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Migration stingrays

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mantarrayas, patrimoniosdelmundo.es

It is the migration of thousands of rays "nose of cow" (Rhinoptera bonasus) from the Yucatan peninsula in Mexico looking for the warm waters of West Florida. To understand the magnitude of the event, it is worth mentioning the fact that each ray has a size of approximately 2 × 2 meters and the migration includes a total of around 10,000 copies.
Despite the innocuous appearance, also called Golden stripes (Golden ray) are armed with a poisonous sting, which can be deadly to humans (designed for protection against the sharks, their main enemies).

Rory Moore
Rory Moore
They use their extended pectoral fins to swim and raised their heads above the surface of the water. Their fins are essential to get food. Use them to hit the bottom of the sea and thus collect crabs, clams and oysters, "milling" before eating them.
Stripe cow nose inhabits a large part of the West of the Atlantic Ocean and the Caribbean, from New England, USA.UU. to the South of Brazil. Males reached 90 cm. wide and weigh 12 kg. Females grow to 71 cm. wide.
Florian Schulz
Florian Schulz
A stripe cow nose tends to be golden brown color with a whitish or yellowish belly. It has a wide head with spaced eyes, and a pair of distinctive subrostrales lobes. It also has a set of dental plates designed for crushing clams and oyster shells. They also possess a set of fangs that lie behind the plaque. When it feels threatened it uses the Barb at the base of its tail to defend themselves.
Its sting, a sharp spine that grows from the tail of the line, takes a dose of poison that can be fatal to humans in some cases. A line similar to "cow nose" was the one that killed the popular Australian naturalist Steve Irwin in 2006.
Rory Moore
Rory Moore
However, even equipped with this powerful defense, the nose of cow striped stripes are shy and prefer to avoid people. Like the majority of venomous animals, only attack when they feel cornered or threatened.
[tecnologeek]
Vía: patrimoniosdelmundo

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