✔ 最佳答案
海星外表型態特徵 :
海星綱,管足吸盤海星類身體成五角形或扁平的星狀,由數隻輻射狀的腕足聯結一個不很明顯的體盤構成。大部份的海星都是五隻腕足,但某些種類則可多達數十隻。口位於體盤的腹面,腕足中央各有一道步帶,由步帶中可伸出管足,是牠們最主要的運動及攝食構造,大多數種類管足末端有發達的吸盤。
生態習性 : 海星綱的胃可外翻至體外消化食物,有的種類肉食性,以捕食軟體動物、海葵、珊餬,甚至其他海星為食,有的則以底藻為食物。某些海星具有驚人的再生能力,不僅能再生斷掉的腕足,甚至能由斷下的腕足再生成一隻完整的新個體。
海星生態環境 : 臺灣附近海域的海星,在潮間帶及淺水海域常見的種類有藍指海星、多篩指海星、花冠海燕、呂宋棘海星、尖棘篩海盤車、擬淺盤海燕以及飛白楓海星等,另外在珊瑚礁潛水時則偶而可見到棘冠海星、麵包海星以及棘疣海星。淺海沙地上拖獲的海星主要為槭海星及砂海星較多,偶可捕得蛇海星類。較深海域的海星主要以瘤海星及角海星類為主,常見的種類包括中華五角海星、顆粒花海星、光滑花海星、窄花海星等,其中光滑花海星在水深200~300公尺左右似乎極為普遍,經常在底拖漁獲中大量出現。顆粒花海星體型較大, 也是經常出現之種類。
Sunstar semblance state characteristic:
The asteroidea, the ambulacral foot sucker sunstar class body becomes the pentagon or flat astroid, joins a not very obvious body disc constitution by several radiating's arms. The major part sunstar is five arms, but certain types may reach dozens of much. The mouth located at body disc's thoracic and abdominal area, the arm central has together the ambulacrum respectively, may stretch out the ambulacral foot by the ambulacrum, is they most main movement and takes in food the structure, the majority type ambulacral foot terminal has the developed sucker.
Ecology habit: The asteroidea stomach may the eversion to external digestion food, some type sarcophagy, prey on the mollusk, the sea anemone, Shan 餬, even other sunstars are the food, some take the bottom algae as foods. Certain sunstars have the astonishing reproductive property, not can only regenerate the arm which is cut off, even can by the arm which breaks regenerate a complete new individual.
Sunstar ecological environment: Taiwan nearby sea area's sunstar, has in tidal zone and the shallow water sea area common type refers to the sunstar, to sieve blue refers to the sunstar, the corolla petrel, the Luzon thorn sunstar, the sharp thorn to egg on the jigger, to plan the tray petrel as well as the hollow-stroke in Chinese calligraphy maple tree sea magnitude, moreover in coral reef diving time by chance may see the thorn crown sunstar, the bread sunstar as well as the thorn wart sunstar. On the epicontinental sea sand tows the sunstar which attains mainly for qi the sunstar and the granulated substance sunstar are many, occasionally may catch the snake sunstar class. Deep sea area sunstar mainly by lump sunstar and angle sunstar class primarily, common type including the Chinese five jiao sunstars, pellet flower sunstars, smooth flowered sunstar, narrow Huahai magnitude, the smooth flowered sunstar is as if extremely common about the water depth 200~300 meters, in the undertow fishing attains the massive appearances frequently. The pellet Huahai photostar is big, also presents the type frequently.
2007-11-25 18:54:42 補充:
中英對照,容易D明!!!