Fish Gelodok, belodok, belodog or blodog (mudskipper) - Is a group of fish from several genera belonging to the tribe Oxudercinae.Ikan child-like fish jumping to the mainland, especially in muddy areas or shallow water around the mangroves when the water subsided.
Other names are tembakul, tempakul, timpakul or belacak (Malay), sea foam, lunjat and others. In English called the mudskipper, his habit of jumping around in the mud.
This fish is very distinctive look (very funny according klo ane). His eyes are raised above his head like a frog eye, face a low and flat, and back fins outstretched charming. Long round body like a torpedo, while the rounded tail fins, body length varies from a few centimeters to nearly 30 cm.
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Power to survive on the mainland is also supported by its ability to breathe through his skin, and mucous membranes lining the mouth and throat, which can only be accomplished in humid conditions. Therefore gelodok every moment have to dip into the water to wet her body.
Fish gelodok Periophthalmus koelreuteri every time can last up to 7-8 minutes on land, before going back into the water. In addition, gelodok also store large amounts of water in the gill cavity is enlarged, allowing the gills to always submerged and serves as the fish walk on land.
Living in tidal areas, usually gelodok dig a hole in the soft mud for its nest. This hole can be very deep and branching, containing water and a little air in certain rooms. When the tide rises, gelodok generally hide in these holes to avoid predatory fish coming.
The males have some sort of tool on sex copulation. After mating, the eggs of fish gelodok stored in that hole, and guarded by the female parent. The eggs were sticky and attached to the wall of mud. Gelodok Periophthalmodon schlosseri can spawn up to 70,000 items.
Gelodok preys on various animals, ranging from laundry crabs (Uca spp.), Shrimp, fish, shellfish, squid, up to ngangrang ants and flies. This fish is also thought to eat the little plants. While exploring the mainland, gelodok also frequently attack and drive out gelodok others, to defend its territory.
Spread and diverse types Gelodok Periophthalmus gracilis (from Malaysia to northern Australia) Fish gelodok only found in tropical beaches, and subtropical Indo-Pacific region to the Atlantic coast of Africa.
When this has been identified as many as 35 species of fish gelodok. Divided into three major groups, namely Boleophthalmus, Periophthalmus and Periophthalmodon. Some species such example is Pseudapocryptes elongatus, Periophthalmus gracilis, Periophthalmus novemradiatus, Periophthalmus barbarus, Periophthalmus argentilineatus and Periophthalmodon schlosseri.
Not much revealed the value of this fish. But this fish is among the most resistant to environmental degradation, and can still live in conditions that are "apprehensive" though. But in China and Japan, fish gelodok be fine dining, but also used as traditional medicine, primarily as a male power enhancers.
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