Black-banded Sea Snake (Laticauda semifasciata) | In Japan, this sea snake is called Erabu. It is highly venomous reptile. It is also commonly known as Large scaled sea krait. As a sea snake, Black-banded sea kraits are unique reptiel. They are amphibious. Therefore, they are able to live on land or in the ocean. Their compressed tail helps them to move fast in the water. However, they are most commonly found in shallow tropical marine environments, coral reefs, and mangrove swamps. Black-banded sea kraits are Pacific Ocean coastal waters of Australia and southeast Asia; Indian Ocean coastal waters. In southern Japan,Black-banded sea kraits are winter staples. They are believed to replenish a female's womanhood.
Black-banded sea kraits have blue or blue grey color with approximately 20 -65 black bands. The underneath flesh of the snake is yellow or cream color. The snout and upper lips are usually yellow in color. The compressed tail helps it to move speedily in the water. They had a blunt head. Their bodies are covered with scales and they have a flattened tail.
Black-banded sea kraits like to hunt their prey in crevices of the barrier reef because they are slow swimmers. Due to their slow speed, they are unable to chase the fish. Baby sea snakes rely on the sand smelts and sand perches as food in order to survive. As the baby sea snakes grows older, it will switch its taste to prey such as the surgeonfish and damselfish. Since young sea snakes that are newly hatched cannot swim speedily, they must always ambush themselves amongst the coral so that they will not be hunted by larger predators. Black-banded sea krait's soup is said to taste like misu and a bit like tuna.
One interesting Black-banded sea krait fact is that it don’t have gills like fish so that they cannot stay underwater for a long period of time. To maintain the appropriate oxygen level, they must resurface to the water from time to time to breathe in air. Most sea snakes give birth to their young alive. Some sea snake such as the black and white sea krait will come to the shore to lay eggs during the breeding season.