Term: caudal fin integument
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: integument
Synonyms: skin
Definition: The outer protective barrier that separates the animal from its aquatic environment.
Ontology: Anatomy Ontology [ZFA:0000368]