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Curiously, Emydocephalus is the only sea snake that does not possess palatal teeth. [5] Contrary to the foraging habits of other snakes, the turtle-head tends to eat smaller, more frequent meals rather than larger, infrequent prey: this sea snake feeds solely on fish eggs; specifically, the eggs of demersal fish that attach to the substrate, such as those of damselfish, blennies, and gobies.
In sea snakes, the posterior sublingual glands, located under and around the tongue sheath, allow them to expel salt with their tongue action. [5] [9] Scalation among sea snakes is highly variable. As opposed to terrestrial snake species that have imbricate scales to protect against abrasion, the scales of most pelagic sea snakes do not overlap.
They have a vertically flattened and paddle-shaped tail (similar to sea snakes) and laterally positioned nostrils and broad, laterally expanded ventral scales (similar to terrestrial elapids). [ 1 ] [ 5 ] [ 6 ] Their body has a striped pattern, nasal scales are separated by inter-nasals scales, and the maxillary bone extends forwards beyond the ...
The black-banded sea krait (Laticauda semifasciata), also known commonly as the Chinese sea snake or erabu, is a largely amphibious species of venomous marine reptile in the subfamily Laticaudinae, family Elapidae (cobras, mambas, coralsnakes and their kin). It is found in much of the western Pacific Ocean and some of the Sea of Japan.
• Sea snake (bottom right) Marine reptiles are reptiles which have become secondarily adapted for an aquatic or semiaquatic life in a marine environment. Only about 100 of the 12,000 extant reptile species and subspecies are classed as marine reptiles, including marine iguanas, sea snakes, sea turtles and saltwater crocodiles. [1]
Emydocephalus ijimae, commonly known as Ijima's sea snake and turtlehead sea snake, is a species of snake in the family Elapidae. [ 1 ] [ 2 ] The species occurs in East Asia , in the shallow coastal waters of the north-western Pacific Ocean. [ 1 ]
Emydocephalus is a genus of sea snakes, also known as turtle-headed sea snakes, in the family Elapidae. The genus is one of a small group of the viviparous sea snakes (Hydrophiinae: Hydrophiini) with Aipysurus. Unlike most sea snakes, the species that make up Emydocephalus lack teeth on their dentary and palatine bones.
[10] [11] The marbled sea snake also has a deletion mutation in its three-finger toxin gene, reducing its venom toxicity by between 50- and 100-fold. [9] [10] In the African and Indian egg-eating snakes, there are hypapophyses (protrusions) on the vertebrae which are used to break swallowed eggs. [11] [12]