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Pimelodella humeralis Slobodian, Akama & Dutra, 2017

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Image of Pimelodella humeralis
No image available for this species;
drawing shows typical species in Heptapteridae.

Common names from other countries

التصنيف / Names الأسماء الشائعة | مرادفات | Catalog of Fishes(جنس, الانواع) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Heptapteridae (Three-barbeled catfishes)
Etymology: Pimelodella: Diminutive latinized of greek, pimele = fat + Greek, odous, odella = little teeth (Ref. 45335);  humeralis: Named for the conspicuous dark blotch in the humeral area, a character not observed in any other nominal species of Pimelodella; an adjective..

Environment: milieu / climate zone / depth range / distribution range البيئة

; المياه العذبة قاعية التغذية و المعيشة; pH range: 4.3 - 4.5.   Tropical; 26°C - 27°C (Ref. 118150)

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South America: Brazil.

الحجم / وزن / العمر

Maturity: Lm ?  range ? - ? cm
Max length : 95.8 cm TL ذكر/ مختلط الجنس; (Ref. 118150)

وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي

الأشواك الظهرية (المجموع) : 1; الأشعة الظهرية الناعمة (المجموع) : 6; شوكة شرجية: 4; أشعه شرجية لينه: 10 - 11; فقرات: 47 - 49. The species is distinguished from its congeners by the following set of characters: with a dark anteriorly oblique blotch in the humeral region, its anterior limit slightly ahead of vertical through the spinelet, and its posterior limit at vertical through the base of second branched dorsal-fin ray; 47-49 total vertebrae; 8-11 retrorse triangular, broad-based and strongly inclined dentations confined to basal three-fourths of pectoral-fin spine posterior margin; presence of an unpigmented region dorsally and ventrally adjacent to the dark midlateral stripe; maxillary barbels reaching at least the caudal fin insertion; the longest ray of dorsal-fin 18.7-22.5% SL; subequal caudal-fin lobes; dark midlateral stripe narrow, from pseudotympanum to the caudal-fin insertion, dorsal region of body without dark stripes; dorsal fin with hyaline stripe near base, followed distally by a dark stripe, then another hyaline stripe and distalmost two-fifths dark (Ref. 118150).

أحياء     المصطلحات (على سبيل المثال epibenthic)

Collected along a sandy beach in the middle stretch of the river. Water parameters during the collection event were: 26.1-26.7ºC; pH 4.25-4.46; conductivity 76-77 mS. (Ref. 118150).

Life cycle and mating behavior Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae

المرجع الرئيسي Upload your references | مراجع | المنظم : Bockmann, Flavio | المتعاونين

Slobodian, V., A. Akama and G.M. Dutra, 2017. A new species of Pimelodella (Siluriformes: Heptapteridae) from the Guiana Shield, Brazil. Zootaxa 4338(1):85-100. (Ref. 118150)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 06 November 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

  Harmless




استخدامات بشرية

FAO(Publication : search) | FishSource |

مزيد من المعلومات

Trophic ecology
عناصر الغذاء
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Food consumptions
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مفتريسات
Ecology
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Length-weight rel.
Length-length rel.
الطول- الترددات
Mass conversions
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Life cycle
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Egg(s)
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Ciguatera cases
Stamps, coins, misc.
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مصادر علي الأنترنت

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00383 - 0.01808), b=2.97 (2.80 - 3.14), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
مستوى غذائي (Ref. 69278):  4.0   ±0.6 se; based on size and trophs of closest relatives
المرونه (Ref. 120179):  منخفظ جدا, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أكثر من 14 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).