Topside lampfish (Notolychnus valdiviae) fish species and information / pictures of Topside lampfish - Notolychnus valdiviae

Topside lampfish (Notolychnus valdiviae) fish species information

Scientific Name
Notolychnus valdiviae

Common Name
Topside lampfish

Biology
High-oceanic, epipelagic and mesopelagic (Ref. 4479). Found between 375-700 m during the day and between 25-350 m at night (Ref. 4066). Size stratification with depth during the day only (Ref. 4775). Juveniles migratory; adults migratory, partially migratory or non-migratory (Ref. 4775). Feed on copepods, conchoecid ostracods and euphausiids (Ref. 4775). Oviparous, with planktonic eggs and larvae (Ref. 31442). Also Ref. 58302.

Classification

Classified By

Brauer, 1904

Class

Ray-finned fishes (Actinopterygii)

Order

Lanternfishes (Myctophiformes)

Family

Lanternfishes (Myctophidae)

Distribution

Region

Worldwide distribution in tropical, subtropical and temperate waters. Eastern Atlantic

Distribution

Worldwide distribution in tropical, subtropical and temperate waters. Eastern Atlantic: west of British Isles and Bay of Biscay to South Africa. Western Atlantic: Canada to Argentina. Western Pacific: between 0? and 32?S. Eastern Pacific: between 32?N and 30?S, but with 20?S southern limit in Peruvian Transitional Zone. Eastern Indian Ocean: between 9?-32?S.

Range

56°N - 40°S, 180°W - 180°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

25 m

Depth To - meters

700 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 25 - 700 m (Ref. 4066)

Trophic Level

3.07 s.e. 0.20 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

6.3 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

Low vulnerability (10 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tmax=1; k >0.30)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated