kelb-el-bahr
noun
¦kelˌbel¦bär
plural -s
: any of several large formidable characin fishes of the Nile and rivers and lakes of tropical Africa that constitute the genus Hydrocyon, reach a length of about three feet, have strong teeth, and in form resemble a salmon
Word History
Etymology
Arabic kalb al-baḥr, literally, the dog of the sea (river, Nile)