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May 11, 2008
Bering Sea Warming Up
In comparison to other oceans, the Bering Sea is showing more dramatic climate changes.
The Bering Sea produces 50% of all fish caught in America and 1/3 all the fish caught world wide. Chances are the last fish you ate came from the Bering Sea. Studies and experiments are suggesting the ecosystem will support less than what we are harvesting, like the Pollock and Hake.
The Bering Sea is showing climate changes before the rest of the oceans so this may be a sign of things to come. It is much warmer now and marine mammals and birds are having mass die offs, and there’s many invasive species. In general, it’s going through massive chances to a more temperate ecosystem that is not going to be as productive as the last.
The effects of carbon dioxides are often over looked by the general public. It’s good that people are starting to worry about melting ice and rising water levels world wide. We are only now starting to see a comprehensive change in the world’s ecosystem, and some of these changes don’t look great for the future.
Phytoplankton takes sun light and converts carbon dioxide into carbon based foods. Small fish eat the plankton, and bigger fish eat the smaller fish, and an entire ecosystem develops which just keeps repeating its self until some thing in the system is disturbed.
The Bering Sea is very productive thanks to diatoms a large type of phytoplankton. Large diatoms are eaten by large zooplankton in turn are eaten by large fish. When the phytoplankton becomes scarce the zoo plankton becomes scarce and all the sea creatures that eat the diatoms and zooplankton will also become scarce.
Thus the ecosystem seems to be changing in a way that doesn’t support the top predators, and the top of that list is MAN!
Apr 29, 2008
Deaf Threat to Tropical Fish
Fish don’t have ears like humans but they can hear and rely on sounds for survival.
If you or I went deaf, we would not blame it on global warming; however hotter seas can pose a problem for young coral fish.
These fish are more likely to get misshapen ear bones and are most apt to get lost and die. According to a study on fish around Lizard on the Great Barrier Reef in Australia, warmer waters just make the problem more intense.
After hatching in the open seas, most fish spend a few weeks out in the open waters of the seas to adjust all their senses. Then they go to the reefs to settle down. The key factor of them finding home is sound. The fry have to seek out and listen to the high-frequency noises made by invertebrates like shrimp and sea urchins. In turn, they have to avoid the low frequency noises made by adult fish and crashing waves.
Monica Gagliano, at the Australian Institute of Marine research in Townsville Queensland, has discovered that at the time of hatching, just over 50% of all Ambon damsel fish have ear bones or asymmetrical otolith (which is a bad thing). A team of scientists suspect that it might be impossible for these fish to pinpoint the origin of a sound, which in turn, increases their chances of getting lost in a big ocean.
Gagliano says that an unpublished article shows that exposing adult reef fish to higher water temperatures and increasingly acid waters both of which are associated with global warming, increase the percentage of offspring born with asymmetrical otoliths
Apr 28, 2008
Genetically Modified Fish
Scientists may not be aware of the long term effects of genetic modification on animals.
Why is it we can modify plants animals, birds, and fish, but when it comes to genetically modifying a human through cloning it is considered one of the biggest sins ever? Clones at least would help people with medical problems or even allow stem cell research.
I came across an old head line that reads “Scientists Have Created the Ultimate Fish” That means in the future you wont need aquarium lighting, your fluorescent fish will do the lighting of your tank and most likely reduce your power bill as well.
Scientists believe that the Night Pear bio-fish represents the shape of pets to come. Pets of the future all will arrive at your doorstep with a few extra genes that will have hair that does not shed or no claws in cats or no teeth in rats. When the pet dies just clone it. Has anyone at all seen the long term effects of changing what was here before we were?
Here is a good example. Why not put cold water fish genes into tropical fish so then you don’t have to heat the aquarium. Sounds like a fantastic idea to me and it take a bit out of the old electric bill.
How many people flush their fish down the toilet or even worse let them go in a pond or a lake. Now we have tropical fish growing in our waterways amongst other fish they have never seen before. With this upset to the balance of nature, maybe all the small trout and salmon will get eaten as fry.
Mind you, I think it would be rather cool seeing a purple pink orange fish swimming in our water system.
Apr 19, 2008
Be Careful When Eating Fish
Marine finfish most commonly implicated in ciguatera fish poisoning include groupers, barracudas, snappers, jacks, mackerel, and triggerfish.
Global warming and reef disturbance are thought to be the cause of the increased amounts of dinoflagellate which cause the formation of ciguatera toxins in the flesh of the fish. How does this happen?
