if they live on land, if its in the water than nope
In the Old Testament, shellfish such as shrimp, crab, lobster, and other forms of seafood without fins and scales were considered unclean and forbidden to be eaten by the Israelites. This is outlined in Leviticus 11:9-12.
Sea tutles do not have any fins. They do have 4 legs though.
I do not know of any mammal (mammals are the only animals to have hair) that has fins (fins are the preserve of fishes), but a sea-lion is an animal that is covered in hair and has "flippers".
No
Eels. Eels do not typically have pectoral fins (general area of animalia arms), nor do they have pelvic fins (the general animalia area of legs). Dorsal and anal fins are typically fused along the back around the tail and over the belly with the caudal fin a a ribbon-like structure.
By moving their fins
A biological desert is an area without life. For instance, one is the majority of the deep blue sea(far from coastlines), where there is hardly any fish life (If at all any)
Turtles are water-dwelling reptiles, so they have webbed feet but they do not have fins like a fish or dolphin.
fins and dorsal fins, and back tail flipper thingy
no
yes
First, for the purposes of this question, I am narrowing the analysis to Jews who keep kosher, e.g. follow the dietary laws, and also ignoring any personal allergies.No. Octopus is explicitly prohibited as it is a sea creature without fins and scales.