To be kosher, fish need scales and fins. The dictionary definition of cat fish is "Any of numerousscaleless, chiefly freshwater fishes of the order Siluriformes, characteristically having whiskerlike barbels extending from the upper jaw"
Because it doesn't have fins and scales (See Deuteronomy ch.14).
Specifically, it does not have scales. Catfish, like adult swordfish, have a skin, which is formed by one continuous surface as opposed to scales, which we can see on tuna and salmon.
No. Swai is a type of catfish, and catfish are not a kosher species of fish.
Basa fish, just like all other forms of catfish, is not kosher.
Cream Dory is a species of catfish and is NOT kosher.
Sawfish, also know as Carpenter Shark, are a family of rays. These fish are not kosher as they do not meet the two requirements of kosher fish: movable fins and easily removed scales.
Sharks, rays, eels, and catfish are all good examples of fish (in the traditional sense) that are non-kosher.
Like a catfish
There are certain "swimming" fishes that are kosher, such as salmon, tuna, yellowtail, tilapia, sole, halibut, flounder, etc. However, some fishes and all non-fishes are not kosher, such as catfish, shark, shrimp, lobster, mussels, langostines, squid, octopus, etc.
A male catfish
There are many fish in the catfish family, but here is a list of selected common species; Blue catfish-Ictalurus Furcatatus, Channel catfish-Ictalurus Punctatus, White catfish-Ameiurus Catus, Flathead Catfish-Pylodictis Olivaris.
Catfish can swim. Some Amazonian catfish can eat people
Catfish can swim. Some Amazonian catfish can eat people
No. Krill is not kosher. The criteria for kashrut in aquatic species is that they must have fins and scales. Krill are related to shrimp, and have segmented outer shells known as exoskeletons. Most fish with scales are kosher.