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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Loricariinae
Eponymy: Charles Frederick Hartt (1840–1878) was a Canadian geologist, palaeontologist and naturalist, who was a member of the Thayer Expedition (1865–1866) to Brazil, a country in which he was a specialist. [...] (Ref. 128868), visit book page.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
; المياه العذبة القاع. Tropical
South America: Uatumã River basin, Brazil.
الحجم / وزن / العمر
النضج: Lm ?  range ? - ? cm
Max length : 12.6 cm SL ذكر/ مختلط الجنس; (Ref. 39753)
Head and predorsal are marbled of dark and light brown; the rest of the dorsal surface yellowish with 3-4 faded transverse brown bars after dorsal fin. Ventral surface brown on snout and upper lip and the rest of the body uncolored. Dorsal fin inconspicuously spotted with a black blotch at tip of first rays. Pectoral and pelvic fin yellowish, with faded spots distally. Depressed head and body; head depth 2.8-3.2 times in HL; body depth 3-3.7 times in HL. Belly totally naked from throat to pelvic fins. In sexually mature males, no strongly curved pectoral spine; flat, broad spine, tapering towards the tip, covered by large odontodes on 2/3 of its length. Rictal barbel reduced and attached to lower lip by small membrane. Large subpreopercle strongly triangular with mesial side curved, plate boomerang shaped (Ref. 40703).
Body shape (shape guide): elongated.
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Rapp Py-Daniel, L.H. and E.C. Oliveira, 2001. Seven new species of Harttia from the Amazonian-Guyana region (Siluriformes: Loricariidae). Ichthyol. Explor. Freshwat. 12(1):79-96. (Ref. 39753)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
في خطر (EN) (B1ab(i,iii,iv)); Date assessed: 07 November 2018
استخدامات بشرية
أدوات
تقارير خاصة
تنزيل XML
مصادر علي الأنترنت
تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00589 (0.00271 - 0.01280), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
2.5 ±0.2 se; based on size and trophs of closest relatives |
المرونه (مرجع 120179) |
وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.). |
ضعف الصيد (Ref. 59153) |
Low to moderate vulnerability (31 of 100). 🛈 |