Notopterus notopterus (Tout)

Fish described by Pallas in 1780 the anal fin is long and allows the fish, by a wave movement, to move both in front. The anus is placed far forward. The dorsal fin, when it is not absent, has the shape of a small flag. The ventral fins are very small or absent. The caudal fin is connected to the anal fin. The scales are small. These fish have a particularly developed gaseous bladder that works like a lung.

The Notopterus Notopterus, also known as thorny fish or tail fish, is a species of freshwater fish from South Asia. It belongs to the Notopteridae family and is often found in the rivers and lakes in the region.

The Notopterus Notopterus has an elongated and flattened shape, with a slim and slender body. Its head is wide and flat, with round and prominent eyes and a mouth -shaped mouth. Its most striking characteristic is the presence of long bone thorns along its spine, as well as on its dorsal and pelvic fins. These thorns give him an bristling aspect and protect him from predators.

The Notopterus Notopterus has a dark gray-green color on the top, which melts in a creamy white on the belly. Its caudal fin is white with irregular black bands along the base. The color of its thorns varies from white to dark gray.

In terms of size, the Notopterus Notopterus can reach up to 60 centimeters in length, although most specimens do not exceed 30 centimeters. It weighs approximately 1.5 kilogram.

The Notopterus Notopterus is an omnivorous fish that feeds on various prey, including insects, crustaceans, molluscs and smaller fish. It can also feed on herbs and algae, depending on the availability of food in its habitat.

The Notopterus Notopterus is a lonely fish that prefers to live alone in hidden and calm places, such as dense vegetation areas or underwater caves. It is active mainly at night and spends the hidden day.

The Notopterus Notopterus reproduces during rainy times, when the waters of rivers and lakes swell. The female can lay up to 20,000 eggs, which are then fertilized by the male. The eggs hatch approximately 48 hours later, and the fry develop quickly by taking smaller prey to feed.

In general, the Notopterus Notopterus is a common and abundant species in Southern Asia, although it can be threatened by the destruction of its natural habitat, water pollution and overfishing.

Nonexistent. Female usually larger.

The fish are sexually ripe when they reach 30cm. The Frai is at night. Egg 3 to 4mm in diameter. Incubation of 5 to 11 days according to eggs according to the Japanese farmer K. Yasuschiho. The frys are fed by artemias or cyclops.