The second detail to notice to help you place the fins is to compare where each fin intersects the body while comparing the top and the bottom fin positions. Does the ventral fin start in front of or behind the dorsal fin?
Chaetodon melannotus 9c
The second detail to notice to help you place the fins is to compare where each fin intersects the body while comparing the top and the bottom fin positions. Does the ventral fin start in front of or behind the dorsal fin?