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