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게톱치 Coreius heterodon (중국어 정보)
Subject: 게톱치 Coreius heterodon (중국어 정보)
20021023 Coreius heterodon.jpg
Resolution: 350x186 File Size: 14775 Bytes Upload Date: 2005:10:17 14:26:31

게톱치 Coreius heterodon (중국어 정보)


退???――??????

??????(Coreius heterodon)??????形目,???科,??????科,?????????。俗???:尖???、水密子、尖???棒、尖???水密子、退???、假肥???、麻花???、桔棒、竹???、???道士、?????????、金???。英文名:Brass gudgeon , Bronze gudgeon

?????????,前端???棒???,后端稍???扁。???小,???形;眼???小;口下位,???小呈???蹄形;?????????口???的7-9倍。下咽???末端稍呈??????;???1???,末端超???眼后???。胸???后伸不???腹???起点。???呈??????色,各?????????色。

??????栖息于江河流水???境的下???,??????于集群游???,通常一???群???由???十到???百?????????成。冬季至深水河槽或深潭的岩石???隙越冬。性成熟年??????2-3???,生殖期???4-6月,多在水流湍急的江段繁殖,受精卵???江水漂流???育,???卵量???2-20万粒。??????的???食强度???大,???管常充???食物。其食物???成主要???淡水???菜、???、螺???及?????????物等,其次是高等植物碎片和某些硅藻,???于???食性??????。其???苗和幼??????食其??????的???苗,性?????????,???家???苗的大???害之一。

??????多???于???江流域的干支流和有流水灌注的湖泊中;???水湖泊中??????少???。

???江中???一??????口??????(Coreius guichenoti)俗???:肥???,方???水密子,英文名:Largemouth bronze gudgeon 。其形?????????在于口??????,呈弧形;??????可???胸???基部。胸???后伸???超???腹???基部。?????????生活???性?????????相似,但分布主要在于???江上游,而中游???少。

???河???的北方??????(Coreius septentrionalis)俗???:???子???,尖嘴水密子,英文名:Northern bronze gudgeon 。???普通??????的?????????口??????,?????????口???的6倍以下;下咽???末端斜切。??????的生活???性???普通??????相似,但分布???限于???河。

??????生???迅速,在???江、???河的天然???量???高,一般??????重0.5-1公斤,最大者???3.5-4公斤。在???江上游、???水中游及???河流域的??????一??????量???其???富,???一重要????????????。??????肉??????嫩,味???美,??????富含脂肪,骨刺???少,因而列???上等???品。特???在???河流域,???子???久???盛名,???地??????一???珍???特??????品。??????每年???卵成群???入支流???食肥育,8-9月逐???回到干流或在支流??????越冬???所,此?????????最???肥???,???民常??????“退???”。

출처: 中???科???院???算机??????信息中心 http://www.kepu.net.cn

Coreius heterodon
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