New Guinean hairtail (Demissolinea novaeguineensis)

Scientific name: Demissolinea novaeguineensis Burhanuddin & Iwatsuki, 2003

The New Guinean hairtail (Demissolinea novaeguineensis) is a marine fish of the family Trichiuridae. Native range: Western Central Pacific, known only from the type locality, off Dolak Island, southwestern New Guinea.

Biology

Dorsal spines (total): 3; Dorsal soft rays (total): 135-137; Anal spines: 1; Anal soft rays: 97 - 101; Vertebrae: 156 - 170. Lateral line descending steeply from head and reaching close to ventral body margin; maxilla extending almost to a vertical through posterior margin of eye; subopercle large, elongated, anteriorly serrated, and fimbriated along posterior margin; first anal spine enlarged, dagger-shaped; and caudal peduncle vertebrae short and bearing neural spines (except ultimate centrum), the last four penultimate centra each bearing one long and two short neural spines on the middle of the dorsal zygapophyses. Lacks a caudal fin, the body tapering to a hairlike tail.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Demissolinea novaeguineensis
Family
Trichiuridae (Cutlassfishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
45.0
Environment
Marine; benthopelagic
Climate
Deep-water
Distribution
Western Central Pacific: known only from the type locality, off Dolak Island, southwestern New Guinea.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Low, minimum population doubling time 4.5 - 14 years (Assuming tmax>10)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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