Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Schilbeidae (Schilbid catfishes)
Etymology: mystus: Named for Mr. Adanson, collector of the type material of this species (Ref. 43912).
More on author: Linnaeus.

Issue
This species was commonly known as Schilbe (Eutropius) niloticus; the morphological examination of the holotype of Silurus mystus Linnaeus, 1758 (De Vos and Skelton, 1990) has shown that this specimen and Schilbe (Eutropius) niloticus Rüppel, 1829 belong to the same species; this results in the substitution of the name S. niloticus by the oldest name available, in this case, S. mystus.

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

; Γλυκού νερού βενθικό(ς); ποταμόδρομος (Ref. 51243); εύρος βάθους 4 - 69 m. Tropical; 23°C - 27°C (Ref. 1672); 25°N - 27°S, 17°W - 45°E

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Africa: Nilo-Sudanese species, known from the Nile basin and in West Africa from the Senegal River eastwards to the Cross, Wouri and Sanaga River, including the Chad basin (Ref. 43912). Various reports, including from the Ogowe and Congo River basin or Zambia and Zimbabwe, are based on misidentifications (Ref. 43912). Reports from Angola and Tanzania are questionable and need confirmation.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: L_m 13.1, range 15 - ? cm
Max length : 35.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 57127); μεγ. δημοσιευμένο βάρος: 250.00 g (Ref. 3799); μεγ. αναφερόμενη ηλικία: 7 έτη (Ref. 7248)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 1; Μαλακές ραχιαίες ακτίνες (συνολικά) : 6. Diagnosis: adipose fin present (Ref. 43912, 57127, 81643) and fully developed (Ref. (Ref. 57127, 81643). Anterior nostrils more closer to each other than to posterior ones; inner margin of pectoral-fin spine strongly denticulate posteriorly (Ref. 43912, 57127, 81643). Nasal barbel reaching to anterior eye margin (Ref. 57127, 81643), but never extending beyond posterior margin of eye (Ref. 43912, 57127, 81643). Mouth subterminal (Ref. 57127, 81643), snout reaching beyond lower jaw (Ref. 43912). 45-64 branched anal-fin rays and 8-15 gill rakers on lower limb of first gill arch (Ref. 43912, 57127, 81643).

Lacustrine as well as fluviatile species, confined to lakes and moderate to large rivers (Ref. 43912). Shoals in standing or slowly flowing open water with emergent or submerged vegetation. Generally more active at night or in subdued light. Feed from mid-water and surface waters on a wide variety of foods including fish, insects, shrimps, snails, plant seeds, and fruit. Oviparous, eggs are unguarded (Ref. 205). Often important spawning migrations occur (Ref. 43912). Breed during the rainy season and may be either a single or multiple spawner in different localities, laying eggs on vegetation. May live up to 6-7 years (Ref. 7248). Max total length 45.0mm (Ref. 43912). Also caught with drawnets. In general considered as a flavoured, first class eating fish (Ref. 43912).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Distinct pairing (Ref. 205).

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

De Vos, L., 1995. A systematic revision of the African Schilbeidae (Teleostei, Siluriformes). With an annotated bibliography. Ann. Mus. R. Afr. Centr., Sci. Zool., 271:1-450. (Ref. 43912)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 04 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

αλιεία: Εμπορικό(ά); αλιεία αναψυχής: ναί; Ενυδρείο: Εμπορικό(ά)

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Διαδικτυακές πηγές

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00832 (0.00658 - 0.01052), b=3.00 (2.93 - 3.07), in cm total length, based on LWR estimates for this species (Ref. 93245).

Τροφικό Επίπεδο (Ref. 69278): 3.5 ±0.4 se; based on diet studies.

Ελαστικότητα (Ref. 120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (K=0.09-0.94; tmax=6-7; assuming fec > 10,000).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (40 of 100).

Price category (Ref. 80766): Unknown.

Nutrients (Ref. 124155): Calcium = 128 [51, 292] mg/100g; Iron = 1.48 [0.69, 2.75] mg/100g; Protein = 16.9 [15.1, 18.7] %; Omega3 = 0.542 [0.207, 1.418] g/100g; Selenium = 78.6 [34.3, 193.3] μg/100g; VitaminA = 37.6 [13.9, 92.5] μg/100g; Zinc = 1.5 [1.0, 2.1] mg/100g (wet weight);

Schilbe mystus (Linnaeus, 1758)