Klassifizierung / Names
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Characiformes (Characins) >
Erythrinidae (Trahiras)
Etymology: Hoplias: Greek, hoplon = weapon (Ref. 45335).
Eponymy: Dr João Batista de Lacerda (1845–1915) was a physician, biomedical scientist and anthropologist. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
See Britski, 1970(81-82) for diganose and differentiation of Hoplias malabaricus.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser benthopelagisch. Tropical
South America: Ribeira de Iguape River basin in São Paulo and Paraná, Brazil.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 75.0 cm SL Männchen/unbestimmt; (Ref. 37025); max. veröff. Gewicht: 4.3 kg (Ref. 79585)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
This species is distinguished from the other species of H. lacerdae group in having 6-8 pores of the laterosensory system along the ventral surface of dentary (vs. 4-6 in H. brasiliensis and H. intermedius, always 5 in H. australis and 4 in H. curupira); 43-48 scales along lateral line (vs. 38-43 H. brasiliensis and 34-39 in H. curupira) (Ref. 81195).
Body shape (shape guide): elongated; Cross section: circular.
Piscivorous (Ref. 79585).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Oyakawa, O.T. and G.M.T. Mattox, 2009. Revision of the Neotropical trahiras of the Hoplias lacerdae species-group (Ostariophysi: Characiformes: Erythrinidae) with descriptions of two new species. Neotrop. Ichthyol. 7(2):117-140. (Ref. 81195)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell; Aquakultur: kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 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=0.00724 (0.00397 - 0.01320), b=3.10 (2.94 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
4.3 ±0.7 se; based on size and trophs of closest relatives |
Widerstandsfähigkeit (Ref. 120179) |
mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Moderate to high vulnerability (53 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
Unknown.
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