Chelon dumerili, Grooved mullet : fisheries

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Chelon dumerili (Steindachner 1870)

Grooved mullet
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Chelon dumerili   AquaMaps   Data sources: GBIF OBIS
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Image of Chelon dumerili (Grooved mullet)
Chelon dumerili
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Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Mugiliformes (Mullets) > Mugilidae (Mullets)
Etymology: Chelon: Greek, chelone = turtle (Ref. 45335).  More on author: Steindachner.

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

; marina; sötvatten; brackvatten bottenlevande; katadrom (Ref. 51243).   Tropical; 20°C - 25°C (Ref. 13614); 21°N - 36°S, 20°W - 38°E

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

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

Length at first maturity / Size / Vikt / Age

Maturity: Lm 17.0  range ? - ? cm
Max length : 40.0 cm TL hane/ej könsbestämd; (Ref. 4393); common length : 18.0 cm SL hane/ej könsbestämd; (Ref. 7399)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 5; Mjukstrålar i ryggfenan (totalt): 8-9; Taggstrålar i analfenan 3; Mjukstrålar i analfenan: 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).

Biologi     Ordlista (t.ex. epibenthic)

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). Feed on plankton and detritus (Ref. 28587). Oviparous, eggs are pelagic and non-adhesive (Ref. 205). Shows 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).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator : Harrison, Ian | Medarbetare

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 Red List Status (Ref. 123251)

  Data deficient (DD) ; Date assessed: 21 May 2013

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: kommersiell
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 19.6 - 27.9, mean 26.1 °C (based on 96 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00829 - 0.02003), b=2.99 (2.87 - 3.11), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trofisk nivå (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.
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (26 of 100) .
Price category (Ref. 80766):   Medium.