Abyssal halosaur (Halosauropsis macrochir) fish species and information / pictures of Abyssal halosaur - Halosauropsis macrochir

Abyssal halosaur (Halosauropsis macrochir) fish species information

Scientific Name
Halosauropsis macrochir

Common Name
Abyssal halosaur

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 11-13. Body greyish-black to bluish black in color; top of head, gill isthmus and branchiostegal membranes black (Ref. 3974). Deeply pigmented sheath of lateral line. Absence of scales on the top of the head and presence of scales on the opercular bone (Ref. 37108).

Classification

Classified By

G?nther, 1878

Class

Ray-finned fishes (Actinopterygii)

Order

Halosaurs and deep-sea Spiny eels (Notacanthiformes)

Family

Halosaurs (Halosauridae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: Ireland to Mauritania and South Africa. Western Atlantic: Canada to 25?N, and off southern Brazil. Western Pacific: Australia (Ref. 7300), New Zealand and Japan (Ref. 37335). Also known from Western Indian Ocean.

Range

50°N - 47°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1100 m

Depth To - meters

3300 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 1100 - 3300 m (Ref. 4448)

Trophic Level

3.27 s.e. 0.36 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

90.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.0000 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 (Assuming tmax>10)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated