>
Gymnotiformes (Knifefishes) >
Rhamphichthyidae (Sand knifefishes)
Etymology: Rhamphichthys: Greek, rhamphos = bill, peak + Greek, ichthys = fish (Ref. 45335); heleios: The specific name heleios from the Greek meaning ‘‘dwelling in the marsh,’’ refers to the floodplain
habitats where this species has been collected.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce demersal. Tropical
South America: Solimões and Amazon rivers in Brazil upstream of the mouth of the Madeira River; also from a single locality in the Guaporé River in Brazil.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 40.0 cm SL macho / no sexado; (Ref. 99943)
Descripción breve
Claves de identificación | Morfología | Morfometría
Occurs mostly in floodplains of large rivers, where it is frequently collected together with Rhamphichthys drepanium and R. marmoratus.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Carvalho, T.P. and J.S. Albert, 2015. A new species of Rhamphichthys (Gymnotiformes: Rhamphichthyidae) from the Amazon basin. Copeia 103(1):34-41. (Ref. 99943)
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 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00083 (0.00032 - 0.00214), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Vulnerabilidad pesquera (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |