Examples of Fishes listed below with the Combination of Fins & Scales:

Leviticus 11:9-12 – 9. These shall ye eat of all that are in the waters: whatsoever hath fins and scales in the waters, in the seas, and in the rivers, them shall ye eat. 10. And all that have not fins and scales in the seas, and in the rivers, of all that move in the waters, and of any living thing which is in the waters, they shall be an abomination unto you: 11. They shall be even an abomination unto you; ye shall not eat of their flesh, but ye shall have their carcases in abomination. 12. Whatsoever hath no fins nor scales in the waters, that shall be an abomination unto you. 

THE HEBREW WORD FOR SCALES: KJV Strong's Concordance #H7193
qaśqeśeth kas-keh'-seth
By reduplication from an unused root meaning to shale off as bark; a scale (of a fish); hence a coat of mail (as composed of or covered with jointed plates of metal): - mail, scale

Surgeonfish - Parrotfish - Sardine - Salmon (Incl. Sockeye Salmon aka Reds) - Herring - Sprat - Anchovy - Mullet - Black Promfret (aka Monchong) - Minnow - Smelt - Grunt - Butterfish - Musky - Shad - Tarpon - Sea Bass - Bream - Snapper - Perch - Trout -Haddock - Whitefish - Pike - Whiting - Sheepshead - Pickerel (aka Walleye) - Rockfish - Cod - Pollock (aka Pollack) - Croaker (aka King Fish) - Carp - Tilapia -

***Please remember to always make sure that your fish is Wild Caught and Not Farm-Raised! Also, please be aware that some fish carry high levels of mercury and parasites (worms) which aren’t good for our temples and this is because the water creatures that were created to clean and filter the different bodies of water are being eaten so there’s less abundance of them to clean. Please view the names of these creatures and their functions shown further below! Also, make sure the fish is thoroughly cooked and Not to be eaten raw (sushi); when eaten raw, you’re putting yourself at high risk for parasites!!! As always, ask the HOLY Father for guidance on your research journey!!!***   

Article on the different species of Salmon: https://www.thespruceeats.com/types-of-salmon-4098993

Article on which Salmon to buy: http://www.eatingwell.com/article/75956/which-salmon-should-i-buy/

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Examples of Fishes listed below without the combination of Fins & Scales including Bottom Feeders:

Leviticus 11:10-12 – 10. And all that have not fins and scales in the seas, and in the rivers, of all that move in the waters, and of any living thing which is in the waters, they shall be an abomination unto you: 11. They shall be even an abomination unto you; ye shall not eat of their flesh, but ye shall have their carcases in abomination. 12. Whatsoever hath no fins nor scales in the waters, that shall be an abomination unto you. 

Sturgeon (Not to be confused with the Surgeonfish) - Tuna (Info. on Tuna further below) - Catfish - Suckerfish - Puffer Fish (aka Blowfish) - Toadfish - Mackerel - Marlin - Swordfish - Sailfish - Wahoo - Basa - All Sharks incl. Sawfish (aka Carpenter Sharks) - Elasmobranches - Black Dragonfish - Sunfish (aka Mola Mola)

How to Clean a Mackerel (Fish without scales) - YouTube - Short video showing Mackerel fish cleaning while confirming that it does not have any scales!

Please view this cool video of a Mola Mola (sunfish) (https://www.youtube.com/watch?v=nbgC-0f_aP4)

Mahi Mahi aka Dolphinfish aka Dorado, please read the info. from the link and decide for yourself: https://www.answers.com/Q/Does_a_mahi_mahi_fish_have_scales

***BOTTOM FEEDERS (aka GROUNDFISH) INCLUDING FLATFISHES:

Some bottom feeders have Barbels aka Whiskers from singular to multiple and from tiny to large. These barbels are sensors to help search for their food (Ex. shrimp, sand fleas, clams, etc.) at the very bottom of their habitat whether it be the seas, lakes, ponds, etc.; (including murky waters, in Mud and Sand).

CATFISHES: Catfish aka Mudcat (All varieties of catfishes including the Mudfish & Bullhead), Suckerfish, etc.

FLATFISHES (Incl. the Plaice & Common Dab Species): Brill, Sole, Halibut, Turbot, Flounder (aka Fluke), Megrim, Skate. *Please view this Example video of a Halibut: https://www.youtube.com/watch?v=BR-DhL_7kbU

SHELLFISHES aka Crustaceans: Lobster, Shrimp, Prawn, Crayfish (aka Crawfish, Crawdad), Krill, Crab

SHELLFISHES aka Mullusks/Bivalves: Abalone, Clam, Mussel, Oyster, Scallop, Conch (Konk)

***CLEANERS & FILTERERS:

Shrimp, crabs, lobsters and suckerfishes are some examples of Cleaners and Shellfishes like clams, oysters, mussels, etc. are Filterers. These types of sea creatures keep the body of waters clean so that we can eat & enjoy the clean fishes we are Commanded to eat with peace of mind. However, in this day and age, where everything is Seafood (See and it is food), the water has gotten less and less clean with more Parasites, and toxins like Mercury, related Chemical Compounds, and Pollutants, so we Thank the Most HIGH GOD for His mercy in protecting our temples!!!

***Additional Water Creatures without Fins & Scales:

SOFT-BODIED: Cuttlefish, Jellyfish, Limpet, Octopus, Squid (Food Name: Calamari)

WATER MAMMALS: Dolphin, Porpoise, Whale, Seal, Walrus, Manatee, Otter, Beaver, Platypus, etc.

All WATER SNAILS: (Food Name: Escargot - Pronunciation: S-Car-Go) and All WATER SLUGS

WATER SNAKES: Hagfish, Eel, Coral Reef Snake, Cottonmouth Snake (aka Moccasin)

REPTILES: Alligator, Caiman, Crocodile, Lizard, Komodo Dragon, Snakes, Sea Turtle

AMPHIBIANS: Frog, Toad, Newt, Salamander, Caecilian 

Different food names for Frog legs so you’ll be aware and not be mistaken when you travel: English: Frog legs - The most widely used term, especially in the United States, often associated with Cajun cuisine in Louisiana. - China: "Chicken in the rice field" (田雞) (Slang: “Field Chicken”) & Zijian niuwa (A spicy bullfrog dish) - France: Cuisses de grenouille - Philippines: Adobong palakâ - Spain: Ancas de rana al ajillo - Italy: Riso e rane - Source: Google search

CATFISH - https://www.youtube.com/watch?v=Av_rx0oyog4

Please view the Article links below for further research.

https://en.wikipedia.org/wiki/Barbel_(anatomy)

https://www.youtube.com/watch?v=Av_rx0oyog4 - Catfish walking on land

Yellowfin Tuna

***TUNA FISH

All TUNA of its kind are without Scales: - Skipjack aka Jack or Aku (mainly found in canned & pouched packaging), Yellowfin (aka Ahi or Bigeye tuna), Blackfin, Bluefin, Albacore (white meat), Bonito or Tombo.

A Tuna Does NOT have the full-bodied armor of protection in having overlapping scales all over its body which means it is prone to getting parasites and toxins like mercury & parasites and is one of the most popular fish that is served in Sushi restaurants! Also, from our research and observation, its fins and other characteristics (i.e., smooth-bodied & having non-retractable fins) are similar to the Marlin & Swordfish (bill-family), Dolphins, and Sharks! If you compare a fish with a full body armor of overlapping scales and the tuna fish, you can clearly see the differences; tunas have Smooth skin by not having the Armored Scales on their bodies. When you remove the scales from a regular fish you can still see and feel where its armored scales once were!!!” Please continue reading for additional info. below on the Tuna!
Article References including the titled subjects below (Scales, Toxicity, Endothermic, Finlets, and No Swim Bladder) - Article link further below:

***SCALES: “Tunas have a few small visible scales on the sides of their head and have rudimentary (undeveloped) scales imbedded under the surface of their skin throughout their body. Rudimentary scales are extremely small, almost microscopic, non-overlapping scales. Tuna is a fish that is primarily a scale-less, smooth-bodied skin fish, are often infested with parasites. Tunas do not have overlapping scales covering the vast majority of their large bodies to shield them from parasitic worms and toxins that can easily penetrate their unprotected skin.

***TOXICITY:
Fish without scales have a higher level of toxicity in their flesh than fish with scales. Tuna and mackerel fish have varying high levels of mercury content that can cause long-term health problems for adults, pregnant women, infants and children. Pacific bluefin tunas are top predators and as such they are superb swimmers. They swim across the Pacific Ocean during their life cycles before being caught, packaged, and sold for human consumption. Pacific bluefin tunas have been contaminated with trace amounts of radioactivity acquired from the Japanese Fukushima nuclear reactor accident of March 2011 that continues to leak radiation into the Pacific Ocean to this day [5].

***ENDOTHERMIC (WARM-BLOODED):
Tunas are endothermic, meaning they are warm-blooded or partially warm-blooded. Tunas can maintain a body temperature higher than that of the surrounding water. Tunas are closely related to other large endothermic, unclean billfish. Endothermic warm bloodedness is a characteristic trait that tunas share with billfish, marlins, sailfish, sharks, spearfish, swordfish, and marine mammals (dolphins, porpoises, seals, whales).

***FINLETS:
Tunas and other scombrid fish have finlets located on the dorsal and ventral (rear top and bottom) of their body between their dorsal and anal fins and the caudal fin. These finlets are rigid, non- retractable appendages that are somewhat crustacean-like in appearance and texture. Any fish with any kind of non-retractable fins, like sharks and whales have, …

***NO SWIM BLADDER:
Tunas do not possess swim bladders to help regulate their buoyancy in water. Tunas must swim continually to prevent sinking to the sea floor bottom. Having no swim bladder is a characteristic that tunas have in common with…” ***
Please read this Very Important Article from the link below on Tunas & Flatfishes: http://scripturetruthministries.com/2018/03/23/tunas-and-flatfishes-unclean/