Scientific Name
Nannaethiops unitaeniatus

Common Name
Oneline tetra

Biology
Dorsal soft rays (total): 11-16; Anal soft rays: 10. Caudal peduncle 1-1.5 x longer that high. Maxillaries extending to the anterior border of eyes. Lateral line always complete. Upper part of body gray olive, lower part whitish yellow. Dark lateral band from eye to caudal, dark stripe in middle of caudal and black spot at tip of dorsal.

Classification

Classified By

G?nther, 1872

Class

Ray-finned fishes (Actinopterygii)

Order

Characins (Characiformes)

Family

Distichodontidae (Distichodontidae)

Distribution

Region

Africa

Distribution

Africa: Niger and Cross Rivers in Nigeria, Cameroon, Gabon, Congo, lower part of Congo basin. Reported from Ghana (Ref. 11235) and Chad basin (Ref. 367).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

23 °C

Water Temperature To

26 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic

Environment

Freshwater; ; pH range: 6.5 - 7.5; dH range: ? - 12 pelagic

Trophic Level

3 s.e. 0.37 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

6.2 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: commercial

Vulnerability

Low vulnerability (10 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)