Thats kinda like asking what color of human hair is the hardiest. Blue and red are dominant traits like brunette hair, while the rarer colors are like natural blondes. If they are well bred (not overbred) and they have a lower maintenance tail type (veiltail, crow, or plakat), then color doesn't matter.
Betta fish change color by there environment and the types of food that you feed it. If your Betta fish is loosing color that means that your Betta is sick.
A betta fish is named after her for the dark colors. Betta Persephone
Brown
Mostly goldfish.Well actually a common goldfish. For a tropical tank, zebra danios are extremely hardy. Ask at your local fish shop, they'll give you the best answers for your locality.
The fish with a curled tail is likely a Siamese fighting fish, also known as a Betta fish. Betta fish are known for their vibrant colors and flowing fins, as well as their distinctive curled tail shape.
Boys have more colors than girls....THE PRETTIER ONE
Male betta fish are really colorful and generally larger. Female betta fish are clear colored and small. Male betta fish are probably the easiest to find as well.
Betta fish are usually multiple colors like turquoise on the tail fin and blue on the body and purple on the top fin. They can be one color like red and light red and dark red.
Red and Blue some may look purple but are really blue
The betta fish that you buy at Walmart or a pet shop are raised in captivity and bred for their long fins and rich colors. The original betta(Betta spendens) came from Siam, now Thailand, where it lives in small ponds. The wild fish is smaller and not as colorful as its domestic counterpart, but just as feisty with others of its kind.
Ah, happy little fish friends! Betta fish are known for their vibrant colors and long, flowing fins, while tetra fish are smaller and often swim in schools. Both are beautiful in their own way, just like different colors on our palette. Remember, each fish is special and unique, just like you are!
No betta fish are carnivores.