Graceful dragonfish (Photonectes gracilis) fish species and information / pictures of Graceful dragonfish - Photonectes gracilis

Graceful dragonfish (Photonectes gracilis) fish species information

Scientific Name
Photonectes gracilis

Common Name
Graceful dragonfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 18; Anal spines: 0; Anal soft rays: 20. Membrane of dorsal and anal fins thin, rays clearly visible (Ref. 13608).

Classification

Classified By
Goode & Bean, 1896
Class
Ray-finned fishes (Actinopterygii)
Order
Lightfishes and Dragonfishes (Stomiiformes)
Family
Barbeled dragonfishes (Stomiidae)

Distribution

Region
Eastern Indian Ocean and Western Central Pacific
Distribution
Eastern Indian Ocean and Western Central Pacific: off Dampier, Western Australia and off Cape York, Queensland. Western Central Atlantic: off Martinique (Ref. 12965) and Suriname (Ref. 13608).
Range
Unknown

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
850 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; depth range ? - 850 m (Ref. 13608)
Trophic Level
4.02 s.e. 0.68 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
20.8 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 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 (31 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated