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10 votes
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Is there a concept of "bitul beshishim" with regards to fish?

As always, the answer is: "it's a machlokes!" Open up a Shulchan Aruch to Yoreh Deah 116:2, where it says not to mix meat and fish. The Taz's opinion is that because meat-and-fish is a health ...
Shalom's user avatar
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10 votes

Could Yonah's "whale" have been a whale?

The only Rishon I saw who identifies the Dag Gadol in his commentary is [R Eliezer of Beaugency to Yonah 2:1][1], and he identifies it as a "בַלְיינְא וכיוצא בו", which is a baleine (etc.) in French (...
רבות מחשבות's user avatar
8 votes
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Why are shellfish not kosher?

Shellfish do not have fins and scales. As the pasuk Shmini 11:9 says Among all [creatures] that are in the water, you may eat these: Any [of the creatures] in the water that has fins and scales, ...
sabbahillel's user avatar
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7 votes

Is swordfish Kosher?

I am no Gadol HaDor nor a Posake by any means, however, I have caught Swordfish in the past and can tell you that the deck of the boat has been covered with tiny scales after boating the Swordfish. I ...
Lee S's user avatar
  • 71
7 votes
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Certified vs. Uncertified Costco Salmon

R Sholem Fishbane, the Executive Director of the Associated Kashrus Organizations (AKO), an umbrella group of major kosher-certifying agencies and the and the Kashruth Administrator of the CRC kosher ...
mbloch's user avatar
  • 51.4k
6 votes

Why is herring used for tikun?

This is not a definite reason, but it may be in memory of the teaching of Rav Yehuda said in the name of Rav found in Bava Bathra 74b which talks about the Leviathan that was salted and stored away by ...
Yaacov Deane's user avatar
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6 votes
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Worcestershire sauce: OU Fish? Can it be used on steak/fleish?

The OU site has an article on this. The explain: Therefore, products that contain amounts of fish that are not batel b’shishim must be labeled OU Fish, so that consumers will not unwittingly eat ...
Danny Schoemann's user avatar
6 votes

What is a kilbis fish?

Jastrow suggests that the kilbith fish may be a stickleback. כִּלְ' , (כִּילְבִּית) כִּילְכִּית f. (=כילכלית, v. כלכל; or denom. of כלב, emp. כּוּלָב) name of a small fish, supposed to be a ...
ezra's user avatar
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5 votes
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Why is fish and milk permitted but not poultry and milk?

About quails they eat in the desert what says the verse? Bamidbar (11, 33). הַבָּשָׂר עוֹדֶנּוּ בֵּין שִׁנֵּיהֶם טֶרֶם יִכָּרֵת וְאַף יְהֹוָה חָרָה בָעָם וַיַּךְ יְהֹוָה בָּעָם מַכָּה רַבָּה מְאֹד: ...
kouty's user avatar
  • 22.7k
5 votes

How many species of fish don't have simonim when caught?

The Snoek fish loses its scales when you take it out of the water. Many kosher consumers in South Africa eat Snoek. Discussion of South African fishermen regarding Snoek: http://www.sealine.co.za/...
David Kenner's user avatar
  • 10.7k
5 votes

Removing dead fish from fish tank on shabbas

According to Rav Yehoshua Y. Neuwirth z"l, in his work Shemirath Shabbath [Ke'hilchata] (27:29): a. A fish which has died may be removed from an aquarium, so that the other fish should not die, ...
IsraelReader's user avatar
  • 4,980
5 votes

Eating fish on Yom Tov?

See Aruch Hashulchan 529:4 that one should have fish and meat on Yom Tov: ולקבוע כל סעודה על דגים ובשר, Mateh Ephraim 625:65/67 says similarly that one should have fish, meat, and wine: עתה נחזור ...
Eliyahu's user avatar
  • 5,405
5 votes

Fish and Meat only an issue until year 5000?

I found it quoted in Shemiras Haguf V’HanefeshThe Mahashdam Chelek Daled Siman 124 in the name Sefer Hakana after the Year 5000
Daniel Ross's user avatar
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5 votes
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Why does Judaism believe in דולפנין Mermaids?

