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Symphysodon discus Heckel, 1840

Red discus
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Symphysodon discus
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> Cichliformes (Cichlids, convict blennies) > Cichlidae (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 生態学

; 新鮮な水 底生の漂泳性; pH range: 4.2 - 6.2; dH range: ? - 1. Tropical; 26°C - 30°C (Ref. 1672); 1°S - 3°S

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | 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.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 12.3 cm SL オス/雌雄の選別がない; (Ref. 36377)

生物学     用語集 (例 epibenthic)

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

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

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.

主な参考文献 Upload your references | 参考文献 | コーディネーター : Kullander, Sven O. | 協力者

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

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 商業; 水族館・水槽: 商業
FAO - Publication: search | FishSource |

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Otoliths
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インターネットの情報源

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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).
栄養段階 (Ref. 69278):  2.9   ±0.33 se; based on food items.
回復力 (Ref. 120179):  高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
価格帯 (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 301 [91, 669] mg/100g; Iron = 1.55 [0.82, 3.10] mg/100g; Protein = 16.4 [13.8, 19.3] %; Omega3 = 0.39 [0.14, 1.19] g/100g; Selenium = 65 [24, 154] μg/100g; VitaminA = 51.3 [13.2, 165.0] μg/100g; Zinc = 3.83 [1.45, 6.68] mg/100g (wet weight); based on nutrient studies.