Classificatie / Namen
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Siluriformes (Catfishes) >
Callichthyidae (Callichthyid armored catfishes) > Corydoradinae
Etymology: Brochis: Greek, brogchia, -as = throat, trachea (Ref. 45335); costai: Named after Wilson Costa, who first collected and identified the species as new, in 1999.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal. Tropical
South America: Brazil.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 4.5 cm SL mannelijk / geslacht onbekend; (Ref. 137524)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
This species is distinguished by the following characters: presence of series of large irregular dark brown blotches on dorsal and lateral surfaces of body from anteriormost lateral plates to caudal peduncle; five well delimited large dark brown blotches from the caudal fin base to the posterior margin of opercle, along the junction of dorsal and ventral plates on the midline of body, and lower region of cleithrum dark ; parapophyses of fourth free vertebra reduced and separated from each other, not fused into a haemal arch; 5 pairs of ribs; odontodes present on infraorbitals and opercle; nuchal plate not in contact with supraoccipital plate; first haemal arch present on sixth free vertebra, precaudal vertebra 7-9; non-segmented rays on A i; short head length 32.0-35.8 % mm SL, and head depth 90.7-96.6 % mm HL (Ref. 138431).
Body shape (shape guide): elongated; Cross section: angular.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Dias, A.C., L.F.C. Tencatt, F.F. Roxo, G.S.C. da Costa Silva, S.A. Santos, M.R. Britto, I. Taylor and C. Oliveira, 2024. Phylogenomic analyses in the complex Neotropical subfamily Corydoradinae (Siluriformes: Callichthyidae) with a new classification based on morphological and molecular data. Zool. J. Linn. Soc. 203(3):1-31. (Ref. 137524)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00287 - 0.01912), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.9 ±0.3 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 vulnerability (10 of 100).
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