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Symphysodon discus Heckel, 1840

Red discus
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Symphysodon discus
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Brazil country information

Common names: Acará bararuá, Acará disco, Acará disco comum
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from the Amazon River basin in Brazil, near the mouth of the Negro River, in the lower Abacaxis River, and in the lower Trombetas River (Ref. 36377). In 1993, 144,561 specimens were exported from Manaus for the aquarium trade; this may threaten the persistence of the species in the wild (Ref. 40602).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Kullander, S.O., 2003
National Database:

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 麗魚科 (Cichlids) > Cichlasomatinae
Etymology: Symphysodon: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335).
  More on author: Heckel.

Issue
Popular review in Kullander (1996).

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 底中水层性; pH range: 4.2 - 6.2; dH range: ? - 1.   熱帶; 26°C - 30°C (Ref. 1672); 1°S - 3°S

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

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.
南美洲: 在巴西,尼格羅河的河口附近的亞馬遜河流域, 在 Abacaxis 河下游中, 與在 Trombetas 河下游中。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 12.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 36377)

生物学特性     字汇 (例如 epibenthic)

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

吃蠕虫,甲壳动物,昆虫与植物。 最大的长度 20 公分TL.(参考文献 7020)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

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.南美洲: 在巴西,尼格羅河的河口附近的亞馬遜河流域, 在 Abacaxis 河下游中, 與在 Trombetas 河下游中。

主要参考文献 Upload your references | 参考文献 | 合作者 : Kullander, Sven O. | 合作者

Kullander, S.O., 1996. Eine weitere Übersicht der Diskusfische, Gattung Symphysodon Heckel. D. Aqu. U. Terr. Z., Sonderheft "Diskus". (Ref. 33249)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 07 November 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业: 商业性; 水族馆: 商业性
FAO(Publication : search) | FishSource |

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Trophic ecology
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捕食者
Ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02692 (0.01216 - 0.05956), b=3.04 (2.86 - 3.22), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.9   ±0.33 se; based on food items.
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
价格分类 (Ref. 80766):   Unknown.