Scientific Name
Dolichopteryx pseudolongipes

Common Name
Spookfish

Biology
Dorsal soft rays (total): 11; Anal soft rays: 9; Vertebrae: 43 - 45. This species has small and tubular eyes (2.7-3.9% SL in diameter); with adipose fin; anal fin base originating under dorsal fin base; predorsal relatively short, 73.3-73.8% SL, prepelvic 64.3-67.9%SL, preanal 77.4-80.1%SL, and preanus 71.5-75.7% SL; total gill rakers 31-33 ( 9-10 + 22-24); vertebrae 43-45 (Ref. 78523).

Classification

Classified By

Fukui, Kitagawa & Parin, 2008

Class

Ray-finned fishes (Actinopterygii)

Order

Smelts (Osmeriformes)

Family

Barreleyes or spookfishes (Opisthoproctidae)

Distribution

Region

Eastern Central Pacific. Off California and Galapagos Is.

Distribution

Eastern Central Pacific. Off California and Galapagos Is.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

400 m

Zone

benthopelagic

Environment

Marine; benthopelagic; depth range 0 - 400 m (Ref. 78523)

Trophic Level

3.5 s.e. 0.12 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

8.0 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

Fisheries:

Vulnerability

Low vulnerability (21 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