Organ that consists of a pouch located on the ventral caudal-fin lobe, opening posteriorly, and composed of glandular tissue. The caudal-fin organ presumably functions to secrete pheromones during courtship. [ TAO:wd ]
Synonyms: caudal sac caudal fin organ
Term information
Definition reference: Weitzman SH, Menezes NA. 1998. Relationships of the tribes and genera of the Glandulocaudiinae (Ostariophysi: Characiformes: Characidae), with a description of a new genus. In: Malabarba LR, Reis RE, Vari RP, Lucena ZMS, Lucena CAS, editors. Phylogeny and Classification of Neotropical Fishes. Porto Alegre: EDIPUCRS. p 171-192.
This class was sourced from an external ontology (teleost_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon