Black-banded sea krait
|Black-banded sea krait|
(Reinwardt in Schlegel, 1837)
The black-banded sea krait, or Chinese sea snake (Laticauda semifasciata), known in Japan as erabu umi hebi (ja:エラブウミヘビ), and Okinawa as the irabu, is a member of the Laticauda genus of sea snakes. It is found in most of the warm waters of the western Pacific Ocean.
This high snake frequents coral reef areas. It has a short head, thick trunk, and no easily discernible neck. The tail is simply extended skin, spread wide like a fin, and unsupported by any projection. The stomach is comparatively wide. Massing together near the shore, they breed between narrow cracks in the reef and in caves. It is a nocturnal snake, rarely seen during the day. It breathes air, so breaks the surface at least once every six hours.
It is too slow to catch fish in a straight chase, so it hunts for fish hiding in the coral. Alternately, gathering in the hundreds, black-banded sea kraits form hunting alliances with yellow goatfish and bluefin trevally, flushing potential prey from narrow crannies in a reef the same way some moray eels do. The bite is highly venomous and paralyzes the prey. Females lay their eggs on land.
Generally, the species is found in Fiji, southern Japan and Singapore. Their venom is ten times stronger than that of a cobra, making them extremely dangerous. Fortunately, this snake does not bite humans unless it feels threatened.
The erabu snake is a winter staple in southern Japan, where it is believed to replenish a female's womanhood. Irabu soup irabu-jiru (ja:イラブー汁) is said to taste like miso and a bit like tuna. This soup was a part of the royal court cuisine of Ryukyu Kingdom; it is thought to have analeptic properties.
- Lane, A. & Gatus, J. (2010). "Laticauda semifasciata". IUCN Red List of Threatened Species. Version 2012.1. International Union for Conservation of Nature. Retrieved 6 October 2012.
- "Black-banded sea krait photo - Laticauda semifasciata - G78940". ARKive.org. Retrieved 2016-07-17.
- "Archived copy". Archived from the original on 2012-03-11. Retrieved 2015-08-18.
- "Okinawa Gourmet Guide : Sea snake soup (Irabu-jiru) | Website of Okinawa Sightseeing information Okinawa2Go!". En.okinawa2go.jp. Retrieved 2016-07-17.
- Tu, M. C.; M. C. Tu; S. C. Fong & K. Y. Lue (1990). "Reproductive biology of the sea snake, Laticauda semifasciata, in Taiwan". Journal of Herpetology. 24 (2): 119–126. doi:10.2307/1564218. JSTOR 1564218.
- Hans Breuer & William Christopher Murphy (2009–2010). "Pseudolaticauda semifasciata". Snakesoftaiwan.com. Retrieved 7 October 2012.
- Schlegel, Hermann (1837). Essai sur la Physionomie des Serpens, Volume 1. Amsterdam: Schonekat. p. 516.
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