ANAL OPENING:
Summary: Vent submedian, below front of second part of dorsal fin.
Literature: Jordan and Evermann 1898:
Reference to family Gadidae: Page 2531 (text): "...vent submedian. ."
Reference to genus Gadus: Page 2532 (key) - "Vent below second dorsal..."
Reference to Gadus morhua: Page 2541 (text) - "...vent under front of second dorsal fin..."