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Distichodus schenga Peters, 1852

Chessa
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drawing shows typical species in Distichodontidae.

Zambia country information

Common names: Chessa
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: commercial | Ref: Losse, G.F., 1998
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Present in the middle Zambezi system (Ref. 52193), including Lake Kariba, where it is a species of primary economic importance (Ref. 27602). Also Ref. 894.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/za.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Skelton, P.H., 2001
National Database:

Common names from other countries

Schenga, 舒氏复齿脂鲤, Latik-hammassalmler, ... more

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Distichodus: Greek, di = two + Greek, stix, stichos = line, row (Ref. 45335).
  More on author: Peters.

Environment: milieu / climate zone / depth range / distribution range 生態学

; 新鮮な水 外洋の.   Tropical; 11°S - 20°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

Africa: middle and lower Zambezi drainages, Pungwe and Buzi rivers in Mozambique (Ref. 52193, 122090).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm SL オス/雌雄の選別がない; (Ref. 52193); 最大公表体重: 6.4 kg (Ref. 52193)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 0; 肛門の骨: 0. Diagnosis: snout short; mouth inferior; head about 5 times in fork length; juveniles with 12-16 dark vertical bars (Ref. 52193).

生物学     用語集 (例 epibenthic)

Favors large rivers, shoaling over both rock and sand; omnivorous, preferring algae and plant matter to snails, shrimps, and small fish; breeds in summer during the rainy period, moving upstream to suitable spawning sites (Ref. 7248, 52193).

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

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 7094)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 01 May 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 少数商業の; ゲームフィッシュ: はい
FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00696 - 0.03289), b=3.04 (2.86 - 3.22), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (44 of 100).
価格帯 (Ref. 80766):   Unknown.