单词	headstander
释义	headstander /ˈhɛdstandə / noun A small deep-bodied freshwater fish of the Amazon region, popular in aquaria. It swims and feeds at an oblique angle with the head down. Genus Abramites, family Anostomidae: two species. Despite all this the headstander was my favorite fish, and the last troublemaker to leave the tank.... Marbled headstanders are not rare, but they're only available at certain times of the year, so you don't tend to see them for sale very often. This large group of fish are from Africa and central America some are shoaling species, which is 6 or more they include hatchetfish, pencilfish and tetras, headstanders and piranhas.
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