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Thursday, September 30, 2010
Wednesday, September 29, 2010
Tuesday, September 28, 2010
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Herbert R. Axelrod
When I was, as a young teenager,getting into fish-keeping he was the man and his books were everywhere.
Paracheirodon axelrodi honored Axelrod
http://wapedia.mobi/en/Herbert_R._Axelrod
http://www.alixkirsta.com/articles/newjersey/index.htm
Laos sees big fish as small price to pay for hydropower
Plans for hydropower plant on the Mekong River threaten habitat of four of the world's largest freshwater fish, says WWF
http://www.guardian.co.uk/environment/2010/sep/24/laos-hydropower-plant-mekong-river
Monday, September 27, 2010
Sunday, September 26, 2010
Saturday, September 25, 2010
Rays
An amazing picture of thousands of rays swimming through the ocean in a colossal school has scooped top prize in the CIWEM Environmental Photographer of the Year 2010 awards. The group of Munkiana Devil Rays were spotted in Baja California Sur, Mexico, by German conservation photographer Florian Schulz. He described how he was able to capture his jaw-dropping image named Flight of the Rays: "During an aerial expedition I came across something I had never seen before. Not even my pilot, who has surveyed this area for 20 years, had seen anything like it. As we got closer we started to discover its nature: an unprecedented congregation of rays. The group was as thick as it was wide, all heading towards the same direction. I have asked around why this took place but no one has been able to explain it to me. After such a unique sighting, I realise there are so many marvels in the oceans that we are yet to understand"
Friday, September 24, 2010
Astronotus Ocellatus | Oscar Fish
Oscar fish, or to give it its proper name, Astronotus Ocellatus is a species of fish from the Cichlid family. The Oscar fish is a South American Cichlid. They are piscivorous, which means they eat other fish, so care should be taken with what else you put in the tank. A section below "Fish Tankmates for Oscars" covers this in more detail.
Oscar fish body shape tend to be flat to the side with a wide dorsal and nearly meets the back. The size of the chest and abdomen dorsal medium, while the caudal fin slightly rounded.
Based on the color there are two kinds of Oscar fish, ie Oscar brown base color as in the photo below, and type of albino white. Brown Oscar has a body reddish brown or blackish with red, orange or golden yellow pattern adorned on the side of his body. While Oscar Albino has a white body with red or yellow pattern on the side of his body.
Brown Oscar with characteristic pattern-color of wide, strongly colored and has fins dark brown or black with red lines at the edges are classified as good-quality Oscar. Just as Oscar Brown, Oscar albino with a wide pattern is also very popular.
Today, there are several types of Oscar Fish available to the Oscar enthusiast. The most frequently found are (in alphabetical order) the Albino Oscar, Lemon Oscar, Lutino Oscar, Red Oscar, Tiger Oscar, and the Yellow Oscar.
Oscar fish are reasonably easy fish to breed and this has given us many cross types of Oscar Fish from the above list and adds more interest to the hobby.
The photo you see here is just one such cross breeds. This is an Albino Tiger Oscar fish obviously bread from an Albino Oscar and a Tiger Oscar and I think makes a very attractive variety.
Bear in mind that all these types of Oscar Fish originate from the common Oscar/Cichlid family, native to the mighty South American rivers like the Amazon and the Orinoco. Due to breeders of Oscars we now have a greater selection to choose from.
Besides the color based, types of Oscar fish also distinguished by the size of the fin. Based on the fin's size , there are two kinds of Oscar. First is Oscar-Slayer with a long-finned and the second is a short finned Oscar.
Things you need to know about this fish, in normal conditions, Oscar fish behavior tends to calm. However, during feeding, while it is laying eggs, or feel disturbed, Oscar fish will be aggressive and fierce, so do not hesitate to bite anyone with his sharp teeth. Should be more careful when feeding or taking the Oscar fish eggs to avoid these fish bite.
Astronotus Ocellatus | Oscar Fish
Oscar fish, or to give it its proper name, Astronotus Ocellatus is a species of fish from the Cichlid family. The Oscar fish is a South American Cichlid. They are piscivorous, which means they eat other fish, so care should be taken with what else you put in the tank. A section below "Fish Tankmates for Oscars" covers this in more detail.
Oscar fish body shape tend to be flat to the side with a wide dorsal and nearly meets the back. The size of the chest and abdomen dorsal medium, while the caudal fin slightly rounded.
Based on the color there are two kinds of Oscar fish, ie Oscar brown base color as in the photo below, and type of albino white. Brown Oscar has a body reddish brown or blackish with red, orange or golden yellow pattern adorned on the side of his body. While Oscar Albino has a white body with red or yellow pattern on the side of his body.
Brown Oscar with characteristic pattern-color of wide, strongly colored and has fins dark brown or black with red lines at the edges are classified as good-quality Oscar. Just as Oscar Brown, Oscar albino with a wide pattern is also very popular.
Today, there are several types of Oscar Fish available to the Oscar enthusiast. The most frequently found are (in alphabetical order) the Albino Oscar, Lemon Oscar, Lutino Oscar, Red Oscar, Tiger Oscar, and the Yellow Oscar.
Oscar fish are reasonably easy fish to breed and this has given us many cross types of Oscar Fish from the above list and adds more interest to the hobby.
The photo you see here is just one such cross breeds. This is an Albino Tiger Oscar fish obviously bread from an Albino Oscar and a Tiger Oscar and I think makes a very attractive variety.
Bear in mind that all these types of Oscar Fish originate from the common Oscar/Cichlid family, native to the mighty South American rivers like the Amazon and the Orinoco. Due to breeders of Oscars we now have a greater selection to choose from.
Besides the color based, types of Oscar fish also distinguished by the size of the fin. Based on the fin's size , there are two kinds of Oscar. First is Oscar-Slayer with a long-finned and the second is a short finned Oscar.
Things you need to know about this fish, in normal conditions, Oscar fish behavior tends to calm. However, during feeding, while it is laying eggs, or feel disturbed, Oscar fish will be aggressive and fierce, so do not hesitate to bite anyone with his sharp teeth. Should be more careful when feeding or taking the Oscar fish eggs to avoid these fish bite.
'Birthplace'
CIWEM Environmental Photographer of the Year 2010 award winner
Bela Nasfay's picture titled 'Birthplace' In one of the small spring-fed lakes of an Hungarian mountain, the European Common Brown Frogs have already laid their eggs on the bottom by April. The tadpoles are waiting for the moment of their birth
Thursday, September 23, 2010
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Wednesday, September 22, 2010
Tuesday, September 21, 2010
Monday, September 20, 2010
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Sunday, September 19, 2010
Saturday, September 18, 2010
The last of the sea nomads (article)
For generations they have lived on the ocean, diving and fishing, and rarely setting foot on land. But now they risk destroying the reefs that sustain them…
Johnny Lagenheim
Guardian
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http://www.guardian.co.uk/environment/2010/sep/18/last-sea-nomads
Friday, September 17, 2010
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