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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Geophaginae
Etymology: Apistogramma: Greek, apisto = uncertain + Greek, gramma = graphic signal (Ref. 45335); helkeri: Named after Oliver Helker, one of the collectors, who brought this species to the attention of the authors and provided several photos and the information on the collecting site.
Eponymy: Oliver Helker is a German aquarist, who caught the fish-keeping ‘bug’ when he was eight years old. [...] (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Tropical
South America: lower río Cuao (Orinoco drainage) in Venezuela.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 4.0 cm SL macho / no sexado; (Ref. 94599)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 14 - 15; Radios blandos dorsales (total) : 7; Espinas anales: 3; Radios blandos anales: 6.
Body shape (shape guide): fusiform / normal.
Collected from a black-water swamp. Occurs in association with other fish which include Nannostomus marginatus Eigenmann, 1909, N. trifasciatus Steindachner, 1876, Carnigiella strigata (Günther, 1864), the dwarf cichlids Laetacara fulvipinnis Staeck & Schindler, 2007 and Apistogramma uaupesi Kullander, 1980 (Ref. 94599).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Schindler, I. and W. Staeck, 2013. Description of Apistogramma helkeri sp. n., a new geophagine dwarf cichlid (Teleostei: Cichlidae) from the lower río Cuao (Orinoco drainage) in Venezuela. Vert. Zool. 63(3):301-306. (Ref. 94599)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
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=0.01820 (0.00834 - 0.03973), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.3 ±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). 🛈 |