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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten bottenlevande; havsvandrande (Ref. 51243); djupintervall 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).
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm 11.5, range 11 - 16.5 cm
Max length : 40.0 cm TL hane/ej könsbestämd; (Ref. 30573); common length : 14.0 cm SL hane/ej könsbestämd; (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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 24.7 - 29.1, mean 28.3 °C (based on 1056 cells).
Index för fylogenetisk mångfald (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).
Trofisk nivå (Ref.
69278): 4.1 ±0.70 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.9; tmax=6.7; Fec=12,744).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (20 of 100).
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Näringsämnen (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);
