Spinaker grenadier (Ventrifossa nigrodorsalis) fish species and information / pictures of Spinaker grenadier - Ventrifossa nigrodorsalis

Spinaker grenadier (Ventrifossa nigrodorsalis) fish species information

Scientific Name
Ventrifossa nigrodorsalis

Common Name
Spinaker grenadier

Biology
Dorsal spines (total): 2; Anal spines: 0. Scales medium-sized, with slender, sharp, conical slanting spinules arranged in widely divergent V rows or in quincunx pattern. Snout with black margin along its leading edge, extending posteriorly to suborbital shelf but not over supranarial and median nasal ridges.

Classification

Classified By

Gilbert & Hubbs, 1920

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: southern Japan, Taiwan, Philippines, and parts of Indonesia (Borneo, Halmahera). Slight morphological variation seen in specimens from Japan and Indonesia, but not sufficient to recognize additional taxa.

Range

34°N - 8°S, 115°E - 138°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

270 m

Depth To - meters

700 m

Zone

bathydemersal

Environment

Marine; bathydemersal; non-migratory; depth range 270 - 700 m (Ref. 1371)

Trophic Level

3.74 s.e. 0.52 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

34.0 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

Fisheries: minor commercial

Vulnerability

Moderate vulnerability (40 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