as "s-shaped" or "hooked". The number of teeth on the mandible is used to differentiate between species; in S. longirostris, there are about 24 teeth on the mandible. The base body color is olive-brown, with large round black spots in three series on the body. The maximum total length of the species is . Generally, females in the genus Synodontis tend to be slightly larger than males of the same age. Habitat and behavior In the wild, the species is known throughout the Congo River basin, with the exception of the southern tributaries. The species is harvested for the aquarium trade. The reproductive habits of most of the species of Synodontis are not known, beyond some instances of obtaining egg counts from gravid females. Spawning likely occurs during the flooding season between July and October, and pairs swim in unison during spawning. The growth rate is rapid in the first year, then slows down as the fish age. References External links longirostris Freshwater fish of Africa Fish of the Democratic Republic of the Congo Endemic fauna of the Democratic Republic of the Congo Taxa named by George Albert Boulenger Fish described in 1902