Deep-water bristlemouth (Cyclothone atraria) fish species and information / pictures of Deep-water bristlemouth - Cyclothone atraria

Deep-water bristlemouth (Cyclothone atraria) fish species information

Scientific Name
Cyclothone atraria

Common Name
Deep-water bristlemouth

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 12-15; Anal spines: 0; Anal soft rays: 17 - 20; Vertebrae: 31 - 33. Body dark-brown or black; margin of scale pockets especially dark; area immediately anterior to anal origin densely pigmented and not transparent; peritoneum black, ending above area between 3rd and 4th VAV, usually invisible from the outside (Ref. 559). Gill lamellae free and reduced (Ref. 559).

Classification

Classified By
Gilbert, 1905
Class
Ray-finned fishes (Actinopterygii)
Order
Lightfishes and Dragonfishes (Stomiiformes)
Family
Bristlemouths (Gonostomatidae)

Distribution

Region
North Pacific
Distribution
North Pacific: temperate and subtropical, from southern Japan to Baja California, from 21?N and into the Bering Sea.
Range
64°N - 20°N, 105°E - 130°W

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
298 m
Depth To - meters
4938 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; depth range 298 - 4938 m (Ref. 58302), usually 400 - 2400 m (Ref. 58302)
Trophic Level
3.14 s.e. 0.28 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
6.2 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (16 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