Anguila picuda ó Morena Picuda


Nombre Científico: Rhamphichthys rostratus (Linnaeus, 1766)

Nombre común: Anguila picuda – Morena Picuda


• Orden: Gymnotiformes.

• Familia: Rhamphichthyidae.


Habitan preferentemente aguas profundas de grandes ríos, pero pueden ser encontrarlos en ríos tributarios y lagunas marginales. Durante el día permanecen casi inmóviles en el fondo, parcialmente enterrados y de lado.


Se encuentra restringida a la cuenca del Orinoco en Venezuela, pero se extiende en Suramérica hasta Argentina. Esta especie pertenece al grupo de peces cuchillo, eléctricos, ya que emite descargas de baja-media intensidad que le sirven para orientarse y detectar sus presas.


Posee un cuerpo alargado, comprimido lateralmente, cabeza pequeña hocico tubular recto con boca pequeña y no posee dientes.


Color del cuerpo marrón con manchas marrón oscuro a rojizas, irregulares. Aleta anal blanca con manchas marrones irregulares, con cerca de 400 radios y comienza antes de el origen de las aletas pectorales, las cuales del color del cuerpo y con las manchas oscuras mas concentradas.


Esta especie alcanza un tamaño de hasta 90 cm de longitud total.

Diferencias sexuales:

No presenta dimorfismo sexual apreciable.


23-26º C.


pH 6,8-7 ; dureza hasta 8 dH.


Aunque es un pez pacifico y de hábitos nocturnos, no es bueno tenerlos con peces pequeños, ya que pueden llegar a ser parte de su dieta. Debido al gran tamaño que alcanza, solo son recomendables para acuarios muy grandes, de más de 400 litros. El acuario deben de estar bien plantado y debe tener suficientes troncos y rocas para esconderse.


Se alimentan de invertebrados acuáticos, peces pequeños e insectos.


Es un pez que habita en la zona baja del acuario, en el acuario se oculta entre piedras del fondo, troncos o raíces. Sus impulsos eléctricos no parecen dañar a otros peces, aunque podría estresar a algunos peces tranquilos.


No está clara su reproducción pero algunos autores señalan que se reproduce durante el período de lluvias.

cuchillo ossas 2 cuchillo ossas


276 Respuestas a Anguila picuda ó Morena Picuda

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