McCosker's Flasher Wrasse (Paracheilinus mccoskeri)
Family: Labridae (Hogfish, Wrasses)
Natural Range: Indian Ocean
Depth: 6 to 163 ft. Size: 2.5 in. Jumps: Yes Space: 20+ gal.
Reef Safe: Yes Care Level: Easy Temperament: Peaceful
Natural History: McCosker's flasher wrasse occurs on the outer margins of reefs in rocky areas. It is often found as groups of females with males traveling between groups. Juveniles are more solitary, hiding secretively among rocks in crevices. Males often display for females, erecting their fins with dazzling colors. They possess a double lens in their eyes to spy very small planktonic foods to eat.
Husbandry: Male McCosker Flasher Wrasses are aggressive only with other males; otherwise this species should be housed with peaceful tankmates. It is rare in the North American aquarium trade.
Reproduction: This species can change sex; usually the largest female in the group becomes a male.
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