- paracaudal organ
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a fatty organ opening through pores on the caudal fin of Engraulidae. The organ is hypothesised to release stock specific fatty substances
Dictionary of ichthyology. 2009.
paracaudal organ
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alar scale — one of the enlarged, elongate flap like scales at the base of the caudal fin, e.g. in Alosa, Sardina, Sardinops, Harengula. Called paracaudal organ in the anchovy. Probably related to fast swimming … Dictionary of ichthyology
