释义 |
x-ray fish
x-ray fishn. A small freshwater fish (Pristella maxillarus) native to South America and often kept in home aquariums, having an almost transparent body with a black stripe on the dorsal fin. Also called x-ray tetra. [So called because its spine and sac of internal organs are visible, giving the impression of an x-ray photograph .]x-ray fish
x-ray fishn. A small freshwater fish (Pristella maxillarus) native to South America and often kept in home aquariums, having an almost transparent body with a black stripe on the dorsal fin. Also called x-ray tetra. |