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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.
The Greek scientific name Periophthalmus barbarus is named after the eyes that provide the Atlantic mudskipper with a wide field of vision. The Atlantic mudskipper is a member of the genus Periophthalmus, which includes oxudercine gobies that have one row of canine-like teeth. The Atlantic mudskipper can grow up to 16 cm (6.3 in) in body length.
The giant mudskipper is highly territorial and aggressive, which they express by mouth gaping, raising their fins, pigment darkening, and chasing. [1] Aside from fighting with their mouths, the giant mudskipper rarely interacts with others of its species and is a solitary animal. [24] A giant mudskipper swimming with its eyes above water.
Like other mudskippers, Boleophthalmus boddarti is capable of moving on land, and uses its pectoral and pelvic fins to move about on the surface of tidal flats in its native range at low tide. The fish is boldly patterned, with rows of blue spots along its flanks and cheeks, as well as dark bands running down its body. [5]
The Darwin's mudskipper has a body shape and dorsally pultruding eyes similar to other mudskippers. They have a maximum length of 4.6 cm. It has 5 – 7 dorsal spines, 10 – 12 dorsal rays, 1 anal spine, and 11 – 13 anal rays. Its greatest distinguishing characteristic from other mudskippers is its greatly reduced first dorsal fin in both sexes.
Mudskippers (Periophthalmus gracilis shown) are among the most land adapted of fish (excepting, from a cladistic perspective, tetrapods), and are able to spend days moving about out of water. Amphibious fish are fish that are able to leave water for extended periods of time. About 11 distantly related genera of fish are
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 .
This family has many species which occur in fresh water, and a number of species found on wet beaches and are able to live for a number of days out of water. The family includes the mudskippers, which include species that are able to move over land quite quickly. They have eyes located on the top of their heads on short stalks.