Issue
12S and 16S mitochondrial rRNA gene sequences used in molecular phylogenies by Montoya-Burgos et al. (1997: fig. 4; 1998: figs. 3 & 6; EMBL/GenBank Y08280; Y08328).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal. Subtropical; 25°C - 28°C (Ref. 13614)
South America: Xingu and Tocantins River basins in Brazil.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 19.5 cm TL macho/indeterminado; (Ref. 111518); peso máx. publicado: 153.67 g (Ref. 111518)
Facultative or obligate air-breathing (Ref. 126274); Inhabits clear running water, without a strong current to a depth of 3 meters during dry season. Prefers narrow cracks of submerged rocks, small passages between superimposed rocks, or lives below flat rocks on the bottom.
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Muller, S., L.H. Rapp Py-Daniel and J. Zuanon, 1994. Ancistrus ranunculus, a new species of loricariidae fish (Siluriformes: Loricariidae) from the Xingu and Tocantins rivers, Brazil. Ichthyol. Explor. Freshwat. 5(4):289-296. (Ref. 26707)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: sem interesse
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00858 - 0.02797), b=3.06 (2.91 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Resiliência (Ref.
120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).