Front half of the body is metallic blue, rear half is orange to reddish. Laterally compressed body, forked tail, and streamlined shape. Males are more colorful and develop brighter orange-red coloration with age. Females are slightly duller and smaller.
Iridescent blue body with a neon-like shine along the lateral line. Transparent fins with slight yellow or reddish tints in males. Laterally compressed body, forked tail. Males are slightly larger and more colorful; females are smaller and less vivid.
Iridescent blue body with slight yellow or silver highlights along the lateral line. Transparent fins with slight orange or red hues in males. Laterally compressed, streamlined body with forked tail. Males are slightly larger and more colorful; females are smaller and less vivid.
Vibrant red-orange body with iridescent scales. Laterally compressed, streamlined body with forked tail. Males are more intensely colored and slightly larger; females are paler and smaller. Transparent or slightly orange-tinted fins.
Iridescent body showing blue to green hues, sometimes with yellow undertones. Laterally compressed, streamlined body with forked tail. Males are more brightly colored and slightly larger; females are paler and smaller. Transparent fins with subtle hints of yellow or orange.
Bright orange-red body with metallic blue highlights on the dorsal and lateral areas. Laterally compressed, streamlined body with forked tail. Males are larger and more vividly colored; females are smaller and paler. Transparent fins with subtle yellow or orange tints.
Bright red-orange body with metallic blue highlights on dorsal and lateral areas. Laterally compressed, streamlined body with forked tail. Males are larger and more vividly colored; females are smaller and paler. Transparent fins with subtle orange tints.
Slender, laterally compressed body with long, thread-like extensions on the dorsal and anal fins. Body color ranges from silvery-blue to light green with hints of iridescent sheen. Males have more pronounced and elongated fins; females are smaller with shorter fins.
