While eels do have scales from a scientific point of view, the word kashkeshet (קשקשת) is interpreted in the Talmud to be a subset of scales that can be cleanly removed from the skin of the fish. There are several types of scientifically-accepted scales which do not have this attribute, such as the denticles of a shark and the thin scales of an eel. It is for this reason that eel is not kosher.
As stated in the Torah (Leviticus ch.11).
The goldfish has a body covering of scales. All fish have scales (even skarks), though their shape and composition vary.
Not usually. Eels are pretty hard to catch even for a bird.
Sea salt is a mineral and so long as anything that is non-kosher is not added to the dry salt crystals the salt is kosher. To say that sea salt is not kosher because non-kosher aquatic life lives in the ocean would be the same as saying that all fruits and vegetables are not kosher because they've come in contact with bugs.
House Foods Tofu Shirataki is certified according to their website but it doesn't specify the hechsher.
It doesn't matter what kind of restaurant it is. That's not relevant to what Jews eat. Consider this:Orthodox Jews will not eat in unkosher restaurants at all, unless they find themselves in a place where that is the only choice. In that case, they would typically only eat vegetarian cold food on clean cold plates, such as plain salads without dressing, raw vegetables, fruits and nuts. Some may eat kosher fish, if it is unseasoned. Kosher fish are fish with fins and scales.Non-Orthodox Jews who keep kosher will often eat dairy, vegetarian, and kosher fish even with seasoning. (Kosher fish have fins and scales).Non-Orthodox Jews who don't keep kosher will eat whatever they want.
Margarine doesn't contain gelatin, even then, it is not kosher unless it is certified kosher.
Even though they are poisonous they do have some predators which are humans we sell them to pet stores all the time, large eels, angelfish, pufferfish, and more.
Zero, a useful number to have on the scales, will be present in the even numbered scales but not the odd numbered ones.
No, tynamo cannot learn any TMs or HMs until it evolves. And even after it evolves, no other evolutionary forms can learn Surf even though they are based on eels
Chapter 11 of Leviticus lists various kinds of animals which are kosher and not kosher. In the section on fish, verses 9 through 12. it says, 9 These shall ye eat of all that are in the waters: whatsoever hath fins and scales in the waters, in the seas, and in the rivers, them shall ye eat. 10 And all that have not fins and scales in the seas, and in the rivers, of all that move in the waters, and of any living thing which is in the waters, they shall be an abomination unto you: 11 They shall be even an abomination unto you; ye shall not eat of their flesh, but ye shall have their carcases in abomination. 12 Whatsoever hath no fins nor scales in the waters, that shall be an abomination unto you. Blowfish have fins, but they've got spines instead of scales.
No. Even when it was open it wasn't kosher. And since it closed in 2010 it isn't non-kosher either.
The eels main adaptation is its intelligence. Some science types have postulated that with the correct training eels could be taught to find drowned people or even sunken submarines, boats and treasure.