Chelon dumerili, Grooved mullet : fisheries

Chelon dumerili (Steindachner, 1870)

Grooved mullet
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Chelon dumerili
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> 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).

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

seewasser; süßwasser; brackwasser demersal; katadrom (Ref. 138280). Tropical; 20°C - 25°C (Ref. 13614); 21°N - 36°S, 20°W - 38°E

Verbreitung Territorien | FAO Gebiete | Ökosysteme | Vorkommen | Punkt Karte | Einführungen | Faunafri

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

Länge bei der ersten Reifung / Größe / Gewicht / Alter

Geschlechtsreife: Lm 17.0  range ? - ? cm
Max length : 40.0 cm TL Männchen/unbestimmt; (Ref. 4393); common length : 18.0 cm SL Männchen/unbestimmt; (Ref. 7399)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 5; Rückenflossenweichstrahlen (insgesamt) : 8 - 9; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 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     Fachlexikon (Englisch) (z.B. 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).

Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven

Hauptreferenz Laden Sie Ihre Referenzen hoch | Referenzen | Koordinator : Harrison, Ian | Partner

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)

IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))

  Daten mangelhaft (DD) ; Date assessed: 21 May 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: kommerziell
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Schätzungen auf der Grundlage von Modellen

Bevorzugte Temperatur (Ref. 123201): 19.6 - 27.9, mean 26.1 °C (based on 96 cells).
Phylogenetischer Diversitätsindex (Ref. 82804):  PD50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00831 - 0.01997), b=2.99 (2.87 - 3.11), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophische Ebene (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.
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (K=0.4-0.5;).
Anfälligkeit der Fischerei (Ref. 59153):  Low to moderate vulnerability (26 of 100). 🛈
Preiskategorie (Ref. 80766):   Medium.
Nährstoffe (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);