In order to eat "regular" Kosher animals, there is a requirement for the animal to undergo Shechita (ritual slaughter). If an animal were to be killed / die without Shechita it is forbidden to be eaten.

Yet, by Kosher fish we find no such requirement. To eat fish, one can simply kill it and it is Kosher to eat.

Why is there this distinction? What makes fish different than other types of animals? (The Beit Yosef on Yorah Deah 13:1, quoting the Talmud, says that the Torah learns it Bamidbar 11:22, but I’m looking for other reasons than the fact that the Torah said they are)?

  • You don't have to kill a fish to eat it, you can eat it alive.
    – Hahu Gavra
    May 4, 2012 at 0:58
  • 1
    @Dan: if it were just that, then birds wouldn't be subject to slaughtering either - when brought as a sacrifice, the kohen would nip off the bird's neck with his thumbnail.
    – Alex
    May 4, 2012 at 1:33
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    @hahugavra what is your source for that?
    – yoel
    May 4, 2012 at 1:36
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    I was going to say Gezerath HaKathuv...until I read your last sentence. It would have been tongue in cheek anyway, but now I feel bad...
    – Seth J
    May 4, 2012 at 2:15
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    @HahuGavra: it's still not so simple, though. Yoreh De'ah 13:1 says that one shouldn't eat fish (or the kosher species of locusts, which don't need shechitah either) while they're still alive, because of בל תשקצו - not doing disgusting things.
    – Alex
    May 4, 2012 at 15:54

3 Answers 3


In Chullin 27b, the Gemara points out that "animals, which were created from earth, are made kosher via two 'signs' [cutting the windpipe and the esophagus]; fish, which were created from the water, don't need anything to make them kosher; birds, which were created from the mud [containing both earth and water - Rashi], are made kosher via one 'sign.'"

Maharsha there relates this to the idea that earth is more "earthy," materialistic and unspiritual, than water (compare Rambam, Hil. Yesodei Hatorah 3:10). So animals, which were created from such coarse matter, need shechitah - the main purpose of which is to drain their lifeblood - to refine their physicality and make it suitable for human consumption, since we are also made from dust. Birds - same thing, but less so, so they need the refinement brought about through shechitah, albeit of only one siman. Fish, whose bodies were created from a more refined material than ours - then no refinement is needed to make them edible. (See also https://judaism.stackexchange.com/a/3999/37.)

  • There's a maamar about that May 4, 2012 at 2:51

The Gemara (Shabbos 108a) discusses whether we can write tefillin on the skin of a kosher fish. The Gemara answers that we will have to ask Eliyahu HaNavi:

אי פסקא זוהמא מיניה אי לא פסקא זוהמא מיניה

The Chidushei HaRan writes that at the time of Eve's sin, the snake transmitted zuhama (some sort of filth) onto her and the rest of Creation. When the Torah was given at Mount Sinai, the filth was removed from all categories of creatures in the world that had representatives present at Mount Sinai. This excludes fish, who could not attend. (Since their absence was not under their control, however, perhaps the zuhama was removed from fish, too).

The Sefas Emes (ibid.) writes that the zuhama only leaves animals entirely when they are ritually slaughtered. The Sefas Emes suggests that fish have zuhama because there's no way to remove it from them (shechita is not applicable). Perhaps the Sefas Emes is extending the Ran's idea (who he quotes), and means that there is no shechita for fish because it won't accomplish anything. Animals, however, that were at Sinai, can have their zuhama removed through ritual slaughter.

(As far as birds, the Sfas Emes points out that, even according to the opinion that birds only require nechiras simanim mid'oraysa, that would also function to remove the zuhama).

Additionally, the following perspective comes from Breslov.com:

Since fish live under the water and are thus concealed from view, they are protected from the gaze of the seventy nations of the world. As mentioned above, kosher animals require shechita in order to remove the negative spiritual energies of immorality they have absorbed. Therefore, the righteous, who by definition are individuals who are very far removed from immoral behavior are compared to fish, who are also very far removed from the spiritual energies of immorality. This is why Yosef (Joseph) was blessed that his offspring should be like fish, as the verse says, "May they [Yosef's offspring] proliferate abundantly like fish within the land." (Genesis 48:16) Yosef is the only Biblical figure to be referred to as "HaTzaddik" (the saintly), because he resisted temptation and refused to have any immoral association with his master's wife. Just as the negative spiritual energies emitted from the eye have no negative effect upon fish in the water, similarly the offspring of Yosef are protected from the evil eye and the spiritual energies of immorality associated with the eye.

An additional reason fish do not require shechita is that they live in the water. Besides the fact that water acts as a protective shield against the negative spiritual energies of immorality emitted from the eyes of the nations of the world, it also contains the spiritual energies of purity associated with the hereafter and the Messianic era, when morality and the knowledge of Hashem will prevail, as the verse says, "For the earth [in the Messianic age] shall be full of the knowledge of Hashem, as the waters cover the sea." (Isaiah 11:9)

Fish were protected from the spiritual energies of immorality generated by the generation of the flood because they were concealed by the waters. Therefore, the fish didn't need the spiritual cleansing of the ark that the surviving animals and birds required, as the verse says, "And all flesh that moves upon the earth expired [in the flood]--among the birds, the animals, the beasts, and all the creeping things that creep upon the earth, and all mankind. All in whose nostrils was the breath of the spirit of life, of everything that was on dry land died [The verse mentions only the death of land creatures, implying that Hashem spared the fish, because they did not participate in man's sins (Talmud: Zevachim 113b)]." (Genesis 7:21, 22) And thus, there is no need to perform shechita on fish.

From a standpoint of practicality, also, just taking fish out of the water kills the fish, though not instantaneously. Even if possible, it is not practical to require shechita of fish.

  • You don't need to kill fish at all. See my comments to the question.
    – Hahu Gavra
    May 4, 2012 at 4:47

I heard the following in a shiur by Rabbi Tatz*:

During the flood all the animals were destroyed, apart from those that remained on the teivah, and fish. The fish were saved on account that they were immersed in water which is a metaphor for the protection granted by Torah (which is compared to water).

Kosher land animals that require shechita have a body and head which are separated by a neck. This separation symbolizes the ruchniyut (the head) and gashmiyut (the body). Before we are permitted to eat a kosher land animal, we must shecht it at the throat as a symbol of the permission of the gashmiyut (the body) to the exclusion of the ruchniyut (the head).

Fish do not have a neck. In fact, the head and body are connected with no 'neck'. Rabbi Tatz said that this symbolized a higher spiritual level than land animals (I'm not sure what this means) in that the ruchniyut and gashmiyut are mixed. Therefore, with the absence of a neck, the nature of fish shows us that we do not need to symbolically 'separate' the head from the body for fish. Thus, no shechita is required for fish.

*if anyone has the sources to these please feel free to edit; I am simply recalling parts of the shiur that I remember, and making it relevant to this question.

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