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