Carlarius latiscutatus, Rough-head sea catfish : fisheries

Carlarius latiscutatus (Günther, 1864)

Rough-head sea catfish
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> 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.
More on author: Günther.

Taxonomic Remarks
A. latiscutatus has been considered as a junior synonym of A. gambensis (Bowdich, 1825) (e.g. Ref. 89460). According to Ref. 6541, the latter is evidently a species of Arius, but the description is inadequate to confirm its identity.

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

seewasser; brackwasser demersal; tiefenbereich ? - 70 m (Ref. 6541), usually ? - 30 m (Ref. 6541). Tropical; 21°N - 17°S, 26°W - 11°E

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Eastern Atlantic: coastal waters from Senegal to Angola (Ref. 3546, 3876, 7367, 57224). One record from Fernando Poo (Ref. 6541, 89460). Also reported from various river estuaries.

Länge bei der ersten Reifung / Größe / Gewicht / Alter

Geschlechtsreife: Lm 27.5, range 27 - 28 cm
Max length : 85.0 cm TL Männchen/unbestimmt; (Ref. 33115); common length : 40.0 cm TL Männchen/unbestimmt; (Ref. 2683)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 1; Rückenflossenweichstrahlen (insgesamt) : 7; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 13 - 14. Diagnosis: body elongated and rounded, head broad and only slightly flattened above, snout rounded, mouth inferior; osseous head shield coarsely rugose, fairly visible through the skin; occipital process prominently broad at base, tapering posteriorly, with a median keel; predorsal plate very rugose, short and crescent-shaped; premaxillary teeth villiform, forming a plate slightly curved; palatine teeth in two pairs of patches, an anterior subquadrate pair and a posterior elongated pair, the anterior one wider and continuous with the posterior patch; no gill-rakers on posterior (inner) face of the first and second branchial arches; total number of anterior gill-rakers: on 1st arch 17-22, on 2nd arch 18-23 (Ref. 3546, 7367, 57224, 81640). Dorsal and pectoral fins with a strong serrated, erectile spine; adipose fin well developed (Ref. 57224, 81640).
Body shape (shape guide): fusiform / normal; Cross section: circular.

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

Mainly marine but frequently found in brackish estuaries, sometimes enters freshwater (Ref. 3876). Frequent in lagoons (Ref. 7367). Common during winter (Ref. 2683). Feeds on fish, benthic invertebrates, zooplankton and detritus (Ref. 28587). Wide range of diet including a high percentage of penaeid and other prawns, crabs, polychaetes, fish and molluscs (Ref. 57352, 81640). Eggs very few, spherical, very large (16-17 mm diameter); males practise buccal incubation (Ref. 57224) during which it seems the species continues to feed (Ref. 81640). Ornamental and sometimes considered aquaria fish (Ref. 27121), the fish is venomous and can be dangerous to humans (Ref. 12484).

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))

  nicht bedroht (LC) ; Date assessed: 14 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Venomous (Ref. 12484)





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=0.00832 (0.00482 - 0.01436), b=3.11 (2.96 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophische Ebene
(Ref. 69278) 		3.3   ±0.50 se; based on food items.
Generation time 7.1 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Widerstandsfähigkeit
(Ref. 120179) 		niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.15).
Anfälligkeit der Fischerei
(Ref. 59153) 		High vulnerability (55 of 100). 🛈
Preiskategorie
(Ref. 80766) 		Medium.
Nährstoffe
(Ref. 124155) 		Calcium = 124 [27, 311] mg/100g; Iron = 0.964 [0.620, 1.615] mg/100g; Protein = 17.3 [15.7, 19.2] %; Omega3 = 0.245 [0.140, 0.433] g/100g; Selenium = 66.7 [36.8, 127.8] μg/100g; VitaminA = 14.4 [6.4, 32.8] μg/100g; Zinc = 2.39 [0.54, 7.40] mg/100g (wet weight);