The anomalous sea snake (Hydrophis anomalus) is a species of sea snake. Its distribution includes the South Chinese Sea (Malaysia, Gulf of Thailand), and the Indian Ocean (Sumatra, Java, Borneo)."Hydrophis annandalei ". The Reptile Database. www.reptile-database.org.
References
Schmidt, Philipp (1852). "Beiträge zur ferneren Kenntniss der Meerschlangen". Abh. Nat. Ver. Hamburg 2(2): 69-86