I don't know about you, but I absolutely love just looking at neat fish species. Here are some that I found particularly interesting when browsing the WYSIWYG section on LiveAquaria.
Yellow flanked fairy wrasse:
Yellow-fin fairy wrasse:
Vanuatu Pylei wrasse:
Spikefin goby:
Sumatran Blueface angelfish:
Caribbean rooster hogfish:
Blue spot jawfish:
Hawaiian pinktail triggerfish:
Juvenile Oriental Sweetlips
Marshall Island mystery wrasse:
Hawaiian four line wrasse:
Yellow Weedy Scorpionfish:
Blue lyertail gudgeon dartfish:
Fiji blue lined rabbitfish:
Tongan male banana wrasse:
Christmas Island crosshatch triggerfish pair:
Yellow flanked fairy wrasse:
Yellow-fin fairy wrasse:
Vanuatu Pylei wrasse:
Spikefin goby:
Sumatran Blueface angelfish:
Caribbean rooster hogfish:
Blue spot jawfish:
Hawaiian pinktail triggerfish:
Juvenile Oriental Sweetlips
Marshall Island mystery wrasse:
Hawaiian four line wrasse:
Yellow Weedy Scorpionfish:
Blue lyertail gudgeon dartfish:
Fiji blue lined rabbitfish:
Tongan male banana wrasse:
Christmas Island crosshatch triggerfish pair: