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Pangio kuhlii

Pangio kuhlii
Kuhli Loach
The Kuhli Loach (Pangio kuhlii) is a small eel-like freshwater fish belonging to the loach family (Cobitidae). It originates in Indonesia and the Malay Peninsula.This snake like creature is very slender and is noctournal.In an enclosed or shared habitat, the kuhli loach hides, and when startled, swims around very fast. The kuhli loach is an eel-shaped fish with slightly compressed sides, four pairs of barbels around the mouth, and very small fins. The dorsal fin starts behind the middle of the body, and the anal fin well behind this. The eyes are covered with a transparent skin. The body has 10 to 15 dark brown to black vertical bars, and the gaps between them are salmon pink to yellow with a light underside. When the fish is not actively breeding, distinctions between males and females are not readily apparent. However, close observation will reveal that males have more a muscular upper/dorsal cross-section and their pectoral fins tend to be larger, more paddle-shaped, and often have some pigment in them. When breeding, the females often become monstrously fat and their greenish ovaries can be seen through the skin before spawning. Spawning is not easy, but when it occurs a few hundred greenish eggs are laid among the roots of floating plants. Kuhli loaches reach maturity at 2 ¾ inches (7 cm) and have a maximum length of 4 inches (10 cm). The natural habitat of the kuhli loach is the sandy beds of slow-moving rivers and clean mountain streams. They are a social fish and are typically found in small clusters (they are not schooling fish but enjoy the company of their species), but are cautious and nocturnal by nature and swim near the bottom where they feed around obstacles.. Kuhli Loaches are scavengers, so they will eat anything that hits the bottom. Kuhli loaches usually feed in the night time, but can be taught to be fed in the day in the home aquarium. In the wild, the fish spawn communally in very shallow water. The kuhli loach is a bottom dweller that burrows into soft places. Its ordinal name 'Acanthophthalmus' comes from the meaning 'thorn' or 'prickle-eye', after a spine beneath each eye. The kuhli loach is commonly kept as a pet in tropical aquaria. There are a number of species of the genus Pangio that appear similar and are sold under the same name, require similar care, and are all excellently suited for household tanks. They tend to be hardy and long-lived in the aquarium and get along well with their own kind as well as others.
In an aquarium environment, especially if the gravel is suitably finely grained, Pangio species can burrow into the bottom and there remain unseen for long periods of time, emerging to eat during the night. If the gravel is later disturbed, a hobbyist might well find themselves faced with fish assumed lost a long time ago.
Breeding in captivity requires plenty of hiding spaces and consistent water quality