Scientific Name
Trichiurus nickolensis

Common Name
Australian short tailed hairtail

Biology
Dorsal spines (total): 3; Dorsal soft rays (total): 138-143; Anal spines: 1; Anal soft rays: 108 - 117; Vertebrae: 160 - 166. Anterior margin of pectoral fin spine not serrate; first anal spine base situated below 34th-36th dorsal fin rays; total gill raker bases with a long spine 13-18; highest point of supraoccipital crest situated vertically above posterior margin of eye; strong pigmentation on anterior section of dorsal fin membrane; dorsal margin of head concave, in lateral view, rises gently from snout tip to a vertical through middle of orbit then extending more steeply to dorsal fin origin; preanal length 29-32% TL; head length 11-12% TL; upper jaw length 4% TL; predorsal length 7-8% TL (Ref. 49863).

Classification

Classified By

Burhanuddin & Iwatsuki, 2003

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cutlassfishes (Trichiuridae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: northern Australia.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

77 m

Depth To - meters

79 m

Zone

benthopelagic

Environment

Marine; benthopelagic; depth range 77 - 79 m (Ref. 49863)

Trophic Level

4.09 s.e. 0.70 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

70.2 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low to moderate vulnerability (30 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated