Scientific Name
Ctenobrycon spilurus

Common Name
Silver tetra

Biology
A voracious species. Inhabits calm waters. In nature, it feeds mainly on zooplankton but it also consume plants, worms, insects and crustaceans (Ref. 7020). An adult female produces around 2,000 eggs which is incubated for a period of 50 to 70 hours. After the third day, the fish search actively for food (Ref. 12225).

Classification

Classified By

Valenciennes, 1850

Class

Ray-finned fishes (Actinopterygii)

Order

Characins (Characiformes)

Family

Characins (Characidae)

Distribution

Region

South America

Distribution

South America: Orinoco River basin and coastal river basins of Guyana, Suriname and French Guiana.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

23 °C

Water Temperature To

27 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic

Environment

Freshwater; pelagic

Trophic Level

3.08999991416931 s.e. 0.36 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

8.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5312 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. Fec=1000)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated