tetra

名词 n.
中文释义

英文释义

名词 n.
  1. Any of numerous species of small freshwater fish of the South American family Characidae and West African family Alestidae, popular in home aquariums.
    — Among them were ancient relatives of the piranhas and those popular aquarium fish the tetras, along with garfish and freshwater coelacanths, known as mawsonids.

词形变化

tetras plural

词源

From translingual Tetragonopterus, an obsolete genus that included these fish, ultimately from Ancient Greek τετράγωνος (tetrágōnos, “square, quadrilateral”) + πτερόν (pterón, “wing, fin”).
0 次浏览 数据来源: Wiktionary