SWIMBLADDER:

Summary: Swimbladder small, well developed, not attached to rear of skull; anterior part of swimbladder with 2 relatively short, horn-like extensions.
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 small." 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." Reference to Gadus macrocephalus: Page 42 (text) - "...anterior part of swimbladder with 2 relatively short, horn-like extensions..." Nelson 1994: Reference to family Gadidae: Page 237 (text) - "Swim bladder not connected with auditory capsules."