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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.
Taxonomic Remarks
The species Johnius sina (Cuvier, 1830) is considered as valid in Ref. 122871.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser; brackwasser demersal; ozeanodrom (Ref. 51243); tiefenbereich 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).
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm 11.5, range 11 - 16.5 cm
Max length : 40.0 cm TL Männchen/unbestimmt; (Ref. 30573); common length : 14.0 cm SL Männchen/unbestimmt; (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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell
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Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 24.7 - 29.1, mean 28.3 °C (based on 1056 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00661 - 0.01046), b=3.06 (3.04 - 3.08), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophische Ebene (Ref.
69278): 4.1 ±0.70 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.9; tmax=6.7; Fec=12,744).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (20 of 100).
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Nährstoffe (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);