Scientific Name
Cheirodon interruptus

Common Name
Uruguay tetra

Biology
Dorsal spines (total): 1; Dorsal soft rays (total): 10; Anal spines: 2; Anal soft rays: 18

Classification

Classified By

Jenyns, 1842

Class

Ray-finned fishes (Actinopterygii)

Order

Characins (Characiformes)

Family

Characins (Characidae)

Distribution

Region

South America

Distribution

South America: Atlantic versant rivers from Tramanda? River drainage in Brazil to the Colorado River in Argentina, including the lower Paran? and Uruguay River basins, and Laguna dos Patos drainage. Introduced in Pacific versant rivers of Chile, including Choapa and Quilimari Rivers, Estero Quintero, Estero Catapilco, Estero Casablanca, and Lake Pe?uelas.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

2.39 s.e. 0.45 Based on size and trophs of closest relatives

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

5.8 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5010 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

Not Evaluated