芒果视频下载

基本介紹

（學名：Rhodeus lighti）為鯉科(ke)鳑鲏屬(shu)的(de)魚類，是中國的(de)特有物種。分布于(yu)福(fu)建(jian)、廣東直至黑龍(long)江流(liu)域等。該物種的(de)模式(shi)產地(di)在南京(jing)。

生長與分布

國內分布福(fu)建，廣(guang)東(dong)直至黑龍江流(liu)域

國外分布

形態及特征

基本特征

體扁薄(bo)而(er)高，外形(xing)(xing)呈卵(luan)圓形(xing)(xing)。第3眶下骨似(si)倒置三(san)角形(xing)(xing)，其最高處(chu)相當于眼內緣的長度。口角無(wu)須(xu)。側線不完全，側線鱗3—6枚。縱列鱗31—34枚。背鰭(qi)基(ji)底短于背鰭(qi)基(ji)部末端(duan)至尾鰭(qi)基(ji)部的距(ju)離(li);胸鰭(qi)末端(duan)后伸(shen)不達腹鰭(qi)起點(dian);臀鰭(qi)具8—11根(gen)分枝鰭(qi)條。體長60mm。棲息于水(shui)(shui)(shui)流緩慢、水(shui)(shui)(shui)草生長茂盛的水(shui)(shui)(shui)灣或池塘、溪流中(zhong)。常群集，以水(shui)(shui)(shui)草、附著藻類、水(shui)(shui)(shui)生昆蟲和枝角類為(wei)食。4—6月(yue)進行繁殖，5月(yue)為(wei)產(chan)卵(luan)旺季。卵(luan)呈橢圓形(xing)(xing)。繁殖期間雌魚具產(chan)卵(luan)管，將卵(luan)產(chan)于蚌類的外套腔中(zhong);雄魚具鮮艷(yan)的婚姻色(se)彩，其吻(wen)部具珠星(xing)。廣布于除青(qing)藏高原外的我(wo)國(guo)(guo)各(ge)地;國(guo)(guo)外見于朝(chao)鮮。

