>
Characiformes (Characins) >
Curimatidae (Toothless characins)
Etymology: Cyphocharax: Greek, kyphos = curved, humpback + Greek, charax = a marine fish without identification (Ref. 45335).
Eponymy: Professor Theodore Nicholas Gill (1837–1914) was an American ichthyologist, malacologist, mammologist and librarian, a zoologist at George Washington University and associated with the Smithsonian Institution for more than half a century. [...] (Ref. 128868), visit book page.
More on authors: Eigenmann & Kennedy.
Taxonomic Remarks
See Vari (1992:109) for detailed description.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical; 20°C - 28°C (Ref. 2059)
South America: Paraguay River basin in Brazil and Paraguay.
الحجم / وزن / العمر
النضج: Lm ?  range ? - ? cm
Max length : 10.0 cm SL ذكر/ مختلط الجنس; (Ref. 81048)
The species was reported to swim near the bottom to feed, substrate containing food are scooped and ingested. Stomach content with diatoms, desmids, and epiphytic filamentous algae. Apparently territorial, guarding areas with submerged grassy plants with algal cover, defending with chases, nips, strikes, and mouth fighting. May form schools of up to 30 individuals. Also reported to occur in small streams or places of weak currents in adjoining swampy areas. Captured along banks of rivers (Ref. 11334).
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Vari, R.P., 1992. Systematics of the neotropical characiform genus Cyphocharax Fowler (Pisces, Ostariophysi). Smithson. Contrib. Zool. 529:137 p. (Ref. 11334)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
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]. |
|
Bayesian length-weight
|
a=0.01413 (0.00618 - 0.03226), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
2.0 ±0.00 se; based on food items. |
المرونه (مرجع 120179) |
عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.). |
ضعف الصيد (Ref. 59153) |
Low vulnerability (20 of 100). 🛈 |