Classificazione / Nomi
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Stichonodontinae
Etymology: guaruba: Name 'guaruba' from the popular Brazilian popular name for Guaruba guarouba Gmelin 1788, in allusion to the yellow present on all fins of the new species similar to Guaruba. A noun in apposition.
Eponymy: Dr William J Moenkhaus (1871–1947) was an American geneticist and ichthyologist who became Professor of Physiology at Indiana University Medical School (1904–1941), where he was Eigenmann’s colleague. [...] (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce benthopelagico. Tropical
South America: Brazil.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 9.7 cm SL maschio/sesso non determinato; (Ref. 138177)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Raggi dorsali molli (totale) : 8 - 10; Raggi anali molli: 21 - 25. This species is distinguished from its congeners by the following set of characters: number of scales in the longitudinal series 43-46; branched anal-fin rays 21-25, modal 23; complete and regularly arranged series of predorsal scales; single, vertically elongated and relatively wide humeral blotch; conspicuous, rounded, and symmetrical dark blotch located at the posterior limit of the caudal peduncle and base of caudal fin rays; and a thin longitudinal line formed by dark pigmentation running along horizontal septum of body (Ref. 138177).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Lima, A.D., G. Vita, G.M. Dutra, W.M. Ohara and M.N.L. Pastana, 2023. A new Moenkhausia (Characiformes: Characidae) from rio Braço Norte, rio
Tapajós basin, with comments on the fish endemism of Serra do Cachimbo plateau. Zootaxa 5330(4):586-596. (Ref. 138177)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di potenziale interesse
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00552 - 0.03150), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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