Most nudis are elongated but since there are around 2,000 species of them, there's plenty of room for variation.

2003:09:06 18:18:15
Island: Sangang Island
Dive Site: Black Magic
Speed: 1/100 sec
Aperture: f2.6
ISO: 64
Exposure Compensation: 0.0
Exposure Program: Aperture Priority
Focal Length: 21 mm
Flash: