Noun
the tail of fishes and some other aquatic vertebrates
Source: WordNetAn additional caudal fin covers the post-anal tail. Source: Internet
Finlets are found between the last dorsal and/or anal fin and the caudal fin. Source: Internet
In particular, the fins immediately upstream of the caudal (tail) fin may be proximate fins that can directly affect the flow dynamics at the caudal fin. Source: Internet
It is a common name for the oldest living line of Sarcopterygii, citation referring to the hollow caudal fin rays of the first fossil specimen described and named by Louis Agassiz in 1839. Source: Internet
Sexual dimorphism is slight, the male’s caudal fin being more pointed. Source: Internet
Sharks possess a heterocercal caudal fin in which the dorsal portion is usually noticeably larger than the ventral portion. Source: Internet