Carlarius gigas, Giant sea catfish : fisheries

Carlarius gigas (Boulenger, 1911)

Giant sea catfish
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Carlarius gigas
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Ariidae (Sea catfishes) > Ariinae
Etymology: Carlarius: First part of the generic name honors Dr. Carl Ferraris, Research Associate at the California Academy of Sciences for his contribution to the knowledge of Siluriformes fishes and continuous support and encouragement throughout the development of this work; the second part is from the frequently used generic name Arius.
Eponymy: Gigas was a giant in Greek mythology, the child of Uranus and Gaea. The name is applied to taxa that are giants of their kind. (Ref. 128868), visit book page.
More on author: Boulenger.

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

; süßwasser; brackwasser benthopelagisch. Tropical

Verbreitung Territorien | FAO Gebiete | Ökosysteme | Vorkommen | Punkt Karte | Einführungen | Faunafri

Africa: Ouémé and Volta rivers, and greater part of the Niger River basin, including the Benue River downstream Gauthiot Falls (Ref. 57224)

Größe / Gewicht / Alter

Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 165 cm TL Männchen/unbestimmt; (Ref. 6541); max. veröff. Gewicht: 50.0 kg (Ref. 3799)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 2; Rückenflossenweichstrahlen (insgesamt) : 7; Afterflossenweichstrahlen: 11 - 13. Diagnosis: body elongated and rounded; head broad and only slightly flattened above, snout rounded (slightly pointed in small specimens); mouth inferior; maxillary barbels just reaching to pectoral fin bases, mandibular ones being shorter; osseous head shield, fairly visible through the skin, coarsely rugose with a very slight median keel; occipital process moderately broad at base and truncated posteriorly (Ref. 57224). Base of supra-occipital process moderately wide (Ref. 2683). Predorsal plate rugose, crescent-shaped; premaxillary teeth villiform forming 2 plates meeting at midline; palatine teeth in 2 large subtriangular patches which are only slightly separated at midline; no gill-rakers on posterior face of the 1st and 2nd arches; total number of anterior gill-rakers on first arch 18 to 21, on second arch 18 to 20; dorsal and pectoral fins with a strong osseous, erectile spine with anterior rim granulose and posterior rim serrated; long dorsal fin spine preceded by a very short one; adipose fin well developed; caudal fin forked, upper lobe slightly elongated (Ref. 57224). Coloration: bluish grey on the upper part, lightening progressively towards belly which is white; distal rim of fins blackish (Ref. 57224).
Body shape (shape guide): elongated.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Found in large rivers and their estuaries (Ref. 2683). Probably exceeds 165 cm (Ref. 3876). Males practise buccal incubation (ref. 57224).

Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven

Hauptreferenz Laden Sie Ihre Referenzen hoch | Referenzen | Koordinator : Ferraris, Jr., Carl J. | Partner

Schneider, W., 1990. FAO species identification sheets for fishery purposes. Field guide to the commercial marine resources of the Gulf of Guinea. Prepared and published with the support of the FAO Regional Office for Africa. Rome: FAO. 268 p. (Ref. 2683)

IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))

  Daten mangelhaft (DD) ; Date assessed: 18 December 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Traumatogenic (Ref. 58010)





Nutzung durch Menschen

Fischereien: kommerziell
FAO - Publication: search | FishSource |

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Schätzungen auf der Grundlage von Modellen

Phylogenetischer Diversitätsindex (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00245 - 0.00892), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophische Ebene (Ref. 69278):  3.9   ±0.6 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref. 59153):  Very high vulnerability (90 of 100). 🛈
Preiskategorie (Ref. 80766):   Medium.
Nährstoffe (Ref. 124155):  Calcium = 57.7 [12.9, 215.0] mg/100g; Iron = 0.575 [0.325, 1.007] mg/100g; Protein = 16.6 [14.9, 18.5] %; Omega3 = 0.136 [0.070, 0.271] g/100g; Selenium = 90 [41, 200] μg/100g; VitaminA = 18 [6, 51] μg/100g; Zinc = 2.06 [0.48, 6.89] mg/100g (wet weight);