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Galeoides decadactylus (Bloch, 1795)

Lesser African threadfin
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Galeoides decadactylus   AquaMaps   Data sources: GBIF OBIS
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Image of Galeoides decadactylus (Lesser African threadfin)
Galeoides decadactylus
Picture by Wirtz, P.

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | 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 / depth range / distribution range экология

морской; солоноватоводный демерсальный; пределы глубины 10 - 70 m (Ref. 10799). Subtropical; 37°N - 27°S, 19°W - 16°E (Ref. 57343)

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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 / Вес / Возраст

Maturity: Lm 11.6  range ? - ? cm
Max length : 50.0 cm TL самец/пол неопределен; (Ref. 5377); common length : 30.0 cm TL самец/пол неопределен; (Ref. 3659)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 9; членистые (мягкие) лучи спинного плавника (общее число) : 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).

биология     глоссарий (например 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 Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Also Ref. 32209.

Основная ссылка Upload your references | ссылки | координатор | соавторы

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)

Статус Красного Списка МСОП (Ref. 130435)

  Близок к исчезновению (NT) ; Date assessed: 15 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless





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дополнительная информация

Trophic ecology
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ресурсы в Интернет

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Проверить FishWatcher | CISTI | Catalog of Fishes: род, виды | DiscoverLife | ECOTOX | FAO - рыболовство: landings, Видовой профиль; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Геном, Нуклеотид | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | национальные базы данных | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Вперёд, поиск | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 20.1 - 27.9, mean 25.9 °C (based on 66 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00481 - 0.01311), b=3.10 (2.96 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.67 se; based on food items.
устойчивость к внешним воздействиям (Ref. 120179):  средний (среднего размера), минимальное время удвоения популяции 1.4-4.4 года (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).
Категория цены (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);