Harvesters and divers disturb reefs and cause the coral to die. Dinoflagellate which is an algae species breeds on dead coral. Warmer ocean waters caused by global warming accelerate the growth of dinoflagellate. Fish feed off of the reefs and ingest the toxins.
In an article from the Australian Medical Journal, Dr Leigh Lehane speaks of ciguatera as becoming one of the most common food-borne illnesses related to the consumption of finfish and believes the number of cases to rise dramatically in the near future.
When you buy fish, you can’t detect the disease on the fish itself. The fish smells and tastes no different. In addition, ciguatera toxins are not destroyed by cooking like most toxins related to food poisoning.
Symptoms of this disease usually begin within hours of eating infected fish. Vomiting, diarrhea and abdominal pains are the first to appear, but gastrointestinal symptoms are not always present. You could experience pain, sensory and neurological disturbances which could persist for weeks, months or even years.
Ciguatera was limited to fish in southern waters and it wasn’t even known to exist in the northern part of the world. With the increase in inter-regional transportation of seafood products, human poisonings have expanded the beyond the original geographic range.
Apr 8, 2008
Tropical Fish Migration
Fish that are normally found in southern waters are being discovered in the most unusual places.
With global warming and such, everyone seems to be changing their vacation spots.
It seems that fish are no different than humans looking for the warmer climates. This year’s vacation paradise for fish is Rhode Island located off the eastern seaboard of the Atlantic Ocean.
What is strange is these waters are usually cold, but due to global warming they’re getting all kinds of foreign fish as visitors. In addition, there have been some unusual winds and currents that have brought warm tropical water northward.
From juvenile orange file fish to snowy groupers and lookdowns, other tropical fish such as bicolor damselfish, grey triggerfish, banded rudderfish, spotfin butterflyfish, and bandtail puffer fish have been caught.
A lobster fisherman even pulled up a large trigger fish. Divers have sighted mackerel scud which is only found in the waters along the southern coastal states.
The only bad thing about all the foreigners is that we have no idea of the damage they could have on local fish and coral stocks. If it continues to be the vacation spot, it will be years before we become aware of any damages caused.
Some of the native fish in the area are moving northward to cooler waters. This is just like locals in resort areas who get out of town during the tourist season.
So if the “in spot” this year for groupers is Rhode Island where will it be next year?
Mar 30, 2008
Fish Keepers to Get Money?
The most expensive bill in history may benefit fisherman and breeders of tropical fish.
The patriotic sounding bill called
U.S. Troop Readiness, Veterans' Health, and Iraq Accountability Act was passed by Congress. It includes $96 billion for the Pentagon to play war in Iraq and Afghanistan. But President Bush had to have troops out by Sept 2008.
But wait there’s still 28 billion more dollars!
President Bush appearing in front of cameras said he would veto the bill because there was billions tacked on for pet projects that had nothing to do with the war on terror.
The final version worked out to about $742 million dollars a page a very expensive bill in anyone’s eyes, making it the most expensive in American history says Brian M. Riedl who serves on the budgetary issues board at the Conservative Heritage Foundation.
What are you getting to help fight the war on terror well rather than go through 87 pages times $742 million dollars ill just point out some of the top tools your getting to win the war on terror.
- $5 million dollars distributed to tropical fish breeders that lost fish due to a virus in 2007.
- $60.4 million for the National Marine Fisheries Service, “to be distributed among fishing communities, Indian tribes, individuals, small businesses, including fishermen, fish processors, and related businesses, and other persons for assistance to mitigate the economic and other social effects caused by” a commercial fishery failure.
- $120 million allotted for the shrimp and menhaden fishing industries to cover consequences of Hurricane Katrina.
I would like to be convinced that any of the above-listed monies can fight the war on terror.
Mar 22, 2008
Fish in Antarctic Waters
Although not yet confirmed, scientists have found new marine life in the Ross Sea.
Scientists in New Zealand’s Antarctic waters have made some very startling discoveries of new species. Included in these finds are abnormally large star fish at over two feet in diameter, jellyfish with 12 foot tentacles, very large sea slugs and up to 8 different mollusks.
“It’s always very exciting” says Chris Jones of the U.S. National Oceanic and Atmospheric Administration. “All the fish people just go crazy. Not that they don’t have enough things to do like settle on one name per fish instead of three and four different names.”
The new finds still have to be reviewed by a board of experts, to determine if they really are new species.