Contrary to popular belief, mermaids do not exist. The Gemara describes dolphins, which Rashi mistook as mermaids or read it that way in Worms. Similarly, what Christopher Columbus and the Spanish ...
Turk Hill's user avatar
  • 1,328
5 votes

Ancient Jews eating only fish with fins and scales?

How can these findings be reconciled with the Torah's prohibitions to consume finless and scaleless fish? To give a few possible answers. The research was biased and faulty Finless and scaleless ...
Schmerel's user avatar
  • 5,160
4 votes

Can one cook meat and fish dishes at the same time in the same oven?

Many halachic decisors permit cooking meat and fish dishes simultaneously provided at least one of them is covered (SA YD 108:1). After the fact, it is permitted to eat the food even if not covered (...
mbloch's user avatar
  • 51.4k
4 votes
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May one marinate fish on Shabbat?

The Mishna Berura in 321:5 (21) states that one may not salt raw fish or meat; whether to eat it on that Shabbat or to prevent it from spoiling. He says that it's a Rabbinic decree as it looks like ...
Danny Schoemann's user avatar
4 votes
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Why aren't kosher marshmallows labelled OU Fish?

This article from Star K says in part: Similarly, fish gelatin must be produced from a kosher species of fish if it is to be considered kosher. The use of fish gelatin with meat foods poses an ...
Avrohom Yitzchok's user avatar
4 votes
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Meaning of this midrash

Artscroll brings in an explanation from Olelos Efrayim (§547) The "ship" is the person in his passage through this world (as above, 73a note 21 (Ch. 51). Rabbah states that during his ...
mbloch's user avatar
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4 votes
Accepted

Does the prohibition of bestiality apply to fish

The Gemara (Sanhedrin 58a) teaches that the prohibition for Noahides to have relations with land-based non-humans is derived from the commandment: “and they shall become one flesh” i.e. they may only ...
User123's user avatar
  • 314
3 votes

Why is herring used for tikun?

You can read this article in full, but I’ll just quote the important part below. Most likely, the fish became popular among Eastern European Jews for practical reasons: it was cheap. ————— some ...
Dr. Shmuel's user avatar
3 votes

What are the alternate signs for a kosher fish?

I didn't find pictures unfortunately, but sharp heads are just that - like in sharks, while kosher fish have a more rounded head, as their mouths are in the front. The spine means actual bones, as ...
Cauthon's user avatar
  • 3,845
3 votes

Why do fish die?

(Recognizing the origins and purposes of midrashim are imperative when attempting to utilize them for p'shat or to gain insight into 'the real world'.) Rashi on this verse is merely quoting the ...
Oliver's user avatar
  • 12k
3 votes

Why do fish die?

@Yishai in a comment posted a link to an answer to this question, but it's been a long time and he hasn't made it an answer, so I'm summarizing the answer myself. In Otzar HaYediyos, by Rav Yechiel ...
robev's user avatar
  • 19.9k
3 votes

Raw fish on Shabbos

This piece is from the OUKosher website: Is it permissible to make Sushi on Shabbos? Is it muktza? Shulchan Aruch (Orach Chaim 308:32) writes that unsalted raw fish is muktza, because it serves no ...
פרי זהב's user avatar
3 votes

If chicken eggs are parve, is caviar considered "fish"?

The Shevet Halevi (in Kovetz MiBeis Levi Yoreh Deah, page 87. Also quoted in Ohel Yaakov Yoreh Deah Volume 2 Siman 116, page 302, #30, footnote 42) says that it's Mutar to have meat with fish eggs.
Eliyahu's user avatar
  • 5,405
3 votes

How did the fish live through the flood?

Chiddushei Agadot on Zevachim 113b suggests that the boiling waters only occurred where it was covering previously dry land. To wit, waters that predated the Flood (i.e. the various bodies of water) - ...
Shmuel Brown's user avatar
  • 1,348
3 votes

Shark ate someone

Tosafot Shabbat 55a suggest that the rule forbidding working one’s animals on shabbat would apply to fish as well. They think that this could be derived from a gezeira shavah linking shabbat to the ...
Joel K's user avatar
  • 42.6k
3 votes

Custom to specifically have whiskey after fish because of danger

Sh'arim M'tzuyanim B'Halacha [on Kitzur Shukchan Aruch] 33/2 makes this suggestion.
פרי זהב's user avatar

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