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Mudskippers are found in mangrove swamps in Africa and the Indo-Pacific; they frequently come onto land, and can survive in air for up to 3-1/2 days. [5] Mudskippers breathe through their skin and through the lining of the mouth (the mucosa) and throat (the pharynx). This requires the mudskipper to be wet, limiting them to humid habitats.
Mudskippers can grow up to 30 cm (12 in) long, and most are a brownish green colour that ranges anywhere from dark to light. During mating seasons, the males will also develop brightly coloured spots in order to attract females, which can be red, green or blue. Unlike other fish, the mudskipper's eyes protrude from the top of its flat head.
Like other mudskippers, the giant mudskipper can breathe air. To do so, it will gulp air, which allows oxygen to easily diffuse into its bloodstream because of its highly vascularized buccal surfaces. While gulping air, it may also move its operculum while submerged to trap water within the gills. [17]
It also has an "accessory air-breathing organ" on its dorsal area, allowing it to live on dry land for up to six days. They are even thought to hibernate in mud and wait for water to return.
The Atlantic mudskipper can grow up to 25 cm (9.8 in) in body length. Similar to other members of the genus, it has dorsally positioned eyes and pectoral fins that aid in locomotion on land and in water. Atlantic mudskippers can skip, crawl, and climb on land using their pelvic and pectoral fins.
Boleophthalmus pectinirostris, commonly known as the great blue spotted mudskipper, is a species of mudskipper native to the north-western Pacific Ocean. It can be found on the coastlines of Japan , eastern China , Sumatra , Malaysia , Taiwan and the Korean Peninsula .
Periophthalmus gracilis, a species of mudskipper, perched on land. Mudskippers are one type of walking fish. A walking fish, or ambulatory fish, is a fish that is able to travel over land for extended periods of time. Some other modes of non-standard fish locomotion include "walking" along the sea floor, for example, in handfish or frogfish.
The common mudskipper (Periophthalmus kalolo) is a species of mudskipper native to marine and brackish waters of the Indo-Pacific from eastern Africa to Samoa. This species can be found in mangrove forests where it spends most of its time out of the water. This species can reach a length of 14.1 centimetres (5.6 in) SL. [1]