.1 times in SL; orbital diameter 4.5–5.4 times in head length, 1.2–1.7 times in snout length and 1.0–1.3 times in interorbital width; second dorsal fin rays, 40–43; anal fin rays, 40–43; lateral line scales, more than 155. Merluccius tasmanicus sp. nov. is found in New Zealand and Patagonian waters and occasionally in Japanese waters; Merluccius australis is reported in both New Zealand and Patagonian waters.
Descripción7 pages, 2 figures, 1 table
Versión del editorhttp://dx.doi.org/10.1017/S0025315406013038
URIhttp://hdl.handle.net/10261/22254
DOI10.1017/S0025315406013038
ISSN0025-3154
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