National Geographic : 1993 Nov
V Vith designs beyond imagination, reeffishes present an ever shifting kaleidoscope of shapes, colors, and behavior. When mature,ajuvenile emperor angelfish (right)will jealously guardits feeding ground. The coralgrouper (below) opens its cavernous maw as it attacks, creatingsuc tion to draw in its victim. Flat bodiedyellow butterfly fish, which usually travel in pairs, join a rare crowd crossing the face of the reef,where they slip easily through narrowpassages to forage. The Picasso trigger fish can raiseits spines at will, enablingit to thwartpredators by locking itself in a crevice.
1993 Nov 30