Scientific Name
Trichiurus russelli

Common Name
Short-tailed hairtail

Biology
Dorsal spines (total): 3; Dorsal soft rays (total): 127-131; Anal spines: 1; Anal soft rays: 101 - 106; Vertebrae: 149 - 153. Color when preserved, head and body yellowish tan; all fin membranes hyaline; dusky dermal process on tip of each jaw clearly remained. Body extremely elongated, ribbon-like. Top of supraoccipital crest situated vertically above posterior margin of eye. Very slightly pigmented on upper part of anterior dorsal fin membranes. Posterior margin of preopercle clearly visible because clearly projected externally, but anterior margin of preopercle not clear. First anal fin spine base situated below 32nd-35th dorsal fin ray base (Ref. 44252).

Classification

Classified By

Dutt & Thankam, 1967

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cutlassfishes (Trichiuridae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Waltair Coast, Andhra Pradesh, northeastern India, Bengal Bay and northern Gulf of Thailand.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Marine; benthopelagic

Trophic Level

4 s.e. 0.68 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

51.0 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 vulnerability (24 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