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Pentanemus quinquarius (Linnaeus, 1758)

Royal threadfin
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Native range | All suitable habitat | Point map | Year 2050
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Pentanemus quinquarius   AquaMaps   Data sources: GBIF OBIS
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Image of Pentanemus quinquarius (Royal threadfin)
Pentanemus quinquarius
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Guinea country information

Common names: Gbalakassa
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: minor commercial | Ref: FAO, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in Fatala River (Ref. 28587). Reported from the Guinea shelf (Ref. 47102).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gv.html
National Fisheries Authority: http://www.fis-net.com/guinea
Occurrences: Occurrences Point map
Main Ref: Daget, J. and J.C. Njock, 1986
National Database:

Common names from other countries

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

> Carangaria/misc (Various families in series Carangaria) > Polynemidae (Threadfins)
Etymology: Pentanemus: Greek, pente = five + Greek, nema = filament (Ref. 45335).
  More on author: Linnaeus.

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

морской; солоноватоводный демерсальный; пределы глубины 10 - 70 m (Ref. 10799).   Tropical; 21°N - 18°S, 27°W - 14°E (Ref. 57343)

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

Eastern Atlantic: Senegal to Angola (Ref. 57402). Also reported from Mauritania (Ref. 10799) and Cape Verde (Ref. 27000). Reported from Cuba based on a single specimen; no other specimens taken from the western Atlantic (Ref. 57343).

Length at first maturity / Size / Вес / Возраст

Maturity: Lm 15.0  range ? - 17 cm
Max length : 35.0 cm TL самец/пол неопределен; (Ref. 57402); common length : 25.0 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) : 14 - 18; колючие лучи анального плавника: 3; членистые (мягкие) лучи анального плавника: 28 - 30. Diagnosis: detached pectoral filaments very long, exceeding body length; base of anal fin much longer than base of 2nd dorsal fin; body moderately elongate and compressed, its height comprised 3.0-3.4 in standard length; snout very short, blunt and prominent; mouth inferior; maxillary bone strongly widened at its end, reaching largely past eye; 2 widely separated dorsal fins, 1st with 8 flexible spines, 2nd with 1 spine and 14-18 soft rays; anal fin base much longer than 2nd dorsal fin base; pectoral fin inserted very low on body; threadlike filaments, 5 in number, 4 of them longer than total length of fish; scales ctenoid; head scaly (Ref. 57402). Coloration: body uniformly silvery, greyish on back, shading to whitish ventrally; fins tinged with yellow (Ref. 57402).

биология     глоссарий (например epibenthic)

Occurs over sandy (Ref. 2683) and muddy bottoms in shallow waters (Ref. 57343), frequently in brackish waters (Ref. 57343, 57402) and estuaries (Ref. 57402). Carnivorous (Ref. 57402), feeds on fish and shrimps (Ref. 28587).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Основная ссылка Upload your references | ссылки | координатор | соавторы

Motomura, H., 2004. Threadfins of the world (Family Polynemidae). An annotated and illustrated catalogue of polynemid species known to date. FAO Spec. Cat. Fish. Purp. Rome: FAO. 3:117 p. (Ref. 57343)

Статус Красного Списка МСОП (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless




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дополнительная информация

Trophic ecology
пищевые объекты
Diet compositions
Food consumptions
Food rations
хищники
Ecology
экология
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversions
Recruitments
Abundances
Life cycle
размножение
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
личинки
динамика численности личинок
Distribution
страны
регионы FAO
Ecosystems
места находок
интродукции
BRUVS - Videos
Anatomy
Gill areas
мозг
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
звуки, издаваемые рыбами
Diseases / Parasites
Toxicities (LC50s)
Genetics
генетика
Electrophoreses
Heritabilities
Human related
Aquaculture systems
особенности рыбоводства
степень растяжения
Ciguatera cases
Stamps, coins, misc.
Outreach
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References
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Специальные отчеты

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Estimates based on models

Preferred temperature (Ref. 115969): 20.2 - 27.9, mean 25.8 (based on 70 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00237 - 0.00669), b=3.13 (2.98 - 3.28), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.57 se; based on food items.
устойчивость к внешним воздействиям (Ref. 120179):  высокий, минимальное время удвоения популяции до 15 месяцев (K=0.72).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (31 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (75 of 100).
Категория цены (Ref. 80766):   High.