Overview

Comprehensive Description

Biology

Feeds on worms, crustaceans, insects and plant matter. Maximum length 20 cm TL (Ref. 7020).
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Distribution

South America: Amazon River basin in Brazil, near the mouth of the Negro River, in the lower Abacaxis River, and in the lower Trombetas River.
  • Kullander, S.O. 2003 Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)
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Lower Rio Negro basin, Rip Ururum Rio Nhamundá and Rio Abacaxis basin, Brazil.
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Physical Description

Size

Maximum size: 200 mm ---
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Max. size

12.3 cm SL (male/unsexed; (Ref. 36377))
  • Kullander, S.O. 2003 Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)
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Ecology

Habitat

Environment

benthopelagic; freshwater; pH range: 4.2 - 6.2; dH range: 0 - 1
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Trophic Strategy

Feeds on worms, crustaceans, insects and plant matter.
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Diseases and Parasites

Turbidity of the Skin (Freshwater fish). Parasitic infestations (protozoa, worms, etc.)
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Tetrahymena Disease. Parasitic infestations (protozoa, worms, etc.)
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Protopalina Symphysodonis infection. Parasitic infestations (protozoa, worms, etc.)
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Nematode Infestation. Parasitic infestations (protozoa, worms, etc.)
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Livoneca Infestation. Parasitic infestations (protozoa, worms, etc.)
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Ichthyouris Infestation 2. Parasitic infestations (protozoa, worms, etc.)
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Hole-in-the-Head Disease. Parasitic infestations (protozoa, worms, etc.)
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Hexamitosis. Parasitic infestations (protozoa, worms, etc.)
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Dactylogyrus Gill Flukes Disease. Parasitic infestations (protozoa, worms, etc.)
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Capillaria Infestation 4. Parasitic infestations (protozoa, worms, etc.)
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Bacterial Infections (general). Bacterial diseases
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Life History and Behavior

Life Cycle

Deposit several hundred eggs on stones or plants; both parents defend eggs and larvae; larvae feed on a skin mucus during their first few days.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Symphysodon discus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There is 1 barcode sequence available from BOLD and GenBank.

Below is the sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.

See the BOLD taxonomy browser for more complete information about this specimen.

Other sequences that do not yet meet barcode criteria may also be available.

CTTTATCTAATTTTTGGTGCCTGAGCCGGGATAGTGGGAACAGCATTA---AGCCTGCTAATTCGAGCAGAACTCAGCCAACCCGGCTCTCTCCTCGGAGAC---GACCAGATTTATAATGTAATCGTTACTGCACACGCCTTTGTAATAATTTTCTTTATAGTTATACCCATTATAATTGGGGGCTTTGGCAACTGACTAATTCCACTCATA---ATTGGTGCCCCAGACATGGCCTTTCCACGAATAAACAACATAAGTTTCTGACTCCTACCCCCCTCATTCCTCCTTCTCCTCGCCTCCTCTGGAGTTGAAGCTGGCGCTGGAACAGGATGAACTGTTTATCCCCCATTAGCAGGCAATCTAGCACACGCTGGTCCTTCAGTTGATTTA---ACCATCTTCTCCCTTCACTTGGCTGGAGTTTCGTCTATTCTCGGAGCAATTAACTTTATTACTACAATTATTAACATAAAACCCCCAGCAATTTCCCAGTACCAAACGCCCCTGTTCATCTGAGCACTTTTAATCACCGCCGTCCTGCTCCTTCTGTCCCTGCCAGTTCTTGCCGCC---GGCATTACCATACTCTTGACCGAC
-- end --

Download FASTA File

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Statistics of barcoding coverage: Symphysodon discus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 7
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
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Wikipedia

Symphysodon discus

Symphysodon discus, the red discus or Heckel discus, is a species of cichlid native to the Amazon Basin, where found near the mouth of the Rio Negro, in the lower Abacaxis River and lower Trombetas River.

This species grows to a length of 12.3 centimetres (4.8 in) SL.

This species can also be found in the aquarium trade.[1]

References[edit]

  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2013). "Symphysodon discus" in FishBase. April 2013 version.
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