Siamese Fighting Fish Betta splendens

Physical characteristics Siamese fighting fish reach a length of about 2 inches (6 centimeters). They have a long tube-shaped body. Some species have large fanlike dorsal, anal, and tail fins. Wild Siamese fighting fish have a bluish body and blue and red fins. There are two shiny marks on the gill cover. Males have larger fins and are more brightly colored than females. Geographic range Siamese fighting fish live in Southeast Asia and in areas where they have been accidentally released, such...

Scarus iseri

Physical characteristics Striped parrotfish reach a length of about 14 inches (35 centimeters). In their first phase of life, these fish have dark stripes extending from head to tail. The most prominent stripe goes through the eye and nearly to the tail. Males in the final life stage are turquoise. Geographic range Striped parrotfish live in the eastern part of the Atlantic Ocean from Florida to Brazil. Habitat Striped parrotfish live on reefs. Diet Striped parrotfish eat algae, which they...

Freshwater Angelfish Pterophyllum scalare

Physical characteristics Freshwater angelfish are about 3 inches (7.5 centimeters) long. The combination of large triangular dorsal and anal fins above and below a round body gives the fish a diamond-shaped profile. The body is very narrow from side to side. Adults are silver with four dark stripes that extend from the top to the belly of the fish. The young have seven dark bars. Geographic range Freshwater angelfish live in South America. Freshwater angelfish are peaceful fishes that hide in...