Lampanyctodes hectoris (Myctophidae) from Wikimedia Commons:
http://commons.wikimedia.org/wiki/File:Lampanyctodes_hectoris_(Hector%27s_lanternfish)2.png
2.png){kind=link}
1 = operculum rear margin (gill cover), 2 = lateral line, 3
= dorsal fin, 4 = adipose fin, 5 = caudal peduncle, 6 =
caudal fin, 7 = anal fin, 8 = photophores, 9 = pelvic fins (paired), 10
= pectoral
fins (paired)