到农贸市场去买菜,常见有些小贩在卖“龙虾”。这种“龙虾”,头胸部较长,呈长卵园形,前三对步足都有螯,第一对特别发达,同蟹的螯一样。它的价格比河虾便宜得多,常常500克只要七、八元钱,因此买者众多。有的居民因其价值便宜,而味道还鲜,因此常吃不断。 其实,这“龙虾”不是那龙虾。它属甲壳纲河虾科,真名叫“蜊蛄”。而真正的龙虾,体长30厘米以上,栖息在海底岩礁缝隙之中,大型的个体可达数公斤重,属甲壳纲龙虾科,两者同纲而不同科,且属河海有别。 被市民们称之为“龙虾”的蜊 To the farmers market to buy food, some vendors are selling “lobster”. This “lobster”, head and chest longer, was long egg-shaped park, the first three pairs of foot have chelation, the first pair of particularly developed, with the same crab chela. Its price is much cheaper than shrimp, often 500 grams as long as seven or eight dollars, so many buyers. Some residents eat constantly because of their cheapness and taste. In fact, this “lobster” is not that lobster. It is a crustacean shrimp Division, the real name is “clam 蛄.” The real lobster, body length of 30 cm or more, inhabit the seabed rocky crevices among large individuals up to several kilograms of weight, is a crustacean lobster family, both with the same section and different sections, and are different. What citizens call “lobster” clams