Classification / Names
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Siluriformes (Catfishes) >
Auchenipteridae (Driftwood catfishes) > Centromochlinae
Etymology: Ferrarissoaresia: Named after C. Ferrarris and Soares; ferrarisi: Named for C. J. Ferraris Jr., for his numerous contributions to the systematics of Siluriformes, especially Auchenipteridae, including the first hypothesis recognizing Centromochlinae as sister to all other Auchenipteridae..
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce demersal; rango de profundidad 0 - 1 m (Ref. 104786). Tropical
Distribución
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South America: Rio das Balsas, Rio Tocantins basin in Brazil.
Tamaño / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.1 cm SL macho / no sexado; (Ref. 104786)
Short description
Morfología | Morfometría
Espinas dorsales (total): 2; Radios blandos dorsales (total): 5; Radios blandos anales: 10; Vértebra: 35. Centromochlus ferrarisi can be diagnosed from all species of Centromochlinae, with the exception of C. meridionalis by having dorsal and lateral surfaces of head and body darkly mottled with many small rounded blotches, blotches closely spaced, often coalescent and rather poorly delimited on a pale background (v. dorsolateral surfaces either uniformly dusky or dark, with pale blotches on a darker background, or with a few large dark
blotches or spots well spaced and well defined on a pale background). It can be distinguished from C. meridionalis by having the dorsal-fin spine with serrations anteriorly and smooth posteriorly (v. dorsal-fin spine smooth anteriorly and with serrations
posteriorly), seven branched anal-fin rays of mature males (v. six) and posterior nuchal
plate short, not extended anteroventrally (v. posterior nuchal plate with anteroventral
extension). It further differs from C. altae, C. existimatus, C. heckelii, C. meridionalis, C. perugiae, C. reticulatus and C. romani by possessing seven branched anal-fin rays (v. five or six); from C. macracanthus and C. schultzi by having short pectoral-fin spine, c. 15% of SL (v. long pectoral-fin spine, 25% of SL); from C. concolor and C. punctatus by its short posterior cleithral process, c. 5% of SL (v. c. 20% of SL); from C. altae, C. existimatus, C. heckelii and C. perugiae by the absence of the anterior nuchal plate (v. presence); from C. romani by having anterior margin of dorsal-fin spine with serrations (v. smooth); from C. simplex by having adipose fin well developed (v. minute) (Ref. 104786).
The type locality is a small headwater stream with width of 1-1.5 m, depth of 0.3-1.0 m, moderate current and bottom composed of sand-silt and pebbles in some stretches. Collected near submerged logs, and caught by overturning a log with the hand-net positioned immediately below. Occurs syntopically with Knodus cf. savannensis (Characidae), two species of Phenacorhamdia (Heptapteridae), and Melanorivulus cf. zygonectes (Rivulidae) (Ref. 114786).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Birindelli, J.L.O., L.M. Sarmento-Soares and F.C.T. Lima, 2015. A new species of Centromochlus (Siluriformes, Auchenipteridae, Centromochlinae) from the middle Rio Tocantins basin, Brazil. J. Fish Biol. 87(4):860-875. (Ref. 104786)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Más información
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
