Scientific Name
Holtbyrnia latifrons

Common Name
Streaklight tubeshoulder

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 17-20; Anal spines: 0; Anal soft rays: 14 - 16; Vertebrae: 46 - 50. Dark in color with 2 white tissue patches behind the eye (Ref. 12204). Light organ at tip of lower jaw and long gill filaments not united at their bases (Ref. 12204). Branchiostegal rays: 8-9.

Classification

Classified By

Sazonov, 1976

Class

Ray-finned fishes (Actinopterygii)

Order

Smelts (Osmeriformes)

Family

Tubeshoulders (Platytroctidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: off British Columbia, Canada (Ref. 12204), and from Washington, USA (48?N) to Chile (23?S) (Ref. 35760).

Range

55°N - 23°S, 135°W - 70°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

300 m

Depth To - meters

1000 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 300 - 1000 m (Ref. 12204)

Trophic Level

3.25 s.e. 0.39 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 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (14 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated