SWIM BLADDER:

Summary: Swimbladder large, well developed, not attached to rear of skull.
Literature: Jordan and Evermann 1898: Reference to family Gadidae: Page 2531 (text) - "Air bladder generally well developed." Reference to Gadus morhua: Page 2540 (key) - "Air bladder large." Cohen et al. 1990: Reference to family Gadidae: Page 14 (key): "Swimbladder either lacking anterior projections, or, if present, not attached to rear of skull." Page 18 (text) - "Swimbladder not connected to rear of skull." Nelson 1994: Reference to family Gadidae: Page 237 (text) - "Swim bladder not connected with auditory capsules."