Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά); Γλυκού νερού; Υφάλμυρο βενθικό(ς); εύρος βάθους 0 - 50 m (Ref. 2683). Tropical; 21°N - 18°S, 26°W - 20°E
Eastern Atlantic: Senegal to Angola (Ref. 5979, 81290, 81683). Also reported from Mauritania (Ref. 55783).
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 17.6 cm TL αρσενικό/απροσδιόριστο; (Ref. 128374)
Ραχιαίες άκανθες (συνολικά): 0; Μαλακές ραχιαίες ακτίνες (συνολικά): 80-87; Εδρικές άκανθες 0; Μαλακές εδρικές ακτίνες: 59 - 65. Diagnosis: body oval, its depth 45-50% SL (Ref. 81290, 81683). Head length 27-31% SL; eye diameter 16-23% HL; teeth in a single row on upper as well as lower jaw, no caniniform teeth (Ref. 81683). Interorbital space narrow and slightly concave (Ref. 81290, 81683). Hind end of maxilla extending to below centre of eye (Ref. 81290, 81683) but never posterior to posterior edge of pupil (Ref. 81683). Fin base length of both pelvic fins short and of about equal length (Ref. 81683). Body covered with cycloid or weakly ctenoid scales (Ref. 81290, 81683). Gill rakers moderately long and slender (Ref. 81290, 81683), about 2/3-3/4 length of gill filaments at angle of gill arch (Ref. 81683).
Coloration: eyed side yellowish brown with dark spots along dorsal and anal fins; dark brown spot at base of caudal fin, as well as on upper and lower caudal fin rays; dorsal and anal fins with a series of dark brown spots; blind side entirely whitish (Ref. 81620, 81683).
Occurs in coastal waters (Ref. 2683, 81290) and brackish water of estuaries and lagoons (Ref. 81290, 81683), also ascending rivers (Ref. 81683) and entering freshwater (Ref. 2683). Feeds on fish, shrimps and crabs (Ref. 28587).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Distinct pairing (Ref. 205). Oviparous (Ref. 101737). Females produce numerous eggs in multiple spawnings during a prolonged spawning period (Ref. 101737).
Aldebert, Y., M. Desoutter and J.-C. Quéro, 1990. Bothidae. p. 1027-1036. 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. 5979)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά)
Περισσότερες πληροφορίες
ΑναφορέςΥδατοκαλλιέργειεςΠροφίλ υδατοκαλλιέργειαςΣτελέχοιΓενετικήElectrophoresesΚληρονομικότηταΑσθένειεςΜεταποίησηNutrientsMass conversion
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 23.7 - 28, mean 26.7 °C (based on 66 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00325 - 0.01693), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.9 ±0.67 se; based on food items.
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 279 [133, 549] mg/100g; Iron = 1.31 [0.64, 2.52] mg/100g; Protein = 17.1 [15.0, 19.1] %; Omega3 = 0.167 [0.079, 0.343] g/100g; Selenium = 48.1 [21.8, 105.2] μg/100g; VitaminA = 15.6 [4.7, 57.4] μg/100g; Zinc = 1.36 [0.89, 2.02] mg/100g (wet weight);
