sea snake species


Also known as the Grenada Bank tree boa, the snake is endemic to Grenada and some of the other Grenadine islands. [12] They are sometimes observed in large aggregations of thousands on the surface of the water in oceanic drift lines, which has been proposed as a strategy to catch prey. Its last habitat was in the Timor Sea, specifically the Hibernia Reefs and the Ashmore island. Like sharks, sea snakes often prey on weak or diseased fish. Similar to the Short-nosed sea snake, this species also prefer to live in water with a depth of 10 metres.

that grow on sea snakes. The word Pelamis is a feminine noun and means young or small tunny fish. They feed on earthworms. There are black bands from its head to its tail. While a few individual yellow-bellied sea snakes have been reported on the Caribbean coast of Colombia – likely drifters who made it through the Panama Canal – Sheehy said the odds are stacked against them establishing a successful breeding population.

S ea snakes are an evolutionary success story. Three of the four snakes are officially endangered so it’s not surprising that sightings are rare. I, and my fellow snorkelers, saw them all the time. “I think one of the reasons we’re seeing declines in certain populations is because of changing rainfall patterns,” Lillywhite said. There is a huge decline of this species. According to Grenada’s Ministry of Agriculture, Lands, Forestry, Fisheries and Environment, the cribo is critically endangered. They hunt prey with underwater vision and smell and, with the exception of the yellow-bellied sea snake, often have highly specialized diets. [7][8] The yellow-bellied sea snake is a part of the rapidly radiating Hydrophis group. Also read: Stages of Ocean Basin Evolution, The Large-headed sea snake has a lifespan of 12 years. This venomous snake is a native species to the Pacific Island nation of Niue. Habitat degradation is thought to be one of the factors affecting the decline of this species population. Taking advantage of marine habitats could reduce that competition and open up resources other snakes aren’t using.”. [39] They hunt by floating on the surface of the water to attract pelagic fish that are seeking shelter; prey are captured via a backwards swimming motion and rapid lunge of the jaws. See medical assistance if you are concerned about a bite. The body of this snake is compressed, with the posterior less than half the diameter of the neck; the body scales are juxtaposed, subquadrangular in shape, and in 23–47 rows around the thickest part of the body; ventral scales, 264–406 in number, are very small and, if distinct, divided by a latitudinal Here I attach a sea snake stranding protocol. At least 20 sea snake species from the now-extinct family Palaeopheidae once thrived in the Atlantic Ocean, some of which reached 30 feet in length.

[9], The yellow-bellied sea snake, as the name implies, has a distinctive bicolor pattern with a yellow underbelly and brown back, making it easily distinguishable from other sea snake species. The venom is mostly used for its food. With about 70 species, they’re the most diverse reptile group in the ocean, outnumbering sea turtle species 10-to-1. Tropical storms such as cyclones also act as a threat to the species since it is vulnerable to extreme weather conditions. Habitat Found in shallow or coastal water habitats.

(2011). This snake species is venomous and found in the reefs of Western Australia. In 1872, Stoliczka introduced the name Pelamis platurus (still the most used scientific name by scientists today), but used the incorrect ending -us instead of -a which a feminine noun requires. None of the snakes on Grenada are dangerous to humans. The head is black but its snout is yellow. Renovate Digital LLC  is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. You can read more about it in the BioScience paper titled “Why Are There No Sea Snakes in the Atlantic?“. [26], The yellow-bellied sea snake is the only sea snake to have been found in the Atlantic Ocean, although only in limited circumstances. Renovate Digital also participates in affiliate programs with CJ, Booking.com, and other sites and is compensated for referring traffic and business to these companies. So, if you encounter a sea snake while scuba diving or snorkeling in the Caribbean, for the love of God, give them their space! Interesting Facts About the Sea Snake [29] In October 2015, they were reported and photographed on beaches in Ventura County, California, well outside their normal range, for the first time in 30 years. [6], Other common names are yellowbelly sea snake or pelagic sea snake. It’s easy to see why it would be a place where new species emerged.”. Other than that, the head of this snake is quite small. They are often seen in schools of several dozens. A snakebite from the Grenada Bank tree boa, cribo, or Barbour’s tropical racer may cause swelling, itching or in extreme cases an infection but it will not kill you.

The Rennell Island Sea Krait can only be found in the Solomon Islands. Sea snakes’ range could expand as ocean waters warm, Lillywhite said, but the net effect of climate change is more likely to trigger population declines than increases and may already be doing so: With the exception of the yellow-bellied sea snake, populations are shrinking in many areas. Sea snakes include 60 species of marine snakes from the cobra family (Elapidae). [22] The favoured habitat for hunting and reproduction includes free floating mats of sea kelp occurring in the Indian Ocean. If you harass it, it could bite. I lived in Grenada for two years, St. Vincent for 5 months. Declines in sea snakes could have ripple effects on coral reef ecosystems, where they’re often top predators, Sheehy said. I need to know more like where the snakes hang out, what they look like and whether or not they are venomous. Special thanks [31][32], The yellow-bellied sea snake has also been found in the Colombian Caribbean four separate times, making it the only sea snake to be found in the Caribbean Sea. 20 Reasons Why Grenada is Totally Worth It, Grenada Forestry Department’s Facebook page, Grenada’s Ministry of Agriculture, Lands, Forestry, Fisheries and Environment, Don’t Let These Insects Ruin Your Trip to Grenada. I’ve been taking trips to the Caribbean since 1997 researching the islands before I go and exploring them once I’m there. This type of snakes inhabit marine environments for most of their entire lives, and some are unable to move on land. It’s native to Grenada and St. Vincent and the Grenadines and is typically 3-4 feet long. Sea levels rose and fell, alternately creating and linking islands and shifting coastlines and river flows. Australian sea snakes do not come to land unless they are sick, injured or stranded. Flat-tail Sea Snake (Laticauda schistorhynchus). In general, more Grenada Bank tree boas can be found in the mid to lower elevations and less in the higher elevations. By frequently knotting and shedding its skin, the snake is able to rid itself of these organisms.

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