The African river devil shark (Asteracanthus aferensis) is a species of Hybodontidae shark that originally lived in what is now Africa during the Cretaceous as an extinct species of Asteracanthus and was once extinct, but has since been brought back from extinction by SciiFii and introduced to the modern lakes and rivers across Africa to help boost biodiversity. Unlike the closely-related devil shark, it is primarily a brackish water and freshwater animal as it isn't as tolerant to saltwater as its relatives, although it has been known to live in shorelines. The main diet of the African river devil shark includes clams, snails and lobsters, primarily freshwater species, with the help of its strong blunt teeth used for crushing. It can grow to be about 2 metres (6.6 ft) in length, about the size of the devil shark. The African river devil shark is named for its two horn-like structures on its head, which resembles short horns of its mythical namesake. It also has sharp spines sticking out of its dorsal fins to defend itself against any possible predators such as crocodiles. The conservation status of the African river devil shark is Least Concern due to successful conservation efforts, the African river devil shark's wide range, and its tolerance to most of human activities. The African river devil sharks are also completely tame and docile towards humans and their pets, probably a result of genetic engineering by SciiFii, and humans seem to tolerate the African river devil sharks' presence in public river bank beaches because of this.
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