Shortspine chimaera (Chimaera obscura) fish species and information / pictures of Shortspine chimaera - Chimaera obscura

Shortspine chimaera (Chimaera obscura) fish species information

Scientific Name
Chimaera obscura

Common Name
Shortspine chimaera

Biology
This species is distinguished from its congeners by the following set of characters: skin thin and deciduous; color uniformly dark brownish to black; preopercular and oral lateral line canals either sharing a common branch or not; long dorsal spine, longer than first dorsal fin; structure of the CO1 gene.

Classification

Classified By

Didier, Last & White, 2008

Class

Chimaeras (Holocephali)

Order

Chimaeras (Chimaeriformes)

Family

Shortnose chimaeras or ratfishes (Chimaeridae)

Distribution

Region

Southwest Pacific

Distribution

Southwest Pacific: Australia.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

450 m

Depth To - meters

1080 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 450 - 1080 m

Trophic Level

3.46 s.e. 0.50 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

95.1 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

Moderate to high vulnerability (53 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