Corydora Metae o Corydora Bandido

Corydora-Metae

Nombre cientifico: Corydoras metae (Eigenmann, 1914)

Nombre común: “Corydoras bandido”, “coridora enmascarada”. (el nombre correcto no es “coridora”, sino Corydoras).

Primera importación en 1963.

Clasificación:
• Orden: Siluriformes.
• Familia: Callichthyidae. (Calíctidos).
• Subfamilia: Corydoradinae.

Biotopo:
Sudamérica.

Distribución:
Colombia. Cuenca del río Meta.

Forma:
Típica de los Corydoras. Los ejemplares sanos muestran unos barbillones largos y sin cortes.

Coloración:
Fondo blanco en los ejemplares jóvenes, que se oscurece hacia tonos ocres en los de más edad, con una línea interrumpida que parte de la base de la caudal y cruza en diagonal hacia la aleta dorsal, cuyas cuatro quintas partes son igualmente negras. Presenta otra banda vertical que le cruza a la altura del ojo y por la que recibe el apelativo de “enmascarada”.

A menudo se confunde a esta especie con Corydoras melini, de aspecto muy similiar pero que presenta la banda diagonal trasera sin interrupción y en posición ligeramente inferior (no coincide exactamente con el borde de la dorsal si se la mira de perfil). También es posible su confusión con Corydoras davidsandi, pero esta tiene un cuerpo ligeramente más alargado, una coloración de fondo más amarillo-dorada y la banda diagonal distintiva es más ancha, al igual que la que le cubre los ojos.

Tamaño:
Los machos 4 cm y las hembras 5 cm.

Diferencias sexuales:

Las hembras maduras son más voluminosas y alcanzan mayor tamaño.

Temperatura:

21º a 26º centígrados.

Agua:
Blanda o semiblanda. pH entre 6.0 y 7.5. GH entre 2ºd y 15ºd.

Acuario:
Recipientes con abundante vegetación y fondos arenosos o de grava suave.

Alimentación:
Omnívoro. Admite alimentos comerciales en forma de pastillas para peces de fondo.

Comportamiento:

Como todos los Corydoras, necesita vivir en grupos formados por, al menos, seis individuos. Pez pacífico compatible con otros peces amazónicos.

Reproducción:
La mayoría de los libros de acuariofilia insisten en que esta especie no se ha conseguido reproducir nunca en cautividad, lo que da idea de la dificultad. Sin embargo su reproducción, aunque puede que sea muy infrecuente, es posible y hay unos pocos casos documentados de cría en cautividad (Ian Fuller, Jim Makin y otros).
El desove se produce entre una hembra y dos o tres machos con las clásicas posturas en “T”. Como en otras especies de Corydoras se puede favorecer la puesta imitando la llegada de la estación lluviosa, es decir, haciendo cambios de agua frecuentes a una temperatura ligeramente inferior dejando que alcance de nuevo la temperatura normal de mantenimiento.
La hembra deposita cada vez sólo un huevo entre sus aletas pélvicas, que son fecundados por un macho en la postura en “T”. Los huevos, blancos de 2 mm son muy adhesivos y son adheridos debajo de las hojas o en las paredes del acuario en pequeños grupos o aislados. Las puestas son escasas, de no más de 20-30 huevos.
Tras la eclosión se alimenta a los alevines con infusorios, zooplancton y fitoplancton y posteriormente microgusanos y nauplios de artemia parecen ser lo más adecuado. Si se administran nauplios de artemia deben de ser enjuagados a conciencia en agua dulce para quitar la sal, a la que los alevines manifiestan gran intolerancia. Poco a poco se puede dar comida para alevines ovíparos y yema de huevo tamizada teniendo cuidado de mantener la higiene y no contaminar el agua.

DSC_8024

CORYDORAS AENEUS Bronze Corydoras.

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