Scientific name: ichthyoxenus japonensis
Alias: strange fish, carp blame
Taxonomic status: Crustacea Isopoda chickened water lice Division
Shape characteristics
Fish strange body separately, chest, abdomen three parts. Head small, triangular, deep in the chest, there are two sides of the back of the eye abdomen, chest and uplift, abdominal six of seven composed lenient. Male long oval, symmetrical body length of 11 to 16 mm, width of 6 to 8 mm. Female body shape than the narrow, usually bilaterally symmetrical. Than the elongated jaw foot female body. Second thoracic limb to limb within a rod-like protrusions, is the transfer of organs. Females compared to males over large a body double, was cream-colored, often to the left or right twist, when gravid, was bulky spherical.
Lifestyle
Japan strange fish parasites in freshwater body, the larvae from the pectoral fin base period pierced into the body cavity of the host fish. After stimulation of the host by the strange fish, secreted in the body cavity to form the front pocket of a transparent film that parasites and separated from the body cavity. Bag wrapped in a female and one male, long-life account. Strange fish in the bag's position within the head-tail outward. Sac near the tail section of the hole to facilitate breathing. After a long, due to the increasing body can no longer original holes drilled in vitro. Most fish have one large and one small, two pairs of male and female children parasitism, there is only one female parasitic strange situation there are two pairs of individual three or parasitic.
Distribution and Damage
In China the Yangtze River, the Yellow River, Beijing and Tianjin, Yunnan, Taiwan's freshwater fish were found in the strange, strange fish in Yunnan most serious damage. Fish fish suffering from abnormal growth retardation, frail and lose reproductive capacity.
Edible and medicinal
Although this worm looks indecent, but edible, said to taste more delicious than the fish, and possessed medical value. Whichever powder dry goods, treat vomiting, diarrhea, stomach pain, gas pain, cancer and other illnesses. Daoguang reign "Baoqing house" records: "Chang battalion Longtan, lake fish, a fish turtles, fish taken from a cross-sectional, storage of water, can also live an old saying:. Drying into powder and wine clothes, can cure disease vomit ...... "refers to the parasite.
Isopod chickened a water lice Division. Aka carp blame. Freshwater fish parasites in the body. Females often asymmetrical sides of the body. The first section of small, oval or diamond-shaped cross was there one pair of compound eyes. Ventral thorax scaly cover plate 4 pairs of eggs constitute fertile egg chamber, abdomen 5. Tail section large semicircle. Males than females narrow shape, usually bilaterally symmetrical. Fish strange milky white, body back across the melanin point. Parasitic on carp and crucian carp chest, the larval period from the pectoral fin base perforation into the body cavity of the host fish. Suffering from strange diseases of carp and crucian carp fish growth retardation, frail and lose reproductive capacity.
Fish blame the female body
Strange fish in Yunnan, China the most serious damage. But strange fish can get into medicine, there Jiangni, Gloomy, detoxification, pain relief functions. |
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