Rendezvous fish (Polymetme corythaeola) fish species and information / pictures of Rendezvous fish - Polymetme corythaeola

Rendezvous fish (Polymetme corythaeola) fish species information

Scientific Name
Polymetme corythaeola

Common Name
Rendezvous fish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 10-14; Anal spines: 0; Anal soft rays: 27 - 34; Vertebrae: 43 - 45. Dark dorsum, flanks silver; black pigment on outer caudal rays (Ref. 3988). Two rows of photophores on the body (Ref. 37473). Pyloric caeca 7-8; photophores above anal fin 15-17 (Ref. 41740).

Classification

Classified By
Alcock, 1898
Class
Ray-finned fishes (Actinopterygii)
Order
Lightfishes and Dragonfishes (Stomiiformes)
Family
Lightfishes (Phosichthyidae)

Distribution

Region
Indo-West Pacific
Distribution
Indo-West Pacific: Gulf of Aden and East Africa to Japan and the Tasman Sea (Ref. 41740). Also Atlantic and eastern Pacific.
Range
66°N - 48°S, 180°W - 180°E

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
165 m
Depth To - meters
800 m
Zone
benthopelagic
Environment
Marine; benthopelagic; depth range 165 - 800 m (Ref. 4470), usually 300 - 500 m (Ref. 3988)
Trophic Level
4.4 s.e. 0.80 Based on food items.
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
26.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5156 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