Smalleyed rabbitfish (Hydrolagus affinis) fish species and information / pictures of Smalleyed rabbitfish - Hydrolagus affinis

Smalleyed rabbitfish (Hydrolagus affinis) fish species information

Credit for image

Scientific Name
Hydrolagus affinis

Common Name
Smalleyed rabbitfish

Biology
Lacks a separate anal fin. Pectoral fin does not overlap pelvic fin. Short caudal filament. Dark brown in color.

Classification

Classified By

de Brito Capello, 1868

Class

Chimaeras (Holocephali)

Order

Chimaeras (Chimaeriformes)

Family

Shortnose chimaeras or ratfishes (Chimaeridae)

Distribution

Region

Northeast Atlantic

Distribution

Northeast Atlantic: Rockall Trough along Ireland, northern Bay of Biscay and off Portugal. Reported from Iceland. Southwest Atlantic: Uruguay. Northwest Atlantic: Newfoundland in Canada to Cape Cod in USA. Probably has a much wider distribution. Possibly occurring off the Cape in South Africa and off Mozambique.

Range

55°N - 37°N

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

300 m

Depth To - meters

3000 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 300 - 3000 m

Trophic Level

4 s.e. 0.61 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

130 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 no interest

Vulnerability

High to very high vulnerability (67 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Assuming Fec

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)