black ghost knifefish

== English == === Noun === black ghost knifefish (plural black ghost knifefish or black ghost knifefishes) A tropical fish of species Apteronotus albifrons of South America, covered in a black color entirely, except for two white rings on its tail and a white blaze on its nose, occasionally extending into a stripe down the back. === Further reading === black ghost knifefish on Wikipedia.Wikipedia