El caracol de 11 libras podría parecer invencible contra la mayoría de las amenazas. Pero la situación cambia cuando los cangrejos ermitaños realizan una invasión durante la cena del arrebatador.
Narración:
El gigante “concha caballo” (horse conch) pesa más de once libras.
Es un gran molusco.
Este molusco tiene preferencia por los caracoles.
Por lo tanto, cuando el pequeño caracol “tulipán” divisa uno de estos colosos, sabe que está en problemas.
El caracol intenta correr más rápido que el gran cazador, pero es como una pequeña lanzadera enfrentándose con un destructor estelar... en una batalla que avanza a paso de caracol.
Por último, es invadido.
El olor a caracol digerido atrae a animales carroñeros... los cangrejos ermitaños.
Al instante, la gran concha está rodeado.
Pero los cangrejos no están aquí por los restos del caracoles.
Están por la concha del caracol.
Los cangrejos ermitaños usan la concha para proteger sus abdómenes de los depredadores.
Ellos encuentran una concha vacía, utilizar sus patas traseras para adherir a su columna central, y entra directamente.
Cuando sus viviendas crecen, tienen que buscar nuevos inmuebles.
La competencia es feroz.
Cuando el caracol está listo para liberar la concha, la batalla por el alojamiento se intensifica.
Hasta que un cangrejo decide saltar y cerrar el trato.
Se trata de un paso arriesgado.
El gran caracol aún podría tener hambre.
Pero el riesgo merece la pena.
El astuto cangrejo tendrá mucho espacio para crecer en su nuevo hogar.
Los cangrejos perdedores podrían terminar sin hogar... o en peores condiciones.
video crédito: National Geographic
http://video.nationalgeographic.com/video/animals/invertebrates-animals/crabs-lobsters-shrimp/deadliest-crab-vs-conch/#video_share
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Transcripción del video
The
11-pound horse conch might seem invincible against most threats. But
the tables are turned a bit when hermit crabs stage an invasion of the
dinner-snatchers.
Narration:
The giant horse conch weighs over eleven pounds.
That's a lot of mollusk.
The conch has a taste for snails.
So when the tiny tulip snail spots one of these behemoths, it knows it's in trouble.
The snail tries to outrun the big hunter, but it's like a tiny shuttle facing off with a star destroyer...in a battle that moves at a snail's pace.
Finally, it's overrun.
The smell of digesting snail attracts new scavengers...hermit crabs.
Instantly, the big conch is surrounded.
But the crabs aren't here for leftover escargot.
They're after the tulip snail's shell.
Hermit crabs use cast-off shells to protect their soft abdomens from predators.
They find an empty shell, use their rear legs to attach to its central column, and move right in.
When their current homes grow tight, they have to look for new real estate.
The competition is fierce.
With the conch ready to release the shell, the housing battle heats up.
Until one crab decides to jump in and close the deal.
It's a risky move.
The big conch could still be hungry.
But the risk pays off.
The crafty crab will have plenty of room to grow in his new home.
The losing crabs could end up homeless...or worse.
video credit: National GeographicThe giant horse conch weighs over eleven pounds.
That's a lot of mollusk.
The conch has a taste for snails.
So when the tiny tulip snail spots one of these behemoths, it knows it's in trouble.
The snail tries to outrun the big hunter, but it's like a tiny shuttle facing off with a star destroyer...in a battle that moves at a snail's pace.
Finally, it's overrun.
The smell of digesting snail attracts new scavengers...hermit crabs.
Instantly, the big conch is surrounded.
But the crabs aren't here for leftover escargot.
They're after the tulip snail's shell.
Hermit crabs use cast-off shells to protect their soft abdomens from predators.
They find an empty shell, use their rear legs to attach to its central column, and move right in.
When their current homes grow tight, they have to look for new real estate.
The competition is fierce.
With the conch ready to release the shell, the housing battle heats up.
Until one crab decides to jump in and close the deal.
It's a risky move.
The big conch could still be hungry.
But the risk pays off.
The crafty crab will have plenty of room to grow in his new home.
The losing crabs could end up homeless...or worse.
http://video.nationalgeographic.com/video/animals/invertebrates-animals/crabs-lobsters-shrimp/deadliest-crab-vs-conch/#video_share
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