As long as a wrasse remains under the stress of domination, its body apparently does not produce the hormones necessary to effect a sex change.
This wrasse's journey from a reef off Sumatra to a Hong Kong restaurant table has been furtive, circuitous and lengthy--up to two months--which explains the fish's high price on .
At 30 meters the narrow, vertical frame of a two meter-long napoleon wrasse slices through the water in search of prey, while barracuda, flashing their vicious teeth, swim by .