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El Goldfish es uno de los peces mas comunes en el hobby de los acuario, ademas es uno de los peces mas maltratado y peor cuidado de todos.
Add to EJ Playlist En este video de ACUARIOSUDAMERI CA aprenderas otra alternativa en alimentos para tus peces.
Una propuesta mas natural y sana que los alimentos industriales para peces a los que estamos acostumbrados.
LINK DONDE APRENDERAS A FABRICAR APILLA PARA PECES:
http://www.yout ube.com/user/Aq ua6566
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Add to EJ Playlist These are extremely rare prehistoric fish that have not been seen until now!
Hagfish - According to the fossil record, hagfish have existed for over 300 million years, which means they were already old when dinosaurs took over the world!
Lancetfish - The lancetfish has a very obvious "prehistoric" appearance, with those fierce-looking, sharp teeth on its jaws and the sail on its back, reminiscent of that of some dinosaurs
Arowana - Belonging to the ancient group of the Osteoglossids, these fish already existed in the Jurassic period.
Frilled Shark - This deep sea predator, one of the most primitive sharks alive today, is a relic from the Cretaceous period, when dinosaurs ruled the Earth. Seldom seen alive, and only recently filmed for the first time, the frilled shark can grow up to 2 meters (6′ 6″) (with females being larger than males) and they live in deep waters, where they feed mostly on squid.
Sturgeon - Another survivor from the age of dinosaurs (they were already around in the early Jurassic), the sturgeon is well known for being one of the main sources of caviar (which is made out of their roe or egg masses); due to overfishing, these magnificent, armored fish are sadly endangered nowadays.
Arapaima - A close relative to the arowana (see #8), the Amazonian arapaima is sometimes considered to be the largest freshwater fish in the world. According to early descriptions, it could grow up to 4.5 meters (14′ 8″) long, but today, enormous individuals like these are seldom found and most adult arapaimas average 2 meters (6′ 6″) long.
Sawfish - This critically endangered animal is a survivor from the Cretaceous period, and can be found both in saltwater or in rivers and creeks, and has been found up to 100 kms inland.
Alligator Gar - This formidable, thick scaled predator is found in the southern US and northern and eastern Mexico, being the largest freshwater fish in North America (although it sometimes wanders into the sea). It can grow up to 4 meters (13′) long and weigh up to 200 kgs (440lbs).
Polypterus Senegalus - These african fish are often called "dinosaur eels", due to their reptilian appearance and serrated dorsal fin, reminiscent of some dinosaurs' spiked backs. They are not really eels, but members of the bichir family.
Coelacanth - The Coelacanth is the most famous of all "living fossils" and deserves to be #1 in this list, because it is the best example of a "Lazarus taxon", this is, animals that were supposed to be long extinct and are unexpectedly found to be alive.
Add to EJ Playlist Independienteme nte de la marca (que no deja de ser buena marca) es un video que me agrada y que explica basicamente como instalar y darle mantenimiento a una pecera y cómo tiene uno que darle tiempo para que se equilibre el agua... después de que la pecera plantada se equilibra... yá no se necesita hacerle mas que cambios parciales y podar las plantas. Aclarando que no necesariamente se tiene que usar ésta marca, pueden uno aún crear su propio sustrato nutritivo investigando en la red de redes: Internet... Se puede decir que lo único que me interesa de Tetra es su alimento.