Scientific Name
Bathytroctes microlepis

Common Name
Smallscale smooth-head

Biology
Cheeks or the upper part of the operculum without scales (less than 2 scale rows below the postorbital canal). Transverse scale rows at least ten more than the lateral line (rarely less than 10) (Ref. 34286).

Classification

Classified By

G?nther, 1878

Class

Ray-finned fishes (Actinopterygii)

Order

Smelts (Osmeriformes)

Family

Slickheads (Alepocephalidae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: off southwestern Ireland, Bay of Biscay southward to Namibia including Azores and Madeira Islands. Elsewhere, western Atlantic, South China Sea, southeast Pacific and in tropical waters of the eastern Indian Ocean.

Range

54°N - 22°S, 91°W - 95°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

4900 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 0 - 4900 m (Ref. 58018), usually ? - 1800 m (Ref. 4460)

Trophic Level

3.36 s.e. 0.44 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

32.3 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5005 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 (51 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated