金龙鱼和银龙鱼有什不同…那一种好…

2025年04月07日 06:29
有2个网友回答
网友(1):

银龙鱼为骨咽鱼科 (古代鱼类)原产于亚马孙河和圭亚那。体呈长带形,侧扁。尾呈扇形。背鳍和臀鳍呈带形,向后延伸至尾柄基部;胸鳍较大;尾鳍短小呈圆扇形。眼睛在头的上部接近头顶。口也在头的上位,口裂大而下斜,下颚比上颚突出,长有1对短而粗的须。此鱼有5排呈粉红的半圆形鳞片,鳞片巨大,鳞片至尾部相对较小,鱼体呈现像是金属的银色,其中含有钴蓝色、蓝色、青色等混合颜色,闪闪发亮。在光线的照射下能显现出淡粉红等其他颜色。幼鱼时的体色泛青色。成鱼体长90-100厘米。金龙鱼是现今硕果仅存的少数古生鱼类之一。远在三百五十万年以前的太古石炭纪,隶属Osteoglossidae科的龙鱼便已经开始存在了。后来,地球地壳的移动逐渐地把它们分布到世界各大陆去,如今主要分布于澳洲、南美洲和亚洲等地。有不同形态的几个品系,名贵的有过背金龙鱼和红龙鱼。过背金龙鱼原产于马来西亚,红龙鱼主要出产于印度尼西亚。此外还有出产于澳大利亚的星点龙(珍珠龙)和出产于南美亚马逊河的银龙和黑龙等。金龙鱼(大黄鱼)是海洋鱼类,俗称红瓜,即大黄鱼,石首鱼科,黄鱼属。是中国四大海产之一。有同名品牌的金龙鱼食用油。我家里养金龙鱼的,说实在的,当初想两个都养,后来,店主说:“这两种鱼有些难养,一开始很难接受人工饲料,需要人工驯饵。龙鱼在吃食时用力过猛会撞到缸里的某一个角度以导致受伤,喂食时最好在鱼缸的中间来投食。龙鱼属于肉型性动物,大部分龙鱼的食谱为,青蛙、泥鳅、板球、金鱼、蚂蚱、小虾等等。而银龙鱼与它类似。但两个混养的话,要考虑一些措施。”我本人建议你挑一种养。

网友(2):

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