Leporinus jamesi

Leporinus jamesi Garman, 1929

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drawing shows typical species in Anostomidae.

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> Characiformes (Characins) > Anostomidae (Headstanders) > Leporininae
Etymology: Leporinus: Latin, lepus, leporis = rabbit (Ref. 45335).
Eponymy: Dr William James (1842–1910) was a physician, psychologist and philosopher, regarded as perhaps the USA’s greatest philosopher. [...] (Ref. 128868), visit book page.
More on author: Garman.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

; zoet water pelagisch. Tropical

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

South America: rio Amazonas, rio Solimões, rio Madeira, río Ucayali and lower portion of their tributaries at the central Amazonian region in Brazil and Peru.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 15.5 cm SL mannelijk / geslacht onbekend; (Ref. 96869)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 10 - 11; Anale zachte stralen: 9. Leporinus jamesi can be diagnosed from other congeners, except L. apollo, L. affinis, L. amazonicus, L. brunneus, L. cylindriformis, L. desmotes, L. falcipinnis, L. fasciatus, L. geminis, L. macrocephalus, L. muyscorum, L. niceforoi, L. nigrotaeniatus, L. obtusidens, L. pearsoni, L. pitingai, L. trifasciatus, L. unitaeniatus, and L. yophorus, by possessing 42 or more scales on the lateral line (vs. less than 42). It differs from L. desmotes, L. falcipinnis, L. fasciatus, L. pearsoni, and L. yophorus by having dark midlateral blotches on body (vs. body with dark transversal bars), head without dark transversal bars (vs. head with a dark transversal bar between the contralateral orbits), and eight pelvic- branched rays (vs. nine). It can be separated from L. macrocephalus, L. muyscorum, L. obtusidens, and L. trifasciatus by having four teeth on the premaxilla and dentary (vs. three on each). It also differs from L. brunneus, L. cylindriformis, L. geminis, L. niceforoi, L. nigrotaeniatus, L. pitingai, and L. unitaeniatus by having medially dark marks on the pectoral and pelvic fins (vs. hyaline), a body with two dark midlateral blotches, the first one relatively large and conspicuous, and the second small and sometimes inconspicuous, and lacking or inconspicuous presence of a third blotch on the caudal peduncle (vs. three dark mid-lateral blotches in L. cylindriformis, L. geminis, L. niceforoi; a single midlateral stripe that is sometimes fragmented or inconspicuous in L. brunneus; body with a single incomplete mid-lateral stripe running from the vertical through the dorsal-fin origin to the caudal peduncle in L. nigrotaeniatus; approximately six transversally elongate midlateral blotches in L. pitingai; or a single midlateral stripe in L. unitaeniatus) . It is distinguished from L. amazonicus by having more than one dark midlateral blotch (vs. a single dark midlateral blotch posterior to opercle), 42 to 45 lateral line scales ( vs. 45 to 47); and three large transversal dark bars in front of the dorsal-fin origin in specimens measuring approximately 6 cm SL (vs. five or seven thin transversal bars) (Ref. 96869).
Body shape (shape guide): elongated.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Distinct pairs breed on densely grown weedy places (Ref. 205).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Distinct pairs breed on densely grown weedy places (Ref. 205).

Hoofdreferentie Upload uw referenties | Referenties | Coördinator : Garavello, Júlio | Medewerkers

Garavello, J.C., H.A. Britski and J.L.O. Birindelli, 2014. Redescription of Leporinus jamesi (Characiformes: Anostomidae), a poorly known species of Leporinus from the lowlands of the central Amazon, Brazil. Neotrop. Ichthyol. 12(2):317-326. (Ref. 96869)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Niet bedreigd (LC) ; Date assessed: 23 June 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01122 (0.00523 - 0.02406), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278)
2.5   ±0.1 se; based on size and trophs of closest relatives
Weerstandsvermogen
(Ref. 120179)
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij
(Ref. 59153)
Low to moderate vulnerability (27 of 100). 🛈