develops from
develops from
existence starts during or after
start stage
swim bladder
zebrafish_anatomy
TAO:0000076
ZFA:0000076
The swim bladder is a double-chambered organ located in the coelom and used to maintain buoyancy and may function as an acoustic resonator. The zebrafish does not appear to have a gas gland, but it is not yet clear if there are gas producing cells distributed more widely.
gas bladder
cavitated compound organ
swim bladder bud
hatching:pec-fin