Galeoides decadactylus, Lesser African threadfin : fisheries

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Galeoides decadactylus (Bloch, 1795)

Lesser African threadfin
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Galeoides decadactylus   AquaMaps   Data sources: GBIF OBIS
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 عکس ها | Stamps, coins, misc. | تصوير گوگل
Image of Galeoides decadactylus (Lesser African threadfin)
Galeoides decadactylus
عکس از Wirtz, P.

Gabon country information

Common names: Captain Plexiglass, Ntchena mandji
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: minor commercial | Ref: FAO, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 50787.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gb.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Delgado de Molina, A. and J.C. Santana, 1985
National Database:

Common names from other countries

Petit capitaine, Barbudo enano africano, Guinean threadfin, ... more

رده بندی / Names اسامي عام | مترادف | Catalog of Fishes(جنس, گونه ها) | ITIS | CoL | WoRMS | Cloffa

> Carangaria/misc (Various families in series Carangaria) > Polynemidae (Threadfins)
Etymology: Galeoides: Greek, galeos = a shark + suffix oides = similar to (Ref. 45335).
More on author: Bloch.

Environment: milieu / climate zone / تغييرات عمق / distribution range بوم شناسي

دريايي; لب شور نزديك كف زي; تغييرات عمق 10 - 70 m (Ref. 10799). Subtropical; 37°N - 27°S, 19°W - 16°E (Ref. 57343)

پراكنش كشورها | مناطق سازمان خوار و بار جهاني (FAO) | Ecosystems | ظهور | نقشه نقطه ای | معرفي | Faunafri

Eastern Atlantic: West African coasts, from Canary Islands and Morocco to Angola (Ref. 57402). Sporadically known from Algeria and Namibia (Ref. 57343). Record from Mauritius is likely to be erroneous.

Length at first maturity / Size / Weight / سن

بلوغ: Lm 11.6  range ? - ? cm
Max length : 50.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 5377); common length : 30.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 3659)

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

خارهاي باله پشتي (کل) : 9; شعاع نرم باله پشتي (کل) : 13 - 14. Diagnosis: 9-10 short detached pectoral filaments, not exceeding length of upper pectoral fin; body moderately elongate and compressed, its height comprised 2.9-3.4 times in standard length; snout very short, blunt and prominent; mouth inferior; posterior edge of maxillary only slightly expanded, barely reaching past eye; 2 widely separated dorsal fins, 1st with 8 spines, 2nd with 1 flexible spine and 13-14 soft rays; 2nd dorsal fin and anal fin bases barely equal; pectoral fin inserted low on body; scales ctenoid; head and unpaired fins partly covered with small scales (Ref. 57402). Coloration: body uniformly silvery, upper part greyish and belly white; a large rounded black spot, about equal to eye diameter, generally visible under lateral line, behind opercle (Ref. 57402).
Body shape (shape guide): fusiform / normal.

زيست شناسي     واژه نامه (بعنوان مثال epibenthic)

Occurs over sandy (Ref. 2683) and muddy bottoms in shallow waters (Ref. 4340), frequently in brackish habitats (Ref. 4340, 57402) and estuaries, but not in freshwaters (Ref. 57402). Feeds on benthic invertebrates (Ref. 5377). Sold fresh, dried salted or smoked (Ref. 36127).

Life cycle and mating behavior بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)

Also Ref. 32209.

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

Daget, J. and J.C. Njock, 1986. Polynemidae. p. 352-354. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 4340)

وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)

  نزديک به تهديد شدن (NT) ; Date assessed: 15 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر برای انسان ها

  Harmless





استفاده انسانی

ماهي گيري – شيلات: تجاري
FAO - ماهي گيري – شيلات: landings, نمايه گونه; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

اطلاعات بيشتر

Trophic ecology
Food items (preys)
تركيب غذايي
مصرف غذايي
Food rations
شکارچیان
بوم شناسي
بوم شناسي
Home ranges
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
بازسازی
فراواني
Life cycle
تولید مثل
بلوغ
Maturity/Gills rel.
Fecundity
تخم ریزی
Spawning aggregations
تخم ها
نمو تخم
توزاد ( لارو)
پويايي لاروي
پراكنش
كشورها
مناطق سازمان خوار و بار جهاني (FAO)
Ecosystems
ظهور
معرفي
BRUVS - Videos
Anatomy
منطقه آبششي
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
ژنتيك
ژنوم
ژنتيك
Heterozygosity
وارث
Human related
Aquaculture systems
نمايه هاي آبزي پروري
نژادها
Ciguatera cases
Stamps, coins, misc.
Outreach
همكاران
Taxonomy
اسامي عام
مترادف
ريخت شناسي
ريخت ستجي بوسيله انداره گيري
عکس ها
مراجع
مراجع

ابزارها

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بارگيری XML

صفحه خلاصه | Point data | اسامي عام | تصاوير

منابع اينترنتي

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | فيش واچر را ببينيد | CISTI | Catalog of Fishes: جنس, گونه ها | DiscoverLife | ECOTOX | FAO - ماهي گيري – شيلات: landings, نمايه گونه; Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | پايگاه هاي داده ها | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: برو, جستجو | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (مرجع 123201): 20.1 - 27.9, mean 25.9 °C (based on 66 cells).
Phylogenetic diversity index (مرجع 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00542 - 0.01337), b=3.11 (2.98 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (مرجع 69278):  3.6   ±0.67 se; based on food items.
جهندگی (مرجع 120179):  متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.14-0.4).
Prior r = 0.49, 95% CL = 0.32 - 0.73, Based on 2 data-limited stock assessments.
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100). 🛈
Climate Vulnerability (Ref. 125649):  Very high vulnerability (77 of 100). 🛈
طبقه قيمت (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 77.4 [41.1, 153.6] mg/100g; Iron = 0.985 [0.516, 1.817] mg/100g; Protein = 20.2 [18.7, 21.8] %; Omega3 = 0.386 [0.272, 0.572] g/100g; Selenium = 25.1 [13.6, 48.5] μg/100g; VitaminA = 9.37 [4.09, 21.25] μg/100g; Zinc = 0.816 [0.558, 1.179] mg/100g (wet weight);