Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري; المياه العذبة; مياه مخلوطة القاع. Tropical; 13°N - 11°S, 77°W - 35°W
Western Atlantic: Caribbean and Atlantic draining rivers and estuaries from Colombia to Brazil.
Length at first maturity / الحجم / وزن / العمر
النضج: Lm 36.6 range ? - 44.7 cm
Max length : 100.0 cm TL ذكر/ مختلط الجنس; (Ref. 3265); common length : 50.0 cm TL ذكر/ مختلط الجنس; (Ref. 3265); أعلا وزن تم نشرة: 9.0 kg (Ref. 5217); العمر: 4 سنين (Ref. 51629)
الأشواك الظهرية (المجموع) : 1. The head is more or less flattened, the nostril nearly rounded, mouth inferior. There are three pairs of barbels, 1 pair of maxillary barbel and 2 pairs of mandibular barbels.
Body shape (shape guide): elongated.
Inhabits mainly brackish estuaries and lagoons. Occurs also in freshwaters (Ref. 58022). Found on shallow muddy bottoms (Ref. 5217). Feeds on fish and shrimps. Two annual cycles of slower growth occur during the dry seasons (March and August to November). Life span is three to four years. Sexually mature at 1.5 to 2 years of age. Reproduction takes place from November to April. Consumed as food (Ref. 35381). Marketed fresh. The skull is sold throughout the world as crucifix.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Pairing involved in reproduction. Mouth brooding may be employed (Ref. 205).
Taylor, W.R. and N.A. Menezes, 1978. Ariidae. In W. Fischer (ed.) FAO species identification sheets for fishery purposes. West Atlantic (Fishing Area 31). volume 1. [pag. var.]. FAO, Rome. (Ref. 3265)
IUCN Red List Status (Ref. 130435: Version 2025-1)
خطر للأنسان
Traumatogenic (Ref. 36613)
استخدامات بشرية
مصائد: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 26.9 - 27.8, mean 27.4 °C (based on 66 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00377 - 0.01008), b=3.17 (3.02 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (مرجع
69278): 4.4 ±0.7 se; based on diet studies.
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (tm=1.5; tmax=3.5; K=0.5).
Prior r = 0.98, 95% CL = 0.65 - 1.47, Based on 3 data-limited stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
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Nutrients (Ref.
124155): Calcium = 98.3 [51.2, 205.4] mg/100g; Iron = 1.09 [0.68, 1.92] mg/100g; Protein = 17.3 [15.6, 19.0] %; Omega3 = 0.169 [0.095, 0.304] g/100g; Selenium = 68.5 [33.7, 141.9] μg/100g; VitaminA = 16.1 [6.8, 40.8] μg/100g; Zinc = 0.811 [0.533, 1.257] mg/100g (wet weight);
