Here is some facts about them from my shark and ray thread:
Coral Catshark:
Scientific Name: Atelomycterus marmoratus
Max. Size: 27.3"
Average adult size: 25"
Min. Tank Size: 240-300g
Min. Pond/ Custom tank deminsions: 7'x3-3.5'x2-2.5'
Distribution: Pakistan to New Guinea,the Phillippines, Thailand, China, and southern Japan. Commonly seen along the Indonesian reefs at night.
Water Temperature:72-82 degrees F
Aquarium Suitablity: 5 out of 5
Feeding Schedule: 2-3 times per week
Diet: Marine invertabrates and bony fishes. May try to eat other tankmates. "Coral Catsharks are more voracious that bamboo sharks and will attempt to eat fishes kept with them, even if they are too large to swallow whole." (Scott W. Michael, Aquarium Sharks and Rays)