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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Diplodus: Greek, diploos = twice + Greek, odous = teeth (Ref. 45335).
Issue
Issue on validity of subspecies: subspecies considered as valid in FB, elevated to species rank as Diplodus hottentotus (Smith, 1844) in Eschmeyer (CofF ver. Mar. 2011: Ref. 86697). Please send references, or more studies are needed.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة القاع; نطاق العمق ? - 100 m. Subtropical
Western Indian Ocean: known only from southern Mozambique and South Africa.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 28.0  range ? - ? cm
Max length : 60.0 cm TL ذكر/ مختلط الجنس; (Ref. 3507); common length : 30.0 cm TL ذكر/ مختلط الجنس; (Ref. 3507); العمر: 33 سنين (Ref. 26244)
الأشواك الظهرية (المجموع) : 11; الأشعة الظهرية الناعمة (المجموع) : 12 - 14; شوكة شرجية: 3; أشعه شرجية لينه: 11. Young bright yellow between crossbars.
Inhabits coastal waters, mainly on rocky bottoms. Also enters estuaries, which are also used as nursery grounds. Feeds on fish, mollusks, crustaceans, worms, and other organisms. Has a nauseating odor; sold fresh in markets.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Heemstra, P.C. and E. Heemstra, 2004. Coastal fishes of Southern Africa. National Inquiry Service Centre (NISC) and South African Institute for Aquatic Biodiversity (SAIAB), Grahamstown. 488 p. (Ref. 58304)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
مصائد: تجاري; لعبة سمكه: نعم
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00813 - 0.02041), b=3.06 (2.93 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.6 ±0.53 se; based on food items.
Generation time: 12.1 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (tm=6; tmax=33).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (68 of 100).