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Selenotoca multifasciata


Selenotoca multifasciata
Silver Scat
银鼓鱼
The Silver Scat Selenotoca multifasciata is one of the prettiest fish in the hobby. It has a brilliant silver body with black spots and vertical bars across the face and flanks. Maximum size in aquaria is rarely more than 15 cm/6" though wild fish supposedly reach up to 40 cm/16". A related species Selenotoca papuensis may be traded occasionally. It is essentially identical in appearance though maximum size is said to be less than 10 cm/4". Distinguishing the two species is very difficult, though one indicator may be the size of black spots on the body: in the case of Selenotoca multifasciata these are smaller than the size of the eye, whereas on Selenotoca papuensis the spots are about the same size as the eyes.
形态特征:体扁圆形。体银白色,体表两侧腹部有稀疏的数十个黑色圆斑,似金钱状。体表两侧背部有数条黑色横带。背鳍前端(硬棘条有毒,捕捉时小心)低矮,背鳍后端与臀鳍上下对称。尾鳍宽大,鳍条挺括。
饲养:投喂颗粒饲料、小虾、小鱼,红虫。由于它来自近海的河口水域,饲水中应定期加些海盐。银金鼓鱼可同时生活在淡水和海水中,在水族箱中很难繁殖。人工饲养应在缸内放些硼砂或珊瑚砂使水质条件满足其需要,该鱼成长迅速,比较皮实,如果在水里加适量的海盐对其成长更好。可与地图鱼、血鹦鹉、十间鱼混合饲养。有时爱咬鱼(大型鱼反而容易遭到它的追击),据说下点粗盐会状态好点。
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