Other discoveries were also found in the Ross Sea such as, fields of sea lilies that stretched for hundreds of yards across the sea floor. Some of which the researchers at the New Zealand Fisheries declare that no human eyes have seen. To date, only small scale research has ever been performed in the Ross Sea.
This in-depth survey was part of the International Polar Year task force involving 23 countries and 11 research voyages. Their aim was to benchmark global warming in the Antarctic.
So it looks like that there are many more new discoveries to be made in the world today of sea life animal and insect and plant life.
Mar 13, 2008
Employee Entitlement
What do tropical fish, silk sheets, golf and divorce have in common?
These are items that employees have tried to get their bosses to pay for, according to a survey conducted by Robert Half International.
Robert asked 150 senior executives at some of the nations biggest companies what was the most outrageous thing employees have tried to get the company to pay for as a work related expense.
Responses ranged from personnel hygiene material to 60 inch plasma TVs to complete home redecorating.
Here are the top ten most outrageous things that employees have tried to claim for reimbursement:
- Tropical fish
- Traffic tickets
- Transporting a pet gerbil overseas
- Trip to Europe to conduct research
- Lodging at a storage container company
- Trip to the Masters Golf tournament
- Silk sheets and silverware
- Digital music player
- Health coverage and boarding for a pet
- Divorce costs
Maybe tropical fish are at the top of the list because these employees read my article
Aquarium Watching is Good for You!
While these examples might make you chuckle, expense fraud is no laughing matter. Companies nowadays are clamping down on work related expense claims.
The Robert Half International survey revealed that 63% of all companies interviewed are now doing more careful checking of expense reports than they did in the past.
Don't get caught!
Mar 7, 2008
Tropical Fish Business in England
What do tropical fish, religion and bare breasts have in common?
In Liverpool England, it is illegal for woman to be topless except if they work as a clerk in a retail tropical fish shop. Shirts do get wet when working around fish tanks so maybe this is the reason for this law. I wonder if anybody has dared to go bare.
City councilors in Liverpool claim this law is an urban myth but experts say it’s still in the British law books.
This is almost as silly as the British law still in existence where it is illegal to eat mince pies on Christmas Day or it’s perfectly legal for pregnant women to relieve herself anywhere she wants - including in a policeman's helmet!
A most unusual fish was discovered at Walker’s Aquatics in Waterfoot, Rawtenstall, Lancs. In the markings on one side of an astronotus ocellatus (typically called an Oscar), the word “Allah” was spelled out in Arabic. It was also believed to have the word "Mohammed" in its markings on its other side.
Within hours of discovering this unusual fish in the pet shop, television news reporters, paparazzi and locals arrived at the store to have a look at this declared sign from God.
A few weeks later, a customer bought the fish for 10 pounds. In addition, the customer bought a large tank and expensive equipment for more than 700 pounds.
Shop owner Tony Walker said he had expected more interest in the fish after all the attention the fish got from the media.
He still made a handsome profit and a few days of fame.
Feb 28, 2008
Fish Disappearing in Hawaii
Why are there less fish in coral reefs and what is being done about it.
Anyone that has lived in Hawaii or has been a long term visitor may be asking where all the tropical fish have gone. There is a noticeable change in the number of fish living in coral reefs.
These missing fish are called ornamental fish because of their fantastic variety of colors. Yellow Tangs and Clown Fish are very desirable for saltwater aquariums because of their cost and color. This is only an example of the many other marine fish being commercially collected.
Fish like the Cleaner Wrasse serve a function in a reef environment. They set up cleaning stations where they remove parasites and dead scales off of fish. This is called symbiosis. Without a sufficient supply of host fish, the Cleaner Wrasse population will decrease. With the absence of the Cleaner Wrasse, there is a higher mortality rate of ornamental fish due to parasitic disease.
The Moorish Idol and the Butterfly Fish both thrive on the alga produced from the live coral in coral reefs. If we strip the reefs of these fish, the coral will get overgrown with alga and die.
The Hawaii Division of Aquatic Resources places the number of fish taken from their coral reefs to be as high as 15 million per year.
What can be done to slow this problem or even stop it?
- Put limitations on the number of species and the type that collectors can take.
- Salt water breeding programs to replace what has been taken.
- Collectors can get fines, imprisoned or put out of business.
The finger points to collectors that don’t care if they wipe out coral reefs and fish as long as they make the almighty dollar. When they’re finished with Hawaii, they will go to another tropical area of the world to rape the oceans.
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