Common names from other countries
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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Isopisthus: Greek, isos = equal + Greek, opisthe = behind (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; مياه مخلوطة القاع; نطاق العمق 1 - 45 m (Ref. 3702). Tropical; 10°N - 27°S, 83°W - 34°W
Western Atlantic: Costa Rica to southern Brazil.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 15.9  range ? - ? cm
Max length : 41.5 cm TL ذكر/ مختلط الجنس; (Ref. 122735); common length : 20.0 cm TL ذكر/ مختلط الجنس; (Ref. 3702); أعلا وزن تم نشرة: 740.00 g (Ref. 122735)
الأشواك الظهرية (المجموع) : 8 - 9; الأشعة الظهرية الناعمة (المجموع) : 19 - 20; شوكة شرجية: 2; أشعه شرجية لينه: 18 - 19. Silver grey, darker above. A diffuse black spot at pectoral-fin bases, fins pale to yellowish. Mouth large, strongly oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Chin without barbel or pores, lower margin of snout with 2 marginal pores. Two widely separated dorsal fins. Gas bladder with a pair of horn-like anterior appendages. Sagitta (large earstone) moderately thick and oval (Ref 51721).
Found in shallow coastal waters over sandy mud or soft mud bottoms (Ref. 3702). Feeds mainly on small shrimps (Ref. 3702). Important food fish.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Cervigón, F., 1993. Los peces marinos de Venezuela. Volume 2. Fundación Científica Los Roques, Caracas,Venezuela. 497 p. (Ref. 9626)
IUCN Red List Status (Ref. 130435: Version 2024-2)
CITES (Ref. 131153)
Not Evaluated
استخدامات بشرية
مصائد: غير مهمة تجارياً; طعم: usually
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
115969): 24.8 - 27.9, mean 27.4 (based on 110 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00727 - 0.00867), b=3.07 (3.05 - 3.09), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.0 ±0.4 se; based on diet studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).