Are McCosker Wrasse hardy?
Lily Fisher
Updated on May 04, 2026
Are McCosker Wrasse hardy?
Similar to its more famous relative Carpenters Flasher Wrasse (Paracheilinus carpenteri) the McCosker’s Flasher Wrasse is hardy and easy to keep. Not only that, they are considered reef safe and make an ideal fish for beginners. They easily change over to prepared foods and are easy to keep.
Do flasher wrasses need sand?
The flasher wrasses are plankton feeders and are very easy to feed in the captive environment. Unlike some other wrasses that sleep in the sand, they do not need a sand bed as flasher wrasses create a mucus cocoon over their bodies for sleeping.
How big do Flasher Wrasse get?
Everything you need to know about the McCosker’s Flasher Wrasse
| Scientific Name | Paracheilinus mccoskeri |
|---|---|
| Temperament | Peaceful |
| Care Level | Easy |
| Diet | Carnivore |
| Max Size | 3-4″ |
What do Flasher Wrasses eat?
The flasher wrasse Paracheilinus eat zooplankton, brine shrimp, and Mysis shrimp. Fish in aquariums should be fed with foods enriched with vitamins like marine pallet food and high-quality marine food.
What do Yellow Coris Wrasse eat?
House the Yellow Wrasse with other peaceful wrasses, including members of its own species. The natural diet of the Yellow Wrasse consists of benthic invertebrates and as such, large, hungry Yellow Wrasse will eat fireworms and pyramidellid snails, protecting corals and clams from these undesirable invertebrates.
Do wrasses need sand?
A 6-line wrasse and fairy/flasher wrasses will be fine without sand in the aquariums. Halichoeres species like the yellow coris or melanurus wrasses as well as the leopard wrasses will require sand in some fashion for optimal care.
Do flasher wrasse sleep in sand?
Flashers and fairies don’t sleep in the sand.
Is a flasher wrasse reef safe?
As one of the more colourful reef safe fish, the Carpenter’s Flasher Wrasse is a popular choice amongst reef keepers. It will not harm invertebrates or corals that it is housed with. They are friendly fish, and not shy.
Are flashers wrasse Hardy?
Not Reef Safe This is a yellow fin flasher, they are hardy. Fairy/flasher wrasse in general can be very shy.
How long do wrasse hide for?
It may subside on its own, but if it persists much longer than 7-10 days you may need to take action.
Are wrasse aggressive?
In the aquarium, male fairy wrasses will fight each other and may display some, but rarely lethal, aggression toward other fish introduced after them. As is the case with many coral reef fishes, fairy wrasses are more likely to attack species with similar color, form or behavior.
How big do yellow wrasses get?
Overview
| Synonyms | None |
|---|---|
| Maximum Size | 12cm (4.7”) |
| Water Parameters | SG: 1.020-1.025, pH: 8.1-8.4 |
| Temperature | Tropical: 24-28 deg C (75-82 deg F) |
| Compatibility | Reef with caution |
What does a McCosker’s flasher wrasse look like?
The vibrantly colored male McCosker’s Flasher Wrasse is predominantly red/orange with blue, horizontal stripes that complement its yellow stomach. The orange dorsal fin is accented with red, yellow, and blue and features a single elongated ray. A gorgeous, red band across the orange anal fin creates an impressive and bold color palette.
How do you care for a McCosker’s wrasse?
McCosker’s Wrasse is best kept in a tank with a tightly sealed lid to prevent potential escapes and should be well stocked with live rock and have a sandy substrate. This wrasse will consume a carnivorous diet of fleshy squid, clams, shrimp, and frozen meaty preparations.
Is flasher wrasse reef safe?
McCosker’s Flasher Wrasse, Paracheilinus mccoskeri, is an excellent reef safe wrasse species that will be a hit in most home aquariums. It features a beautiful apple-red body with horizontal blue striping and flaring dorsal and caudal finnage.
What does a wrasse look like in an aquarium?
This hardy wrasse species adapts well to established home aquariums, making it a beautiful and active addition. The vibrantly colored male McCosker’s Flasher Wrasse is predominantly red/orange with blue, horizontal stripes that complement its yellow stomach.