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Blue discus (Symphysodon aequifasciatus) fish species and information / pictures of Blue discus - Symphysodon aequifasciatus

Blue discus (Symphysodon aequifasciatus) fish species information

Scientific Name
Symphysodon aequifasciatus

Common Name
Blue discus

Biology
In deep, rocky areas in crevices and among roots. Normally in schools, but territorial during breeding season. Feeds on insect larvae, insects, and planktonic invertebrates. Aquarium keeping: in groups of 5 or more individuals; keep pairs in small tanks for breeding; minimum aquarium size 120 cm

Classification

Classified By

Pellegrin, 1904

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cichlids (Cichlidae)

Distribution

Region

South America

Distribution

South America: Amazon River basin in tributaries along the Solim?es-Amazon River from the Putumayo River in Colombia and Peru, to the Tocantins River basin in Brazil.

Range

1°S - 3°S

Environment

Climate

Tropical

Water Temperature From

26 °C

Water Temperature To

30 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 5.0 - 8.0; dH range: 0 - 12 benthopelagic

Trophic Level

3.3 s.e. 0.44 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

13.7 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

Fisheries: subsistence fisheries; aquarium: commercial

Vulnerability

Low vulnerability (20 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