Velvet whiptail (Trachonurus gagates) fish species and information / pictures of Velvet whiptail - Trachonurus gagates

Velvet whiptail (Trachonurus gagates) fish species information

Scientific Name
Trachonurus gagates

Common Name
Velvet whiptail

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 6-8. Without a grooved lateral line. Chin barbel 4-8 % of head length. Suborbital width, 13-15%; postorbital length of head 50-55%. Total gill rakers of first arch (mesial) 11-13; second arch (lateral or mesial) 10-13/10-12. Scale rows below mid-base of first dorsal 25-31; over a distance equal to predorsal length usually 35-42; and between pelvic fin base and gill cover 11-14. Mouth moderately large; lips thick and fleshy (Ref. 13675).

Classification

Classified By

Iwamoto & McMillan, 1997

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Australia and New Zealand.

Range

15°S - 44°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

436 m

Depth To - meters

1240 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 436 - 1240 m (Ref. 13675)

Trophic Level

3.59 s.e. 0.49 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

47.8 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate to high vulnerability (50 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated