Scientific Name
Bathypterois dubius

Common Name
Mediterranean spiderfish

Biology
Found on continental slope and rise between temperatures of 12?C to 4?C (Ref. 3590). Usually solitary; probably forms occasional aggregates. Feeds on mysids and benthopelagic copepods. Synchronously hermaphroditic (Ref. 6688).

Classification

Classified By

Vaillant, 1888

Class

Ray-finned fishes (Actinopterygii)

Order

Grinners (Aulopiformes)

Family

Deep-sea tripod fishes (Ipnopidae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: northeast Atlantic to off Sierra Leone; one record from the Mediterranean. One record from the northwest Atlantic.

Range

- 6°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

260 m

Depth To - meters

2800 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 260 - 2800 m (Ref. 3397), usually 2100 - 2300 m (Ref. 32939)

Trophic Level

3.2 s.e. 0.37 Based on diet studies.

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

20.5 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

Unknown

Vulnerability

Moderate to high vulnerability (52 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (k=0.13-0.4)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated