Astyanax

Texas-Panama. Length – up to 9 cm. the Body is high, compressed from the sides. The color is silver, with a brass sheen. The top is olive, in the back half of the body there is a dark stripe. The fins are reddish.

In the caves of San Luis Potosi (Mexico), this species forms a blind race. In blind fish, the eyes are covered with growths. The skin is devoid of pigmentation, pink, colorless fins. Females are fuller. Despite their blindness, fish are very mobile and playful. Obstacles and they find food through the organs of the lateral line and sense of Smell.

It is best to keep blind fish separately in species elongated aquariums without plants with stones that do not have sharp edges, at a temperature of 18-24 °C. water of medium hardness. Continue reading →