What Is Periodontal Disease? If your hands bled when you washed them, you would be concerned. Yet, many people think it's normal if their gums bleed when they brush or floss. In a 1999 study, researchers at the U.S. National Institutes of Health (NIH) found that half of Americans over 30 had bleeding gums. Swollen and bleeding gums are early signs that your gums are infected with bacteria.
Eels like to hide in caves or holes but also need plenty of space to swim. Many species, especially the Spiny Eels, also enjoy burrowing into the substrate. Because most eels are naked or have very small scales protecting their bodies it is important that the substrate is soft, such as fine sand and peat.el-like Fish: Aquarium eels also include many so-called 'freshwater eels' that are not true eels. Yet they are all commonly called eels in the aquarium industry. Other Eel-type fishes include: 1  Swamp Eels. 2  The Swamp Eels are members of Synbranchiformes Order which contains 3 families.
Longfin eels are omnivores. This means they are general or opportune feeders â eating both plant and animal life, depending on whatâs available. As elvers, they mostly eat insect larvae, worms and water snails.As they get bigger, their diet includes small fish, crayfish and small birds, such as ducklings.e also have a recently introduced longfin eel from Australia (Anguilla reinhardtii). Longfin eels can be identified because the dorsal (top) fin is longer and extends further forward than the anal (bottom) fin. In the shortfin species, the dorsal and anal fins are of a similar length.