FIGURE 2 in Description of a new genus of ponyfishes (Teleostei: Leiognathidae), with a review of the current generic-level composition of the family

FIGURE 2. Internal and external features of light-organ system (LOS) in members of Photolateralis. (A) Male P. stercorarius external LOS anatomy. (B) Male P. stercorarius internal LOS anatomy. (C) Female P. stercorarius internal LOS anatomy. Figure abbreviations: es = esophagus, g = gut, gb = gas bladder, lo = circumesophageal light organ, mls = translucent midlateral stripe. Stippled region on posterolateral region of gas bladder corresponds to clearing of silvery guanine lining in region internal to translucent mid-lateral stripe. Yellow region on light organ corresponds to "window" that is directed and opens into the gas bladder.