Protopterus dolloi, Slender lungfish : fisheries

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Protopterus dolloi Boulenger, 1900

Slender lungfish
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Protopterus dolloi
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Ceratodontiformes (Australian lungfishes) > Protopteridae (African lungfishes)
Etymology: Protopterus: Greek, pro = first, in front of + Greek, pteron = wing, fin (Ref. 45335);  dolloi: Named after Louis Dollo, for his work on the phylogeny of the lungfishes (Ref. 41613).
More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser demersal. Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Africa: widespread in the lower and middle Congo River basin (Ref. 3498, 40587, 81627, 104724). Also known from the Ogowe, Kouilou-Niari and Loeme rivers (Ref. 3498, 40587, 81627).

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 130 cm TL Männchen/unbestimmt; (Ref. 3498); max. veröff. Gewicht: 11.0 kg (Ref. 41589)

Kurzbeschreibung Morphologie | Morphometrie

Diagnosis: Body cylindrical and more elongate than in other Protopterus species (Ref. 81627). Pectoral and pelvic fins filamentous (Ref. 40587). About 85-95 scales on the longitudinal line between operculum and anus (Ref. 104724).

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

Obligate air-breathing (Ref. 126274); Protopterus dolloi is not aestivating in cocoons during the dry-season, because the habitat in which it lives is never completely dry (Ref. 81627); although it never lost the capability to aestivate (Ref. 40587). Therefore, the tunnel which it digs is not for hibernation but functions as a protected chamber during reproduction, which takes place in the dry season (Ref. 81627). The male guards the eggs and larvae in the nest, which is built in the mud of the swamps, while the females can be found in the open water of the rivers (Ref. 41587, 81627). The food of Protopterus dolloi are fishes and insects, but during the time of reproduction its food is more vegetarian (Ref. 40587, 46852).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Nests are found from June until October; the male guards the eggs and young (Ref. 40587).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Boden, G., 2007. Protopteridae. p. 165-167. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81627)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: weniger kommerziell
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6602   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00155 - 0.00977), b=3.10 (2.88 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.40 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Assuming tmax > 30).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (78 of 100).
Preiskategorie (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 34.6 [7.9, 105.9] mg/100g; Iron = 0.98 [0.38, 4.94] mg/100g; Protein = 3.18 [0.00, 7.00] %; Omega3 = 0.247 [0.082, 0.731] g/100g; Selenium = 78.3 [23.7, 253.2] μg/100g; VitaminA = 18.9 [6.9, 48.5] μg/100g; Zinc = 1.29 [0.66, 2.50] mg/100g (wet weight);