識別特征

標準長(chang)(chang)(chang)(chang)(chang)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)體(ti)(ti)(ti)高(gao)(gao)的(de)(de)(de)(de)1.9—2.5倍(bei)(bei)(bei)，為(wei)(wei)(wei)(wei)(wei)(wei)(wei)頭(tou)長(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)4.0-4.5倍(bei)(bei)(bei)，為(wei)(wei)(wei)(wei)(wei)(wei)(wei)尾(wei)(wei)(wei)(wei)(wei)柄(bing)(bing)(bing)長(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)4.0—7.0倍(bei)(bei)(bei)，為(wei)(wei)(wei)(wei)(wei)(wei)(wei)尾(wei)(wei)(wei)(wei)(wei)柄(bing)(bing)(bing)高(gao)(gao)的(de)(de)(de)(de)4.8—7.0倍(bei)(bei)(bei)，為(wei)(wei)(wei)(wei)(wei)(wei)(wei)背(bei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)基部(bu)(bu)長(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)3.5—3.8倍(bei)(bei)(bei)。頭(tou)長(chang)(chang)(chang)(chang)(chang)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)吻長(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)3.0—3.5倍(bei)(bei)(bei)，為(wei)(wei)(wei)(wei)(wei)(wei)(wei)眼(yan)(yan)徑的(de)(de)(de)(de)3.1—3.5倍(bei)(bei)(bei).為(wei)(wei)(wei)(wei)(wei)(wei)(wei)眼(yan)(yan)間距的(de)(de)(de)(de)2.2—2.7倍(bei)(bei)(bei)。為(wei)(wei)(wei)(wei)(wei)(wei)(wei)尾(wei)(wei)(wei)(wei)(wei)柄(bing)(bing)(bing)長(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)1.6-1.8倍(bei)(bei)(bei)，為(wei)(wei)(wei)(wei)(wei)(wei)(wei)尾(wei)(wei)(wei)(wei)(wei)柄(bing)(bing)(bing)高(gao)(gao)的(de)(de)(de)(de)1.0--1.1倍(bei)(bei)(bei)。尾(wei)(wei)(wei)(wei)(wei)柄(bing)(bing)(bing)長(chang)(chang)(chang)(chang)(chang)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)尾(wei)(wei)(wei)(wei)(wei)柄(bing)(bing)(bing)高(gao)(gao)的(de)(de)(de)(de)1.2—1.5倍(bei)(bei)(bei)。體(ti)(ti)(ti)高(gao)(gao)而(er)(er)側(ce)扁，體(ti)(ti)(ti)稍肥(fei)厚，頭(tou)后(hou)(hou)(hou)背(bei)部(bu)(bu)隆起(qi)(qi)(qi)(qi)，腹(fu)部(bu)(bu)較(jiao)(jiao)圓，身體(ti)(ti)(ti)外(wai)形呈(cheng)卵(luan)圓形，與高(gao)(gao)體(ti)(ti)(ti)鳑(pang)鮍很(hen)相(xiang)似。頭(tou)較(jiao)(jiao)小(xiao)而(er)(er)短(duan)，眼(yan)(yan)后(hou)(hou)(hou)頭(tou)長(chang)(chang)(chang)(chang)(chang)較(jiao)(jiao)吻長(chang)(chang)(chang)(chang)(chang)，約為(wei)(wei)(wei)(wei)(wei)(wei)(wei)吻長(chang)(chang)(chang)(chang)(chang)的(de)(de)(de)(de)1.5-l.7倍(bei)(bei)(bei)。吻短(duan)而(er)(er)尖(jian)。口(kou)端位(wei)。口(kou)角無須。眼(yan)(yan)較(jiao)(jiao)大(da)(da)，位(wei)于(yu)體(ti)(ti)(ti)側(ce)中(zhong)線偏上(shang)方(fang)。眼(yan)(yan)徑與吻長(chang)(chang)(chang)(chang)(chang)相(xiang)當。鼻孔位(wei)于(yu)眼(yan)(yan)前(qian)(qian)緣上(shang)方(fang)，離眼(yan)(yan)前(qian)(qian)緣較(jiao)(jiao)近。鰓耙短(duan)小(xiao)，排列(lie)較(jiao)(jiao)密。下(xia)咽齒側(ce)扁。齒面具有(you)(you)(you)(you)明顯(xian)的(de)(de)(de)(de)鋸紋(wen)，尖(jian)端呈(cheng)鉤狀。背(bei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)外(wai)緣略(lve)向外(wai)凸起(qi)(qi)(qi)(qi)呈(cheng)弧形，無硬刺，其(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)距吻端較(jiao)(jiao)距尾(wei)(wei)(wei)(wei)(wei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)基最后(hou)(hou)(hou)一(yi)(yi)片鱗片稍遠。胸(xiong)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)較(jiao)(jiao)長(chang)(chang)(chang)(chang)(chang)，末端后(hou)(hou)(hou)伸(shen)接近腹(fu)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)。