Lestidium nigrirostrum Ho, Graham & Russell, 2020
Australian robust barracudina
Lestidium nigrirostrum
photo by Ho et al.

Family:  Lestidiidae (Naked barracudinas)
Max. size:  33.8 cm TL (male/unsexed)
Environment:  bathypelagic; marine; depth range 280 - 752 m
Distribution:  Southwestern Pacific: Australia.
Diagnosis:  Dorsal soft rays (total): 10-10; Anal soft rays: 31-34; Vertebrae: 87-90. This species in the Lestidium atlanticum species complex is distinguished by the following: complete lateral-line; a simple luminescent duct originating below opercle; differs from its two other congeners in this species complex in having A 31-34; prehaemal vertebrae 35-38 and total vertebrae 87-90; lateral-line ending at caudal fin base, with 142-157 scales; dorsal-fin origin clearly behind tip of adpressed pelvic fin; horizontal distance between origins of pelvic and dorsal fins 5.6-8.5%SL and horizontal distance between origins of pelvic (ventral) and anal fins 28.6-38.6%; lateral-line scales 5-7; vertebrae between pelvic-fin origin and dorsal-fin origin, 4-7. Colouration: dorsal area dark brownish, melanophores extending downward to the lateral-line along its entire upper margin; the anterior portions of snout and lower jaw are blackish; abdomen has a very broad black sub-margin (Ref. 123138).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.