McCosker's Flasher Wrasse, Male

(Paracheilinus mccoskeri)

Paracheilinus Wrasse should be added to well established aquariums with plenty of room to swim. Plenty of rock work with cracks and crevices should be provided for resting and hiding. Paracheilinus Wrasse are also known as flasher Wrasse as they flash vibrant colors and their fins during matting season and if threatenedd. A diet of meaty foods along with Wrasse preperations should be provided. Flasher Wrasse are hardy, reef safe and relatively peaceful. They can be kept with other Wrasse and communal fish in appropriate sized aquarium. Provide a diet rich in meaty based foods. Wrasse are hermaphrodites meaning they start as juveniles/females but at some point in their life may turn into a male. Wrasse are jumpers, provide an aquarium with a tight fitting lid.

The McCosker's Flasher Wrasse are also sometimes known simply as McCosker Wrasse. Occasionally seen in the aquarium trade. McCosker's Flasher Wrasse coloration may vary depending upon maturity, collection area or breeding period. Males have an orange to red body with a yellow belly and horizontal blue stripes while females are more subdued and lack the elongated dorsal fins. McCosker's Flasher Wrasse can grow to a little over 3".

We recommend a minimum aquarium size of 50 gallons or larger for this species.

Water conditions: Salinity 1.020 - 1.025, Temp (F) 72 - 78, pH 8.1 - 8.4, Alkalinity 8 - 12 dKH

  • Care: CareEasyEasy
  • Behavior: BehaviorSocialSocial
  • Diet: DietFlake FoodFlake Food DietFrozen FoodFrozen Food DietLive FoodLive Food
  • Habitat: HabitatReefReef
  • Light: LightMediumMedium