Scientific Name
Aristostomias tittmanni

Common Name
Loosejaw

Biology
Dorsal soft rays (total): 20-23; Anal soft rays: 24 - 29. Body moderately elongate and slender. Chin barbel bearing club-shaped bulb (Ref. 37039).

Classification

Classified By

Welsh, 1923

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Barbeled dragonfishes (Stomiidae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: Azores. Western Atlantic: Canada to the Gulf of Mexico and the Caribbean Sea. Southeast Pacific: off Chile.

Range

52°N -

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

15 m

Depth To - meters

2000 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 15 - 2000 m (Ref. 58302)

Trophic Level

4.2 s.e. 0.73 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

21.5 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low to moderate vulnerability (32 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