天气预报 > 其他 > 红箭鱼公母怎么看
红箭鱼公母怎么看
更新时间: 2020-10-23 00:00:00  

红箭鱼分公母有两个方法。第一个是看体型,体细长,体色鲜艳的是公鱼,体肥大,体色逊于雄鱼的母鱼。第二个是看鱼鳍,公鱼尾鳍下方有剑,各鳍的末端均较尖,最明显的是臀鳍已转化为性交接器。

母鱼各鳍末端较圆钝,尾鳍下方无剑,无伸出的交接器,泄殖孔较明显。

关键词: 箭鱼 怎么

红箭鱼公母怎么看相关经验

天气预报

最新推荐

页面:/news/view-2152601/ | 耗时:0.7489 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2152601 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2152601 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2152601 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1102166,1130808,1606619,1058075,1109977,1484894,1107337,2476165,1100931,1101953,1087926,1052425,1103230,1098525,1128411,1121528,1130666,1106190,1078424,1121102,1092704,1043756,1130346,1113972,1118202,1126488,1367489,1085772,1111934,1088578) ORDER BY field (ArticleID,1102166,1130808,1606619,1058075,1109977,1484894,1107337,2476165,1100931,1101953,1087926,1052425,1103230,1098525,1128411,1121528,1130666,1106190,1078424,1121102,1092704,1043756,1130346,1113972,1118202,1126488,1367489,1085772,1111934,1088578)