dorsal fin retractor

Term ID

ZFA:0005817

Synonyms

• retractor dorsalis

Definition

Anterior longitudinal muscles of the dorsal fin. That originates from the caudal end of the dorsal fin base, stretches along the midline between the right and left epaxial muscles, and inserts at the dorsal base of the tail fin. Contracting the dorsal retractor will lower the fin. (1)

Appears at

Unknown

Evident until

Adult (90d-730d, breeding adult)

References

Ontology

Anatomy Ontology