rivulus

riv u lus |ˈrivyələs ˈrɪvjələs | ▶noun a small tropical American fish of shallow fresh and brackish water. Often mistaken for a killifish or topminnow, the rivulus is distinguished by its tubular nostrils. [Genus Rivulus, family Rivulidae: several species, many of which are spotted, in particular R. marmoratus. ] ORIGIN modern Latin, from Latin, literally ‘small stream. ’

rivulus

rivulus |ˈrɪvjʊləs | ▶noun a small tropical American killifish of fresh and brackish water. ●Genus Rivulus, family Cyprinodontidae: several species, many of which are spotted. ORIGIN modern Latin, from Latin, literally ‘small stream ’.