Chelon ramada, Thinlip grey mullet : fisheries, aquaculture, gamefish

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Chelon ramada (Risso, 1827)

Thinlip grey mullet
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Native range | All suitable habitat | Point map | Year 2050
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Chelon ramada   AquaMaps   Data sources: GBIF OBIS
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Image of Chelon ramada (Thinlip grey mullet)
Chelon ramada
Picture by Meyer, T.


Tunisia country information

Common names: Bitoum
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: commercial | Ref: FAO, 1997
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ts.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Ben-Tuvia, A., 1986
National Database:

Common names from other countries

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

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

Environment: milieu / climate zone / εύρος βάθους / distribution range Οικολογία

Θαλασσινό(ά); Γλυκού νερού; Υφάλμυρο pelagic-neritic; κατάδρομος (Ref. 59043); εύρος βάθους 10 - 20 m (Ref. 30578). Temperate; 60°N - 15°N, 32°W - 42°E

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Σημειακός χάρτης | Εισαγωγές | Faunafri

Eastern Atlantic: from the coasts of southern Norway to Cape Verde, including the Mediterranean and the Black Sea (Ref. 2804, Ref. 51442, 116118). Records of its occurrence in tropical waters are based on misidentifications (Ref. 3573).

Length at first maturity / Μέγεθος / Βάρος / Age

Γεννητική Ωρίμανση: Lm 25.9, range 25 - 32 cm
Max length : 70.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 4645); common length : 35.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3646); μεγ. δημοσιευμένο βάρος: 2.9 kg (Ref. 40476); μεγ. αναφερόμενη ηλικία: 10 έτη (Ref. 40476)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 4 - 5; Μαλακές ραχιαίες ακτίνες (συνολικά) : 7 - 10; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 8 - 9. Fusiform body (Ref. 51442). Massive head, flattened above the eyes (Ref. 51442). Small mouth (Ref. 51442). Snout short and blunt (Ref. 51442). Two dorsal fins well-separated, the first with 4 to 5 spines (Ref. 40476, Ref. 51442). Pectoral fins are placed high on the flanks (Ref. 51442). Large scales (Ref. 51442). Dorsal sides and flanks gray-colored, ventral side white (Ref. 51442).
Body shape (shape guide): fusiform / normal.

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Adults are pelagic occurring near shore, entering lagoons and lower reaches of rivers in schools; often in polluted waters (Ref. 51442, 59043) between temperatures 8-24°C. Juveniles colonize the littoral zone and estuaries (Ref. 51442). Adults feed on epiphytic algae, detritus and small benthic or planktonic organisms, pelagic eggs and larvae while juveniles feed on zooplankton until about 3.0 cm SL, then on benthic animals and plants (Ref. 59043). Spawning takes place at sea near the coast between September and February (Ref. 30578, 51442). Oviparous, eggs are pelagic and non-adhesive (Ref. 205). Adults undergo migrations (Ref. 51442).

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Spawning takes place at sea near the coast by gathering in groups between September and February (Ref. 51442). The eggs develop at sea (Ref. 51442). The juveniles then colonize the littoral zone and the estuaries (Ref. 51442). Adults enter the lower parts of the rivers and treturn to the sea to spawn (Ref. 51442).

Main reference Upload your references | Αναφορές | Συντονιστής : Harrison, Ian | Συνεργάτες

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. 130435: Version 2025-1)

  Near Threatened (NT) (A2cd+4cd); Date assessed: 07 June 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

αλιεία: Εμπορικό(ά); Υδατοκαλλιέργειες: Εμπορικό(ά); αλιεία αναψυχής: ναί
FAO - Aquaculture systems: Παραγωγή; ; Publication: search | FishSource | Η θάλασσα γύρω μας

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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Αναφ. 123201): 9.7 - 20.1, mean 11.8 °C (based on 314 cells).
Phylogenetic diversity index (Αναφ. 82804):  PD50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00740 - 0.01176), b=2.96 (2.93 - 2.99), in cm total length, based on LWR estimates for this species (Ref. 93245).
Τροφικό Επίπεδο (Αναφ. 69278):  2.3   ±0.20 se; based on food items.
Generation time: 4.4 (3.2 - 7.3) years. Estimated as median ln(3)/K based on 10 growth studies.
Ελαστικότητα (Αναφ. 120179):  Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (K=0.1-0.4; tm=2-5; tmax=10).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (42 of 100). 🛈
Price category (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 16.3 [5.2, 148.0] mg/100g; Iron = 0.275 [0.165, 0.453] mg/100g; Protein = 18.2 [16.9, 19.7] %; Omega3 = 1.14 [0.46, 2.94] g/100g; Selenium = 3.21 [1.26, 8.34] μg/100g; VitaminA = 8.98 [2.20, 38.02] μg/100g; Zinc = 0.485 [0.343, 0.670] mg/100g (wet weight); based on nutrient studies.