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Siluriformes (Catfishes) >
Callichthyidae (Callichthyid armored catfishes) > Corydoradinae
Etymology: colossus: Name 'colossus from an Ancient Greek word 'kolossós', meaning 'large/giant statue', in allusion to the relatively large, robust, armored body of the new species. A noun in apposition.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce demersal. Tropical
South America: Brazil.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 4.8 cm SL macho / no sexado; (Ref. 137798)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 2; Radios blandos dorsales (total) : 8; Radios blandos anales: 6 - 7. This species is distinguished from its congeners by the following set of characters: ventral surface of trunk with small- to relatively large-sized coalescent platelets, forming a typical mosaic-like pattern; a large, arched dark brown or black patch present, extending from interopercle region to posterior process of parieto-supraoccipital, transversally crossing orbit and forming typical mask-like blotch; conspicuous dark markings on caudal fin absent; longitudinal rows of dark blotches on flanks absent; region of first dorsolateral body plate surrounding posterior process of parieto-supraoccipital clearly lighter than remaining portions of head, forming a V-shaped pattern in dorsal view; presenting anterior portion of dorsal fin with conspicuous concentration of dark brown or black chromatophores, forming a dark patch (Ref. 137798).
Body shape (shape guide): short and / or deep; Cross section: oval.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Tencatt, L.F.C., S. Grant and R.F. Bentley, 2023. A new color-changing species of Corydoras (Siluriformes: Callichthyidae)
from the rio Jutaí, Brazilian Amazon. Neotrop. Ichthyol. 21(4):e230105. (Ref. 137798)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02455 (0.00964 - 0.06248), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.0 ±0.4 se; based on size and trophs of closest relatives |
Resiliencia (Referencia 120179) |
Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.). |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |