Sturgeon grenadier (Mataeocephalus acipenserinus) fish species and information / pictures of Sturgeon grenadier - Mataeocephalus acipenserinus

Sturgeon grenadier (Mataeocephalus acipenserinus) fish species information

Scientific Name
Mataeocephalus acipenserinus

Common Name
Sturgeon grenadier

Biology
Dorsal spines (total): 2; Anal spines: 0. Snout long, sharply pointed, with a prominent, bifid, terminal scute; underside of the head almost entirely naked. Body scales with short, conical, posteriorly directed, spinules arranged in 4 to 6 parallel rows. Periproct moderate-sized, pear-shaped to oval, midway between the pelvic and anal fins; usually with a small black fossa anterior to anus.

Classification

Classified By

Gilbert & Cramer, 1897

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Indo-Pacific, tropical waters

Distribution

Indo-Pacific, tropical waters: from the Indian Ocean to Sala y Gomez; north to Hawaii; south to New Caledonia.

Range

26°N - 13°N, 166°W - 148°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

400 m

Depth To - meters

1300 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; non-migratory; depth range 400 - 1300 m (Ref. 75667)

Trophic Level

3.43 s.e. 0.46 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

20.0 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

Fisheries: of no interest

Vulnerability

Low to moderate vulnerability (28 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