F in A systematic revision of the African catfish genus Parauchenoglanis (Siluriformes: Claroteidae)

F. 3. Posterior body region of Parauchenoglanis species. (a) Typical low and long caudal peduncle, with its minimal height (MnCPH) comparable to the horizontal distance between the bases of the adipose and caudal fin (AdCID); (b) typical high and short caudal peduncle, with the MnCPH significantly greater than the AdCID (scale=10 mm).