Sayyed Mohammad Al-Musawi,
Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to religious questions. In the past, he has also spent significant time in India guiding the community.
Pescetarians are vegetarians who do not eat any type of meat except fish.
It is allowed to do that for some time, but it is not allowed to claim that eating meat is totally harmful . The Prophets and infallible Imams (AS) used to eat mean and Allah (SWT) is ordering us to eat from the meat of the animal which we sacrifice (Sura Al-Hajj, Sura 28).
It is Makrouh (disliked) to eat meat daily for 40 days, and Makrouh as well to abandon eating meat for 40 days. The believers eat a little of meat even if they prefer vegetarian food, but claiming that eating meat is totally harmful contradicts with the Quran and teachings of the Prophets and Infallible Imams.