腹(fu)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)在背(bei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)之前(qian)(qian)，后(hou)(hou)(hou)伸(shen)更接近臀(tun)(tun)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)，至(zhi)(zhi)胸(xiong)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)較(jiao)(jiao)至(zhi)(zhi)臀(tun)(tun)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)遠。臀(tun)(tun)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)無硬刺，其(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)位(wei)于(yu)背(bei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)第(di)三根分(fen)枝(zhi)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)條(tiao)正(zheng)下(xia)方(fang)。尾(wei)(wei)(wei)(wei)(wei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)深叉(cha)形。尾(wei)(wei)(wei)(wei)(wei)柄(bing)(bing)(bing)較(jiao)(jiao)高(gao)(gao)且稍長(chang)(chang)(chang)(chang)(chang)。肛門略(lve)靠近腹(fu)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)，至(zhi)(zhi)腹(fu)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)基部(bu)(bu)的(de)(de)(de)(de)距離較(jiao)(jiao)至(zhi)(zhi)臀(tun)(tun)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)近。雌魚有(you)(you)(you)(you)產卵(luan)管。生殖季(ji)節(jie)變長(chang)(chang)(chang)(chang)(chang)。鱗片較(jiao)(jiao)大(da)(da)，腹(fu)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)基部(bu)(bu)具有(you)(you)(you)(you)腋(ye)鱗。側(ce)線不完(wan)全.僅在鰓孔上(shang)角后(hou)(hou)(hou)方(fang)有(you)(you)(you)(you)3—6片。生殖季(ji)節(jie)雄(xiong)魚吻端具有(you)(you)(you)(you)兩(liang)簇白色(se)珠星，隆起(qi)(qi)(qi)(qi)較(jiao)(jiao)高(gao)(gao)，臀(tun)(tun)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)邊緣有(you)(you)(you)(you)較(jiao)(jiao)寬的(de)(de)(de)(de)黑(hei)色(se)飾邊，在最末一(yi)(yi)個(ge)側(ce)線鱗處有(you)(you)(you)(you)一(yi)(yi)條(tiao)不十(shi)分(fen)明顯(xian)的(de)(de)(de)(de)淡綠色(se)橫斑(ban)。生活時體(ti)(ti)(ti)色(se)鮮艷，雄(xiong)魚體(ti)(ti)(ti)色(se)較(jiao)(jiao)艷麗，眼(yan)(yan)球上(shang)方(fang)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)桔紅色(se)。鰓孔上(shang)角第(di)一(yi)(yi)個(ge)側(ce)線鱗上(shang)有(you)(you)(you)(you)一(yi)(yi)個(ge)藍黑(hei)色(se)大(da)(da)斑(ban)點(dian)(dian)。尾(wei)(wei)(wei)(wei)(wei)柄(bing)(bing)(bing)中(zhong)部(bu)(bu)有(you)(you)(you)(you)一(yi)(yi)條(tiao)黑(hei)色(se)縱紋(wen)，向前(qian)(qian)延伸(shen)至(zhi)(zhi)背(bei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)的(de)(de)(de)(de)正(zheng)下(xia)方(fang)，或超過(guo)背(bei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)起(qi)(qi)(qi)(qi)點(dian)(dian)。背(bei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)、臀(tun)(tun)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)和腹(fu)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)均呈(cheng)淺(qian)黃(huang)色(se)。幼體(ti)(ti)(ti)和雌魚的(de)(de)(de)(de)背(bei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)前(qian)(qian)部(bu)(bu)有(you)(you)(you)(you)一(yi)(yi)個(ge)灰(hui)黑(hei)色(se)大(da)(da)斑(ban)點(dian)(dian)，雄(xiong)魚不明顯(xian)。尾(wei)(wei)(wei)(wei)(wei)鰭(qi)(qi)(qi)(qi)(qi)(qi)(qi)上(shang)下(xia)葉之間還有(you)(you)(you)(you)一(yi)(yi)條(tiao)桔紅色(se)的(de)(de)(de)(de)縱條(tiao)紋(wen)。彩石鳑(pang)鮍是一(yi)(yi)種小(xiao)型魚類，經(jing)濟價值低。生長(chang)(chang)(chang)(chang)(chang)緩慢，第(di)一(yi)(yi)年稍快。常棲息于(yu)水(shui)流較(jiao)(jiao)緩的(de)(de)(de)(de)溪河、水(shui)溝、池塘或稻田等水(shui)體(ti)(ti)(ti)中(zhong)，喜集群。其(qi)食物(wu)主要是水(shui)生植物(wu)碎屑、藻(zao)類、周(zhou)叢生物(wu)和水(shui)蚤等。第(di)一(yi)(yi)次性成熟為(wei)(wei)(wei)(wei)(wei)(wei)(wei)1齡，生殖季(ji)節(jie)在4-6月，懷卵(luan)量小(xiao)，一(yi)(yi)般為(wei)(wei)(wei)(wei)(wei)(wei)(wei)300--500粒。產卵(luan)于(yu)瓣鰓類的(de)(de)(de)(de)鰓水(shui)管中(zhong)。