Despite the absence of rod cells in sea snake eyes, Simeos et al. Very little is known about sea snake vision. The composition of the sea snake venom is species specific. The eels were more resistant to the venom of the eel specialist sea snake. Five species of sea turtles inhabit the area, along with 20 species of sea snake. Other common names are yellowbelly sea snake or pelagic sea snake. There are also 2 coral snake and 9 sea snake species. This sea snake frequents coral reef areas. Two species of sea snake from the Acrochordidae also occur in Australian waters. The olive sea snake swims using a paddle-like tail. Aipysurus laevis is a species of venomous sea snake found in the Indo-Pacific. The German Army developed a portable landing bridge of its own nicknamed "Seeschlange" (Sea Snake). The pelagic sea snake is the world's most widely distributed snake species. This suggests the sea snake was indirectly exposed to oil through ingesting prey. Yellow-bellied sea snake venom contains several different neurotoxins and two other isotoxins.