| Name: | caudal fin |
|---|---|
| Synonyms: | tail, tail fin |
| Definition: | Fin that is the most posterior median fin. It is composed of a complex of three modified centra and modified neural and hemal arches and spines. |
| Ontology: | Anatomy Ontology [ZFA:0001058] |
| Name: | vertebra |
|---|---|
| Synonyms: | vertebrae |
| Definition: | All serially repeated ossified, cartilaginous, and ligamentous elements around the notochord (Schultze and Arratia, 1988). Adult zebrafish usually 32 vertebrae but may have as few as 30 to as many as 33 vertebrae. |
| Ontology: | Anatomy Ontology [ZFA:0001189] |