Hi this is a section from Live Aquaria on the Red Coris wrasse, I have a Gold Coris Wrasse for about 3 years in my 30 gal
. reef very shy and dosen't bother anyone. The Red Coris seems to be different as far as its aggresion goes according to this site. Hope this helps.
The Red Coris Wrasse, also known as the Clown Wrasse, Red Labrid, or Yellowtail Coris, can be found on almost every reef in the Indo-Pacific and Hawaiian Region, and extends all the way into the Red Sea. Adult specimens in the wild can easily grow to a foot, but in an aquarium, they rarely exceed 6-8 inches. The juvenile and adult appearances vary greatly. As a youth, the body color is orange with white tiger stripes or spots across the back. The stripes and fins are outlined in black. In adulthood, the body takes on a speckled blue coloration, the fins are decorated with yellows, reds, and blues, and the face is orange with green stripes. The male has a light green stripe on the body, just above the anal fin.
The Red Coris Wrasse requires a 100 gallon or larger aquarium with a sandy bottom into which it will burrow to sleep, or if it is threatened. Do not attempt to keep the Red Coris Wrasse on crushed coral or similar substrate as they have a poor survival rate on such substrates. When very small, Red Coris are safe with almost any fish that will not eat them, but as they grow, they can become destructive. They should not be kept with invertebrates.
The Red Coris Wrasse feeds mostly on shelled mollusks in the wild including hermit crabs, urchins, crabs, and occasionally tunicates. Aquarium specimens should have meaty items, vitamin-enriched shrimp, and brine shrimp three times daily.
Approximate Purchase Size: Juvenile Small: 1" to 1-3/4"; Juvenile Medium: 1-3/4" to 2-1/4"; Juvenile Large: 2-1/4" to 3-1/2"; Small: 1-1/2" to 3"; Medium: 3" to 4"; Large: 4" to 6"
Please note: We guarantee that ALL aquaria species we offer will arrive alive and in good condition. However, because of the increased level of care required for this particular species, it has been designated as "Expert Only," (R) and we cannot guarantee it after arrival. As an Expert Only species, we recommend that only the expert marine aquarist, zoo, or research institution should purchase this species.