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