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Synodontis annectens Boulenger, 1911

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Image of Synodontis annectens
No image available for this species;
drawing shows typical species in Mochokidae.


Gambia country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Present in the Gambia River (Ref. 57223).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ga.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Paugy, D. and T.R. Roberts, 2003
National Database:

Common names from other countries

التصنيف / Names الأسماء الشائعة | مرادفات | Catalog of Fishes(جنس, الانواع) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Mochokidae (Squeakers or upside-down catfishes) > Mochokinae
Etymology: Synodontis: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335).
  More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range البيئة

; المياه العذبة قاعية التغذية و المعيشة.   Tropical; 14°N - 6°N

التوزيع دول | مناطق الفاو | النظام البيئي | الظهور | Point map | مقدمة | Faunafri

Africa: basins of the Gambia, Géba (including its affluent Culufi), Tominé (Corubal), Kogon, Great Scarcies/Kolenté, Jong/Pampana and Sewa in Senegal, Gambia, Guinea-Bissau, Guinea and Sierra Leone (Ref. 57223).

الحجم / وزن / العمر

Maturity: Lm ?  range ? - ? cm
Max length : 33.5 cm TL ذكر/ مختلط الجنس; (Ref. 130826)

وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي

الأشواك الظهرية (المجموع) : 1; شوكة شرجية: 0. Diagnosis: gill slits not extending ventrally beyond pectoral-fin insertions; snout over 50% of head length and over 80% of head width; post-ocular length less than 30% of head length; maxillary barbels slightly shorter than head, bearing externally some short and simple ramifications and a broad basal membrane; outer and inner mandibular barbels with numerous tuberculate ramifications; mandibular teeth long, numbering 6-9 (8 in the lectotype); pectoral-fin spines weakly denticulate on inner margin and very slightly crenulated externally; dorsal-fin spine smooth anteriorly and prolonged into a filament; humeral process deep, blunt, granulose and not keeled ventrally; adipose fin long, low and rather close to rayed dorsal fin (Ref. 57223). Coloration: general appearance rather dark, with ventral areas lighter; outer margins of caudal-fin lobes black-edged (Ref. 57223).

أحياء     المصطلحات (على سبيل المثال epibenthic)

Oviparous (Ref. 205). Maximum total length 323mm (Ref. 57223).

Life cycle and mating behavior Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae

Oviparous (Ref. 205). Distinct pairing during breeding (Ref. 205).

المرجع الرئيسي Upload your references | مراجع | المنظم | المتعاونين

Paugy, D. and T.R. Roberts, 2003. Mochokidae. p. 195-268 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57223)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 22 October 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

  Harmless




استخدامات بشرية

FAO(Publication : search) | FishSource |

مزيد من المعلومات

Trophic ecology
عناصر الغذاء
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Food consumptions
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Growths
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Length-weight rel.
Length-length rel.
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Mass conversions
Recruitments
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ملامح تربية الأحياء المائية
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Ciguatera cases
Stamps, coins, misc.
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مصادر علي الأنترنت

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=0.00933 (0.00303 - 0.02871), b=3.05 (2.80 - 3.30), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
مستوى غذائي (Ref. 69278):  2.9   ±0.3 se; based on size and trophs of closest relatives
المرونه (Ref. 120179):  وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (24 of 100).