Organisms, Craspedacusta sowerbii that are occasionally seen in our reservoirs that look like small marine jellyfish actually belong to a different taxonomic class, Hydrozoa, which includes the common hydra. These mostly translucent organisms are about the size of a quarter and feed on tiny zooplankton. Large, non-translucent gonads hang on their underside make them easier to spot on sunny days during the late summer.

Symptoms: Fish look like they have little white salt grains on them and may scratch against objects in the tank. White spot disease (Ichthyopthirius multifiliis) is caused by aprotozoan with a life cycle that includes a free-living stage. Ich grows on a fish --> it falls off and attaches to gravel or tank glass --> it reproduces to MANY parasites --> these swarmers then attach to other fish.

Moon jellies are certainly the most common, but several others occasionally make landing. Portuguese man-of-war can often be blown in with a strong storm from the South. Sea Nettle, Mushroom Jellies, and cabbage Head Jellies are also known to be off the coast and can be blown into shore. Lions Mane Jelly Fish are among the rarest to wash up. They can be as large as 8 feet across and have tentacles 100 feet long.

A lot of the pain and the skin damage of a paddling (or strapping, etc.) can come from the edges of the paddle, and holes add a lot more edges. I have a paddle with a bunch of small, 0.25" diameter holes that don't even go all the way through the wood. That thing hurts, and it can leave blisters. It even drew blood once. I don't like to use it on bare skin any more, though it's fun through blue jeans.

On the whole, no! We do occasionally get some stingers in the water, but they generally only stay around for a week or two. A wet suit is your best bet against getting stung.

The Channel is too cold and dirty for sharks. On the other hand, the channel is replete with jellyfish. The stings are not fatal but are very painful. Usually this happens as I am taking a stroke and what feels like three or four electrified barbed wires are being dragged across my skin- jellyfish tentacles. The skin usually burns for five minutes and then goes numb. Impressive scars then surface the next day. No channel swimmer is complete without his or her own collection!

Most jellyfish in Australia are harmless gelatinous creatures with umbrella like bodies and flowing tentacles. However, the box jellyfish, found in tropical Queensland, are extremely nasty. Called stingers they can inflict excruciating pain and even death from a single brush. In the wet season (November to April) they live off the coast and swimming is only advised in enclosed areas (most beaches have these).

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Yes, it is possible to use a protein skimmer in freshwater. But it makes no sense. The freshwater usage of skimmers does not justify the purchase. The benefits of skimming are only profitable in saltwater - that is why it is commonly believed that skimmers only work in salt. Unless you have scientific information about why the skimmer will work in your fresh environment, it is not advisable to waste your money!

No, although large dragonflies if held in the hand will sometimes try to bite, but fail to break the skin. They have a lot of "folk names" which imply that they do (such as Horse stinger), but they don't use their egg-laying tube (ovipositor) for stinging. They also don't bite (people) but they are a fearsome predator of other flying insects.

Yes — the venom sac at the end of a wasp sting keeps pulsing for a short period after a wasp dies, so if you come in contact with the sting you may still be injected with venom.

Unprovoked wasp attacks are very rare, a wasp will normally only use its sting to defend itself or to subdue prey. Many wasps stings are the result of people squashing wasps, either deliberately or by accident. Wasps are attracted to food (especially fish sandwiches) and sweet drinks. People have been stung while they are eating because they have not seen the wasp that is also sharing the food.

There were two Sting wind controllers produced for a short time in the late 1980's but both are no longer in production and they were rarely seen. Sting EW1 synthesized, electronic wind instrument fingers basically the same as a saxophone or recorder but can be customized with up to 2000 different fingerings available. Nickel plated instrument appears very much like a clarinet with standard woodwind mouthpiece.

It is your new Student ID card that will serve as your library card and provide electronic access to your available money or funds at your Wells Fargo College Checking account. This will include electronic disbursements of your financial aid.

Seek medical help immediately! If you are uncertain how your body will react, be sure to let someone know what has happened. It is best to be with other people that can assist you, if necessary.

Fiddler crabs need access to air and are escape artists. They also do best in a brackish water aquarium, that is a tank with a specific gravity (salinity measurement) of 1.008. They can be kept in freshwater, but in many cases they will only live 2-6 months. You must provide them a way to get above the water, and the aquarium must be completely covered. Otherwise, they will escape every time. There are also red claw crabs. These are sold as freshwater crabs, but this is open to debate as well.

These pearls originate within a saltwater mollusk. Most pearls are cultured, because of lack of efficient and un-polluted waters it is rare to find natural Pearls. Salt water cultured pearls are mostly found in Japan, however, China has greatly improved there quality to match Japanese Saltwater pearls, such as the Akoya pearls from Japan. Freshwater pearl refers to a natural or cultured pearl that grows inside of a freshwater mollusk-which lives in a river or a lake.

All of Florida's freshwater is supplied from the groundwater aquifers. The drinking water supply is also totally dependent on these aquifers. These aquifers discharge around 8 billion gallons of water everyday.