Red swordfish can grow. Adult red swordfish is 7-10cm in length. Under artificial feeding conditions, red swordfish are generally about 12cm. The red swordfish is red all over. It is the colorist in the aquatic plant tank. As the saying goes, a little red in the ten thousand green bushes is exactly its portrayal.

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The male red swordfish carries a long sword, and the female red swordfish wears a round skirt (round tail). The red swordfish has a mild temperament and can be mixed with other tropical fish of similar size. Some red swordfish are aggressive to small tropical fish.