develops from
develops from
existence starts during or after
start stage
basibranchial
copula 1
basibranchial 1
TAO:0001223
zebrafish_anatomy
ZFA:0001223
Basibranchial 1 ossifies posterior to the basihyal and anterior to the first hypobranchials in copula 1 (7.6 mm).
larval:days 14-20