Amaralia oviraptor

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Amaralia oviraptor Friel & Carvalho, 2016

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drawing shows typical species in Aspredinidae.

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> Siluriformes (Catfishes) > Aspredinidae (Banjo catfishes) > Aspredininae
Etymology: Amaralia: Because of Dr. Afranio de Amaral, name that was used by H.W. Fowler; personal communication of John Friell/Cornell University;  oviraptor: Derived from the Latin ovum (ovi), meaning egg; and raptor, meaning a robber or plunderer, commonly used term for a predator, in reference to the peculiar dietary preferences observed in this species. A noun in apposition..

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

; zoetwater demersaal. Tropical

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

South America: Paraná-Paraguay River system; throughout the Paraguay River Basin in Brazil, Paraguay and northern Argentina; and Paraná drainage in Argentina and Brazil.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 12.3 cm SL mannelijk/geslacht niet bekend; (Ref. 111083)

Korte beschrijving Morfologie | Morfometrie

Dorsale zachte stralen (totaal): 3; Anale zachte stralen: 5 - 6; Wervels: 29 - 31. Amaralia oviraptor differs from its only congener, A. hypsiura, by having more dorsal-fin rays (3 vs. 2); by having a lateral contact between middle and posterior nuchal plates (vs. middle and posterior nuchal plates not contacting each other laterally); by having feeble serrations along the distal portion of the anterior margin of pectoral-fin spine (vs. absence of serrations along the anterior margin); and by its longer cleithral process (17.4-19.5 % of SL, mean 18.2 % vs. 14.0-17.2 % of SL, mean=15.5 %) (Ref. 111083).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Feeds on both the eggs and developing embryos of other catfishes (Ref. 111083).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator : Friel, John P. | Medewerkers

Friel, J.P. and T.P. Carvalho, 2016. A new species of Amaralia Fowler (Siluriformes: Aspredinidae) from the Paraná-Paraguay river basin. Zootaxa 4088(4):531-546. (Ref. 111083)

Status op de Rode Lijst van het IUCN (Ref. 125652)

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

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00134 - 0.00780), b=3.03 (2.82 - 3.24), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .