Rudis rattail (Coryphaenoides rudis) fish species and information / pictures of Rudis rattail - Coryphaenoides rudis

Rudis rattail (Coryphaenoides rudis) fish species information

Scientific Name
Coryphaenoides rudis

Common Name
Rudis rattail

Biology
Dorsal spines (total): 2; Anal spines: 0. Head large, completely scaled except for the exposed posterior end of the preopercle and gill membranes. Snout short, bluntly pointed. No suborbital ridge developed; scales spinules numerous, small, sharp, conical, in irregularly divergent to roughly quincunx pattern. Pyloric caeca 12 to 16. Overall color is brown or grayish brown; fins somewhat darker.

Classification

Classified By

G?nther, 1878

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Pacific Ocean

Distribution

Pacific Ocean: Kermadec Islands, Philippines, Darwin Seamount in central Pacific, Tasman Sea, Nazca Ridge. Indian Ocean: off Socotra Island and Western Australian Ridge. Subtropical and tropical Atlantic, including the Gulf of Mexico and Caribbean Sea.

Range

35°N - 8°N

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

600 m

Depth To - meters

2380 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; non-migratory; depth range 600 - 2380 m (Ref. 10437)

Trophic Level

4.5 s.e. 0.37 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

111 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

Fisheries: of potential interest

Vulnerability

High to very high vulnerability (70 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated