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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Eponymy: Rev Dr Christoph Samuel John (1747–1813) was a botanist and herpetologist and a medical missionary (1771–1813) at the Danish trading station of Tranquebar (now Tharangambadi), Tamil Nadu, not far from Madras (Chennai). [...] Jean-Jacques Dussumier (1792–1883) was a French merchant, collector, traveller and ship owner. [...] (Ref. 128868), visit book page.
More on author: Cuvier.
Issue
The species Johnius sina (Cuvier, 1830) is considered as valid in Ref. 122871.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة القاع; محيطية (Ref. 51243); نطاق العمق 5 - 50 m (Ref. 122858). Tropical; 26°N - 8°N
Indian Ocean: Pakistan to the Andaman Islands. Records outside this area are probably misidentifications (e.g. of Johnius dorsalis in Africa).
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 11.5, range 11 - 16.5 cm
Max length : 40.0 cm TL ذكر/ مختلط الجنس; (Ref. 30573); common length : 14.0 cm SL ذكر/ مختلط الجنس; (Ref. 13679)
Found in coastal waters. Enters estuaries (Ref. 4833). Feeds on invertebrates and small fishes (Ref. 30573). Marketed fresh, dried salted.
Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam, i-xxii + 543-1158, 1 pl. (Ref. 4833)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 29.1, mean 28.3 °C (based on 1056 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00655 - 0.01057), b=3.07 (3.05 - 3.09), in cm total length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.1 ±0.70 se; based on food items.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.9; tmax=6.7; Fec=12,744).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
Nutrients (Ref.
124155): Calcium = 429 [106, 1,406] mg/100g; Iron = 1.6 [0.6, 3.7] mg/100g; Protein = 19.1 [17.1, 21.2] %; Omega3 = 0.257 [0.136, 0.439] g/100g; Selenium = 115 [37, 358] μg/100g; VitaminA = 13.8 [4.8, 43.0] μg/100g; Zinc = 1.58 [0.74, 2.82] mg/100g (wet weight);