Origin whiptail (Hymenocephalus nascens) fish species and information / pictures of Origin whiptail - Hymenocephalus nascens

Origin whiptail (Hymenocephalus nascens) fish species information

Scientific Name
Hymenocephalus nascens

Common Name
Origin whiptail

Biology
Dorsal spines (total): 2. Pelvic rays usually 12 or 13. Total gill-rakers first arch (outer/inner) 16-20/22-27, second arch 23-27/22-26; chin barbel absent; snout 26-31% HL; orbit 31-38%; suborb. 2.0-3.0, interorb. 1.0-1.4 into orbit; a prominent midlateral stripe.

Classification

Classified By

Gilbert & Hubbs, 1920

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: South China Sea off Hong Kong, through Philippines and Indonesia, off northern Australia, to New Caledonia.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

366 m

Depth To - meters

855 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 366 - 855 m (Ref. 35908)

Trophic Level

3.31 s.e. 0.36 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

16.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (25 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