Longfin dragonfish (Tactostoma macropus) fish species and information / pictures of Longfin dragonfish - Tactostoma macropus

Longfin dragonfish (Tactostoma macropus) fish species information

Scientific Name
Tactostoma macropus

Common Name
Longfin dragonfish

Biology
Mesopelagic migrating into epipelagic at night (Ref. 35904). Oviparous, with planktonic eggs and larvae (Ref. 35904).

Classification

Classified By

Bolin, 1939

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Barbeled dragonfishes (Stomiidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Japan (Ref. 559); Kamchatka and Kuril Islands (Ref. 41668). Eastern Pacific: Bering Sea (Ref. 265) and the Gulf of Alaska to southern California, USA (Ref. 2850), southwards to central Baja California (Ref. 35904). Reported from Chile.

Range

66°N -

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

2000 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 0 - 2000 m (Ref. 50610)

Trophic Level

4.2 s.e. 0.73 Based on diet studies.

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

34.3 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low to moderate vulnerability (33 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.3)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated