Chelon dumerili, Grooved mullet : fisheries

Chelon dumerili (Steindachner, 1870)

Grooved mullet
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> Mugiliformes (Mullets) > Mugilidae (Mullets)
Etymology: Chelon: Greek, chelone = turtle (Ref. 45335).
Eponymy: Auguste Henri André Duméril (1812–1870), was a physician and zoologist like his father (see next entry) and followed much in his father’s footsteps. [...] (Ref. 128868), visit book page.
More on author: Steindachner.

Taxonomic Remarks
Genetic data indicate that Chelon dumerilii is a complex of two species, one from Northwest and West central African coasts (= C. dumerilii), one in southeastern African coasts (Refs. 114224, 123262).

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien; zoet water; brak water demersaal; katadroom (Ref. 138280). Tropical; 20°C - 25°C (Ref. 13614); 21°N - 36°S, 20°W - 38°E

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Eastern Atlantic: Mauritania to South Africa (Ref. 3573, 57400). Western Indian Ocean: Delagoa Bay, Mozambique to Mossel Bay, South Africa (Ref. 81659).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturiteit: Lm 17.0  range ? - ? cm
Max length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 4393); common length : 18.0 cm SL mannelijk / geslacht onbekend; (Ref. 7399)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 5; Dorsale zachte stralen (totaal) : 8 - 9; Anale stekels: 3; Anale zachte stralen: 8 - 9. Diagnosis: 8-9 anal soft rays; anal fin and lower lobe of caudal fin whitish or greyish (Ref. 57400). Body with ctenoid scales except for anterior predorsal scales which are cycloid and extend to anterior nostril or slightly beyond (Ref. 81659). Scales numerous (Ref. 57400), not large, 33-41 in a longitudinal series (excluding scales on caudal fin base), 11-14 scale rows between pelvic and first dorsal fin (Ref. 81659). 5-8 mucous canals on scales in front of 1st dorsal fin (only 1, less often 2 or 3, in other Liza species (Ref. 57400). Posterior end of maxilla sigmoid, curved down over premaxilla; serrate, anteroventral edge of lachrymal distinctly concave; pharyngobranchial organ with 1-2 valves, anteroventral valve a moderate size, semi-lunate flap, posterior valve usually vestigial, as a small nodule or, at most, a low papillate fold, and may be absent (Ref. 81659).
Body shape (shape guide): fusiform / normal.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Adults inhabit shallow coastal waters (Ref. 27121), including estuaries (Ref. 2683, 57400, 81659), lagoons (Ref. 57400), tidal rivers (Ref. 3573), freshwater and supersaline environments (Ref. 81659). They feed on plankton and detritus (Ref. 28587). Oviparous, eggs are pelagic and non-adhesive (Ref. 205). They show a remarkable adaptation to hyperhaline environments (up to 97‰ in the Sine Saloum in Senegal)(Ref. 57400). Specimens from tropical East Atlantic reaching maximum of 280 mm SL and common to 180 mm SL (Ref. 81659).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload uw referenties | Referenties | Coördinator : Harrison, Ian | Medewerkers

Thomson, J.M., 1990. Mugilidae. p. 855-859. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 7399)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Onvoldoende gegevens (DD) ; Date assessed: 21 May 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: commercieel
FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01318 (0.00857 - 0.02029), b=2.99 (2.87 - 3.11), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278)
2.7   ±0.32 se; based on food items.
Generation time 2.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Weerstandsvermogen
(Ref. 120179)
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=0.4-0.5;).
Kwetsbaarheid van de visserij
(Ref. 59153)
Low to moderate vulnerability (26 of 100). 🛈
Prijsklasse
(Ref. 80766)
Medium.
Voedingsstoffen
(Ref. 124155)
Calcium = 98.3 [27.6, 541.6] mg/100g; Iron = 0.84 [0.43, 1.47] mg/100g; Protein = 17.8 [16.4, 19.3] %; Omega3 = 0.487 [0.210, 1.143] g/100g; Selenium = 17 [7, 41] μg/100g; VitaminA = 14 [4, 41] μg/100g; Zinc = 0.934 [0.591, 1.443] mg/100g (wet weight);