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Distichodus schenga Peters, 1852

Chessa
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Image of Distichodus schenga (Chessa)
No image available for this species;
drawing shows typical species in Distichodontidae.


Zimbabwe country information

Common names: Chessa
Occurrence: native
Salinity: freshwater
Abundance: abundant (always seen in some numbers) | Ref: Bell-Cross, G. and J.L. Minshull, 1988
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Lake Kariba, Middle Zambezi and valley tributaries.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/zi.html
National Fisheries Authority: http://www.zamnet.zm/zamnet/alcom/broch.htm
Occurrences: Occurrences Point map
Main Ref: Bell-Cross, G. and J.L. Minshull, 1988
National Database:

Common names from other countries

رده بندی / Names اسامي عام | مترادف | Catalog of Fishes(جنس, گونه ها) | 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 بوم شناسي

; آب شيرين سطح زی.   Tropical; 11°S - 20°S

پراكنش كشورها | مناطق سازمان خوار و بار جهاني (FAO) | Ecosystems | ظهور | Point map | معرفي | Faunafri

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

Size / Weight / سن

Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 52193); بيشينه وزن گزارش شده: 6.4 kg (Ref. 52193)

توصيف مختصر كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري

خارهاي باله پشتي (کل) : 0; خارهاي باله مخرجي: 0. Diagnosis: snout short; mouth inferior; head about 5 times in fork length; juveniles with 12-16 dark vertical bars (Ref. 52193).

زيست شناسي     واژه نامه (بعنوان مثال 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 | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)

مآخذ اصلی Upload your references | مراجع | هماهنگ كننده | همكاران

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)

وضعيت در فهرست قرمز IUCN (Ref. 130435)

  حداقل نگرانی (LC) ; Date assessed: 01 May 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر برای انسان ها

  Harmless




استفاده انسانی

ماهي گيري – شيلات: ارزش تحاري اندك; ماهي ها ي سرگرم كننده: بله
FAO(Publication : search) | FishSource |

اطلاعات بيشتر

Trophic ecology
اقلام غذايي
Diet compositions
Food consumptions
Food rations
شکارچیان
Ecology
بوم شناسي
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversions
Recruitments
Abundances
Life cycle
تولید مثل
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
توزاد ( لارو)
پويايي لاروي
Anatomy
Gill areas
مغزها
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
صداهاي ماهي ها
Diseases / Parasites
Toxicities (LC50s)
Genetics
ژنتيك
Electrophoreses
Heritabilities
Human related
Aquaculture systems
نمايه هاي آبزي پروري
نژادها
Ciguatera cases
Stamps, coins, misc.
Outreach
همكاران
References
مراجع

ابزارها

گزارش های ويژه

بارگيری XML

منابع اينترنتي

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).
طبقه قيمت (Ref. 80766):   Unknown.