Scientific Name
Brachychalcinus orbicularis

Common Name
Discus tetra

Biology
Feeds on worms, insects, crustaceans and plant matter (Ref. 7020).

Classification

Classified By

Valenciennes, 1850

Class

Ray-finned fishes (Actinopterygii)

Order

Characins (Characiformes)

Family

Characins (Characidae)

Distribution

Region

South America

Distribution

South America: Coastal drainages of Suriname and Guyana.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

18 °C

Water Temperature To

24 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 5.5 - 7.5; dH range: ? - 25 benthopelagic

Trophic Level

2.99 s.e. 0.32 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

9.0 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

Medium, minimum population doubling time 1.4 - 4.4 years (Fec=1,000-2,000)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated