Abstract

Species of sea snakes collected in the Gulf of Thailand on 3 field trips during the summers of 1967, 1969, and 1972 are described. In all, 14,282 sea snakes were collected. Only one species of non-poisonous, aquatic snake, Acrochordus granulatus (false sea snake), was collected. The most common sea snake in the Gulf of Thailand was Lapemis hardwickii, which accounts for 81 per cent of all the catch in 1969 and 1972. Other sea snakes captured were Hydrophis cyanocinctus, H. torquatus diadema, H. ornatus, Enhydrina schistosa (Disteira schistosa), Kerilia jerdonii siamensis, Praescutata viperina (Thalassophina viperina, Lapemis viperinus), Microcephalophis gracilis (Hydrophis gracilis), Thalassophis anomalus, Pelamis pla- turus, Acalyptophis peronii, and Aipysurus eydouxii. Acalyptophis peronii previously thought to be found mainly in Australian waters was found in the Gulf of Thailand where four specimens were obtained. Venoms were extracted from the venomous glands of some of the species, venom yield and toxicity are reported. * * *

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