One kind of habitat in coastal sediment of the Hairy-footed bug. Significant body section, body section protrudes from both sides of the parapodia with setae. Reproductive season or out at night searching for food, able to swim. Available for fish and other animals, crabs ﹑ ﹑ shrimp bait.
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shā cán
沙蚕 shā cán
Any marine worm Nereis is
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No. 3
Division of worms Nereis
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No. 4
沙蚕
Latin: nereis succinea English: common clam worm Nereis in the intertidal zone is very customary, also found in deep sea, the rocky rocks, the stones, the Cong between algae and the coral reefs or soft sediment are the dominant invertebrates. In addition to living in fresh or brackish water in Japan and a few other species of Nereis thorn in the reproductive morphology of little before, the majority of species of Nereis families occurred before the reproductive obvious morphological changes, said the body of different Nereis, some sexual section appears in the back of the body, so that larvae showed two different body areas; some, such as big eyes and Nereis, and the rustling of silk and other sexual body section occurs only in the middle of the front of the asexual parasites present section, the central sexual section, rear section of three distinct asexual body area. The main body of different changes in Nereis: oral tentacles and the tentacles shorten the anterior lobe, and a larger crystal eyes, warts foot section is only in the asexual dorsal and ventral to be enlarged, except in the sex section of dorsal and ventral base to be enlarged, the and the emergence of additional leaf-like protuberances, bristle-like leaves into a wide flat blade or fan, swimming _set_ae are gradually replaced by paddle-shaped bristles. Back to be a male dentate papillae, anal festival the feeling of specialized papillae grow. Internal changes include muscle breakdown and reorganization, the digestive tract from the melt, the product of the body cavity filled with reproduction, resulting in parasite changes (white male and female blue-green), which are conducive to reproductive Nereis transferred by the benthic pelagic. Due to environmental (temperature, moon, etc.) the impact of sexual maturation of female and male Nereis individual has left the habitat, since floating on the sea ejaculation release eggs. Females than males around the rotary motion, this reproduction is called marriage dance. After the wedding dance, mostly female and male die sinking in the sea. China found the body of Nereis Nereis with different 35 kinds. Nereis more complex development, the fertilized egg through the spiral cleavage, trochophore larvae, after trochophore, warts foot larvae, nauplii, etc. just to develop into the adult period.
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No. 5
Clam worm Latin: Nereis succinea English: Common clam worm; rag worm Also for (clam worm). Nereis in the intertidal zone is very customary, also found in deep sea, the rocky rocks, the stones, the Cong between algae and the coral reefs or soft sediment are the dominant invertebrates. In addition to living in fresh or brackish water in Japan and a few other species of Nereis thorn in the reproductive morphology of little before, the majority of species of Nereis families occurred before the reproductive obvious morphological changes, said the body of different Nereis, some sexual section appears in the back of the body, so that larvae showed two different body areas; some, such as big eyes and Nereis, and the rustling of silk and other sexual body section occurs only in the middle of the front of the asexual parasites present section, the central sexual section, rear section of three distinct asexual body area. The main body of different changes in Nereis: oral tentacles and the tentacles shorten the anterior lobe, and a larger crystal eyes, warts foot section is only in the asexual dorsal and ventral to be enlarged, except in the sex section of dorsal and ventral base to be enlarged, the and the emergence of additional leaf-like protuberances, bristle-like leaves into a wide flat blade or fan, swimming _set_ae are gradually replaced by paddle-shaped bristles. Back to be a male dentate papillae, anal festival the feeling of specialized papillae grow. Internal changes include muscle breakdown and reorganization, the digestive tract from the melt, the product of the body cavity filled with reproduction, resulting in parasite changes (white male and female blue-green), which are conducive to reproductive Nereis transferred by the benthic pelagic. Due to environmental (temperature, moon, etc.) the impact of sexual maturation of female and male Nereis individual has left the habitat, since floating on the sea ejaculation release eggs. Females than males around the rotary motion, this reproduction is called marriage dance. After the wedding dance, mostly female and male die sinking in the sea. China found the body of Nereis Nereis with different 35 kinds. Nereis more complex development, the fertilized egg through the spiral cleavage, trochophore larvae, after trochophore, warts foot larvae, nauplii, etc. just to develop into the adult period.
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English Expression
: lugworm, clam warm
n.: lobworm, nereid, ragworm, nereides, sand boy worm
