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Siluriformes (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
Etymology: Pimelodella: Diminutive latinized of greek, pimele = fat + Greek, odous, odella = little teeth (Ref. 45335).
Eponymy: Sigismund Ernst Richard (Ricardo) Krone (1861–1917) was born in Dresden, Germany, but left there for Brazil (1884), settling in Iguape where he opened a pharmacy. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς); pH range: 7.0 - 8.0. High altitude; 15°C - 22°C (Ref. 38979); 24°S - , 48°W - (Ref. 97234)
South America: caves in the Ribeira do Iguape River basin in Sao Paulo, Brazil.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 20.2 cm SL αρσενικό/απροσδιόριστο; (Ref. 36914); μεγ. αναφερόμενη ηλικία: 15 έτη (Ref. 38979)
Cave-restricted species. Populations are found in headwater streams in caves, with rocky beds and many rapids intercalated with soft-bottom pools (Ref. 97234). Adults are generalist feeders and opportunistic carnivores feeding on invertebrates (Ref. 97234).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Reproductive mode and guild assumed to be the same as congeners (Ref. 56810).
Bockmann, F.A. and G.M. Guazzelli, 2003. Heptapteridae (Heptapterids). p. 406-431. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36914)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: χωρίς ενδιαφέρον
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00397 - 0.01825), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Generation time: 5.5 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Ελαστικότητα (Αναφ.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (tmax=15).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
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