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Siluriformes (Catfishes) >
Pimelodidae (Long-whiskered catfishes)
Etymology: Pimelodus: Greek, pimele = fat + Greek, odous = teeth (Ref. 45335); halisodous: Derived from the Greek adjective 'halis', meaning in crowds, in plenty, sufficient, enough, and the Greek noun 'odous', meaning tooth, in reference to the several irregular rows of conical and slender teeth on each premaxilla.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
; المياه العذبة القاع. Tropical
South America: Rio Tocantins drainage in Brazil.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 11.1 cm SL ذكر/ مختلط الجنس; (Ref. 79502)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 2; الأشعة الظهرية الناعمة (المجموع) : 7; فقرات: 41. Differs from all other species of the genus, except Pimelodus jivaro, Pimelodus joannis, Pimelodus ornatus, Pimelodus pictus, and Pimelodus stewarti, by the possession of a dorsal median crest along supraoccipital process; and shorter
distance between the posterior nostril and the anterior orbital border (posterior nostril closer to anterior orbital border). Can be separated from Pimelodus jivaro by the shorter maxillary barbel, extending only slightly beyond caudal-fin base (vs. maxillary barbel surpassing total length); from Pimelodus ornatus and Pimelodus pictus by its
uniform grayish to yellowish coloration (vs. presence of two bands or dark dots along flanks, respectively); from Pimelodus stewarti and Pimelodus joannis by its longer pectoral-fin spine (20.0-23.5 vs. 15.4-19.6% SL); longer snout (43.1-47.9 vs. 35.8-41.8% HL); and larger number of premaxillary tooth rows (13-16 vs. 5-9) (Ref. 79502).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Ribeiro, F.R.V., C.A.S. Lucena and P.H.F. Lucinda, 2008. Three new Pimelodus species (Siluriformes: Pimelodidae) from the rio Tocantins drainage, Brazil. Neotrop. Ichthyol. 6(3):455-464. (Ref. 79502)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
أدوات
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00301 - 0.01516), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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