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Anonymous
# # Snakehead fish (Channidae): This family of fish are obligate air breathers, breathing air using their suprabranchial organ, which is a primitive labyrinth organ. The Northern Snakehead has a limited capacity to wriggle over notbatrachus) of Southeast Asia, can "walk" on land by wriggling and using its pectoral fins, this allows it to move between the slow-moving, and often stagnant and temporary bodies of water in which it lives. Another amphibious species of this family is the Eel catfish (Channallabes apus), which lives in swamps in Africa, and known to hunt beetles on land.[2]
# Labyrinth fish (Anabantoidei). This suborder of fish also use also use a labyrinth organ to breathe air. Some species from this group can move on land. An amphibious fish from this family is the Climbing gourami, an African and Southeast Asian fish that is capable of moving from pool to pool over land by using its pectoral fins, caudal peduncle and gill covers as a means of locomotion. It is said that climbing gourami move at night in groups.
http://news.nationalgeographic.com/news/2002/07/0702_020702_snakehead.html
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