Page 158 - 《水产学报》2026年第2期

2 期 PASSMORE Roland Madziva，等：银灰半棱鳀仔稚鱼的脊柱和附肢骨骼发育 50 卷

body length/mm
5 10 15 20 25 30 35
caudal fin
hypural
parhypural
uroneural
opisthural
principal fin ray

dorsal fin
proximal radials
distal radial
fin ray
stay bone

anal fin
proximal radials
distal radial
fin ray
stay bone

pectoral fin
cleithrum
coracoid
scapula
supracleithrum
posttemporal
fin ray

pelvic fin
basipterygium
metapterygium
fin ray

vertebral column
haemal arch spine
neural arch spine
centrum
supraneural

cartilage partial ossification full ossification
Fig. 1 Timeline of cartilage formation and ossification at different body lengths in E. punctifer

4 CONCLUSION specialised skeletal system. The ossification sequence
follows a typical pattern observed in other vertebrates,
Like other teleosts, E. punctifer features a highly where cartilaginous elements form first, followed by

中国水产学会主办 sponsored by China Society of Fisheries https://www.china-fishery.cn
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