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Galeoides decadactylus (Bloch, 1795)

Lesser African threadfin
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Native range | All suitable habitat | Point map | Year 2050
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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.


Gambia country information

Common names: [No common name]
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: minor commercial | Ref: FAO, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in the Gambia River (Ref. 28587).
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: Diouf, P.S., 1996
National Database:

Common names from other countries

Classification / Names প্রচলিত নাম সমূহ | প্রতিনাম সমূহ | Catalog of Fishes(গণ , প্রজাতি ) | 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 বাস্তুসংস্থান

সামুদ্রিক; ঈষৎ লোনা তলদেশ বিহারী; গভীরতার পরিসীমা 10 - 70 m (Ref. 10799).   Subtropical; 37°N - 27°S, 19°W - 16°E (Ref. 57343)

বিতরণ দেশ সমূহ | এফ এ ও এলাকাসমূহ | বাস্তুতন্ত্র | দৃষ্টিগোচর | Point map | প্রচলন | 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 / আকৃতি / ওজন / Age

Maturity: Lm 11.6  range ? - ? cm
Max length : 50.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 5377); common length : 30.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 3659)

Short description সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স

পৃষ্ঠীয় কাঁটা (মোট ) : 9; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 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).

জীববিজ্ঞান     শব্দকোষ (উদাহরণ স্বরূপ 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 | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট

Also Ref. 32209.

Main reference Upload your references | সূত্র সংখ্যা | সমম্বয়কারী | সহযোগী

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)

IUCN Red List Status (Ref. 130435)

  Near Threatened (NT) ; Date assessed: 15 July 2014

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

মৎস্য: বাণিজ্যিক

আরো তথ্য

Trophic ecology
খাদ্যসামগ্রী
Diet compositions
Food consumptions
Food rations
শিকারী প্রাণী সমূহ
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
প্রজনন
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
শুককীট
শুককীটের সত্রিুয়তা
Anatomy
Gill areas
মস্তিস্ক সমূহ
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
-এর সাতাঁরের ধরণ
Swimming speeds
Visual pigment(s)
মৎস্য শব্দ
Diseases / Parasites
Toxicities (LC50s)
Genetics
বংশানুগতিবিদ্যা
Electrophoreses
Heritabilities

হাতিয়ার

Special reports

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ইন্টারনেট সুত্র

Estimates based on models

Preferred temperature (Ref. 115969): 20.1 - 27.9, mean 25.9 (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).
ট্রফিক পর্যায়ে (Ref. 69278):  3.6   ±0.67 se; based on food items.
স্থিতিস্থাপক (Ref. 120179):  মাধ্যম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১.৪-৪.৪ বৎসর (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).
Price category (Ref. 80766):   High.