Heterobranchus longifilis, Sampa : fisheries, aquaculture, gamefish

Heterobranchus longifilis Valenciennes, 1840

Sampa
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Heterobranchus longifilis
Bild av Mertens, P.

Klassificering / Namn Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Clariidae (Airbreathing catfishes)
Etymology: Heterobranchus: Greek, heteros = other + Greek, brangchia = gill (Ref. 45335).
More on author: Valenciennes.

Miljö: miljö / Klimatzon / djupintervall / distributionsområde Ekologi

; sötvatten bottenlevande; flodvandrande (Ref. 51243); djupintervall 10 - ? m (Ref. 7248). Tropical; 22°C - 23°C (Ref. 2059); 25°N - 22°S, 16°W - 40°E

Utbredning Territorier | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri

Africa: Nile, Congo system, upper and middle Zambezi (Ref. 3820). Reported from Lake Rukwa and the lower Zambezi (Ref. 95585). Also from Lakes Tanganyika and Edward (Ref. 7248). In West Africa known from the Gambia, Upper Senegal, Niger, Benue, Lake Chad, Volta, and coastal basins from Guinea to Nigeria, including the delta of Niger and the Cross river (Ref. 57129). In Lower Guinea present in the Cross and Sanaga in Cameroon and the Ogowe in Gabon (Ref. 81644).

Storlek / Vikt / Ålder

Könsmognad: Lm ?  range ? - ? cm
Max length : 150 cm SL hane/ej könsbestämd; (Ref. 4967); publicerad maxvikt: 55.0 kg (Ref. 7248)

Kort beskrivning Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 26 - 35; Mjukstrålar i analfenan: 42 - 52; Ryggkotor: 55 - 61. Diagnosis: length of rayed dorsal fin 27-36% standard length; 26-35 dorsal-fin rays (Ref. 57129, 81644). Length of adipose fin 24-34% standard length (Ref. 57129, 81644), about equal to the length of the rayed dorsal fin (Ref. 28714). Width of vomerine tooth plate 25.0-32.2%, and width of premaxillary tooth plate 29.5-36.9% head length (Ref. 57129, 81644). Pectoral spine with strong, downward-pointed serrations on the anterior side (Ref. 270, 57129, 81644). Length of pectoral fin 12.7-18.0% SL (mean 16) (Ref. 81644). Posterior part of adipose fin blackish (Ref. 4967, 57129). Caudal fin with a whitish cross-bar (Ref. 57129). Head long, broad and somewhat rectangular in dorsal outline (Ref. 270), its length 28.4-35.9% SL (Ref. 81644). Snout broadly rounded; eyes superolateral in position; frontal fontanelle long and narrow; occipital fontanelle oval-shaped; tooth plates wide; suprabranchial organ well developed; caudal fin barred; openings of secondary canals hardly visible but display a regular pattern (Ref. 270).
Body shape (shape guide): elongated; Cross section: circular.

Biologi     Ordlista (t.ex. epibenthic)

Facultative air-breathing (Ref. 126274); An uncommon species which inhabits large rivers (Ref. 4967). Largest freshwater species in southern Africa; occurs in large deep rivers within the mainstream or in deep pools and lakes or backwaters (Ref. 7248, 78218). Most active at night, feeding on any available food, including invertebrates and insects when small, fish and other small vertebrates when large; scavenges off large carcasses and offal from riverside villages; live for 12 or more years (Ref. 7248). Maximum reported size for West Africa and Lower Guinea: 610 mm TL (Ref. 57129, 81643).

Livscykel och parningsbeteende Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver

Huvudreferens Ladda upp dina referenser | referenser | Koordinator | Medarbetare

Teugels, G.G., B. Denayer and M. Legendre, 1990. A systematic revision of the African catfish genus Heterobranchus Geoffroy-Saint-Hilaire, 1809 (Pisces: Clariidae). Zool. J. Linn. Soc. 98:237-257. (Ref. 270)

Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))

  Least Concern (LC) ; Date assessed: 29 May 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Hot mot människor

  Harmless





Mänskliga användningsområden

Fiskeri: mindre kommeriell; Vattenbruk: kommersiell; sportfisk: ja
FAO - Vattenbrukssystem: production search; Publication: search | FishSource |

Ytterligare information

Trofisk ekologi
Livsmedelsartiklar (preys)
Födosammansättning
Födointag
Matransoner
Predatorer
Ekologi
Ekologi
Populationsdynamik
Tillväxtparametrar
Max. åldrar / storlekar
Längd-vikt rel.
Längd-längd rel.
Längd-frekvenser
Massakonvertering
Rekrytering
Abundans
Livscykel
Reproduktion
Könsmognad
Mognad/Gills rel.
Fekunditet
Lek
Lekande aggregat
Ägg
Utveckling av ägg
Larver
Larvdynamik
Utbredning
Territorier
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videor
Anatomi
Gälyta
Hjärna
Otolit
Fysiologi
Kroppssammansättning
Näringsämnen
Syreförbrukning
Typ av simning
Simhastighet
Visuella pigment
Ljud från fisk
Sjukdomar & Parasiter
Toxicitet (LC50)
Genetik
Genom
Genetik
Heterozygositet
Ärftlighet
Genetisk mångfald
Människorelaterad
Vattenbrukssystem
Vattenbruksprofiler
Avelslinjer
Ciguatera-fall
Frimärken, mynt, diverse.
Uppsökande verksamhet
Medarbetare
referenser
referenser

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Uppskattningar baserade på modeller

Index för fylogenetisk mångfald
(Ref. 82804)
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00759 (0.00595 - 0.00968), b=2.93 (2.86 - 3.00), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trofisk nivå
(Ref. 69278)
3.7   ±0.66 se; based on food items.
Generation time 10.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resiliens
(Ref. 120179)
Låg, lägsta populationsfördubblingstid 4,5-14 år (K=0.11; tmax > 11; Fec > 10,000).
Sårbarhet i fisket
(Ref. 59153)
High to very high vulnerability (69 of 100). 🛈
Priskategori
(Ref. 80766)
Unknown.
Näringsämnen
(Ref. 124155)
Calcium = 51.6 [22.9, 102.5] mg/100g; Iron = 1.02 [0.53, 1.99] mg/100g; Protein = 16.9 [15.4, 18.6] %; Omega3 = 0.248 [0.091, 0.639] g/100g; Selenium = 131 [55, 297] μg/100g; VitaminA = 19.2 [6.5, 51.2] μg/100g; Zinc = 1.06 [0.68, 1.56] mg/100g (wet weight);