Plotosus canius, Gray eel-catfish : fisheries

Plotosus canius Hamilton, 1822

Gray eel-catfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Plotosus canius   AquaMaps   Data sources: GBIF OBIS
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Image of Plotosus canius (Gray eel-catfish)
Plotosus canius
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Classificatie / Namen Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Plotosidae (Eeltail catfishes)
Etymology: Plotosus: Greek, plotos = swimming (Ref. 45335).
More on author: Hamilton.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien; zoet water; brak water demersaal; amfidroom (Ref. 51243). Tropical; 27°N - 20°S, 72°E - 177°W

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Indo-West Pacific: west and south coasts of India and off Sri Lanka eastward along the coasts of Bangladesh and Myanmar, through the Indo-Australian Archipelago and the Philippines as far as Papua New Guinea.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 111 cm TL mannelijk / geslacht onbekend; (Ref. 127983); common length : 80.0 cm TL mannelijk / geslacht onbekend; (Ref. 3478)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

A plain dusky-brown species with a black dorsal fin tip. Shows banded pattern at night. Distinguished from adult Plotosus lineatus by its long barbels on the nostrils that can reach pass the eyes.
Body shape (shape guide): elongated.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Adults found mostly in estuaries and lagoons, and sometimes up rivers in nearly fresh waters. They occur in the lower parts of rivers in freshwater or brackish water and in coastal seas (Ref. 12693, 48635). It is reported to have an extended breeding season and likely spawns in brackish water, based on optimal sperm survival at 0.9 % salinity; produces relatively few large eggs, consistent with parental care and it is possible that male fish construct nests and guard their fry (Ref. 127983), Maximum length of 150 cm TL is without actual specimen (Ref. 3478). Juveniles may occur in dense aggregations (Ref. 9801). Feed on crustaceans, mollusks and fishes. Spines associated with anterior fins have potent venom. Marketed mostly fresh.

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload uw referenties | Referenties | Coördinator | Medewerkers

Gomon, J.R., 1984. Plotosidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 3. (Ref. 3478)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Niet bedreigd (LC) ; Date assessed: 18 August 2023

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Venomous (Ref. 9801)





Gebruik door de mens

Visserij: commercieel
FAO - Publication: search | FishSource |

Meer informatie

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genoom
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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00501 (0.00284 - 0.00885), b=3.01 (2.85 - 3.17), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisch niveau
(Ref. 69278)
3.8   ±0.4 se; based on diet studies.
Generation time 3.9 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Weerstandsvermogen
(Ref. 120179)
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Rate of population increase Prior r = 0.66, 95% CL = 0.44 - 0.99, Based on 1 full stock assessment.
Kwetsbaarheid van de visserij
(Ref. 59153)
Moderate vulnerability (43 of 100). 🛈
Prijsklasse
(Ref. 80766)
Low.
Voedingsstoffen
(Ref. 124155)
Calcium = 63.2 [34.5, 108.6] mg/100g; Iron = 0.78 [0.49, 1.27] mg/100g; Protein = 16.9 [14.7, 19.1] %; Omega3 = 0.147 [0.082, 0.262] g/100g; Selenium = 81.8 [43.4, 163.8] μg/100g; VitaminA = 11.2 [5.1, 25.6] μg/100g; Zinc = 0.934 [0.684, 1.292] mg/100g (wet weight);