Javelin spookfish (Bathylychnops exilis) fish species and information / pictures of Javelin spookfish - Bathylychnops exilis

Javelin spookfish (Bathylychnops exilis) fish species information

Scientific Name
Bathylychnops exilis

Common Name
Javelin spookfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 13-16; Anal spines: 0; Anal soft rays: 10 - 14; Vertebrae: 78 - 84. Branchiostegal rays: 2.

Classification

Classified By
Cohen, 1958
Class
Ray-finned fishes (Actinopterygii)
Order
Smelts (Osmeriformes)
Family
Barreleyes or spookfishes (Opisthoproctidae)

Distribution

Region
Eastern Atlantic
Distribution
Eastern Atlantic: off Azores Island. Northeast Pacific: British Columbia, Canada (Ref. 11980) to central California (Ref. 35626). Northwest Pacific: Kashimanada Sea, Japan (Ref. 559).
Range
55°N - 35°N, 140°E - 120°W

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
640 m
Zone
pelagic-oceanic
Environment
Marine; pelagic-oceanic; oceanodromous (Ref. 51243); depth range 0 - 640 m (Ref. 559)
Trophic Level
4.08 s.e. 0.14 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
50.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.6250 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
High vulnerability (61 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated