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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Atractoscion: Greek, atraktos, arrow + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री बेनथोपिलाजिक; गहराई सीमा 15 - 200 m (Ref. 3593), usually 100 - 200 m (Ref. 3593). Tropical; 14°N - 28°S
Western Indian Ocean: off Mozambique and South Africa.
Length at first maturity / आकार / वज़न / Age
Maturity: Lm ?, range 65 - ? cm
Max length : 130 cm TL पुल्लिंग / अलिंग; (Ref. 4373); common length : 90.0 cm SL पुल्लिंग / अलिंग; (Ref. 9772); अधिकतम प्रकाशित वज़न: 25.0 kg (Ref. 4373)
पृष्ठीय रीढ़ (सम्पूर्ण) : 10 - 11; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 25 - 32; गुदा कांटा: 2; ऐनल सौफट रेज़: 9 - 10. Body silvery (Ref. 4373).
Found in coastal waters, over sand muddy bottom. Juveniles enter estuaries. Adults feed on pelagic fishes at night. Often caught with Umbrina canariensis. Feeds on pelagic fish such as mackerel and horse mackerel (Ref. 36731). Marketed fresh, flesh highly esteemed (Ref. 9772).
Life cycle and mating behavior
Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा
Chao, L.N. and E. Trewavas, 1990. Sciaenidae. p. 813-826. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3593)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
मात्स्यिकी: व्यापारिक; आखेट मत्स्य: हां
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
123201): 14 - 26.5, mean 18.7 °C (based on 131 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00413 - 0.01752), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.5 ±0.80 se; based on food items.
Generation time: 4.1 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
लौटाव (Ref.
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (K=0.27; tm=5).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).
Climate Vulnerability (Ref.
125649): Very high vulnerability (83 of 100).
Nutrients (Ref.
124155): Calcium = 44.8 [25.6, 94.5] mg/100g; Iron = 0.725 [0.352, 1.348] mg/100g; Protein = 18.7 [17.4, 20.0] %; Omega3 = 0.217 [0.106, 0.379] g/100g; Selenium = 90.5 [45.3, 199.3] μg/100g; VitaminA = 26.7 [8.7, 87.3] μg/100g; Zinc = 0.651 [0.448, 0.988] mg/100g (wet weight);