Nannostomus mortenthaleriCoral Red Pencilfish
Paepke & Arendt, 2001
Matched on the common name Coral Red Pencilfish
Max length
30mm SL1.2in SL
This species is traded under various other names including 'red arc pencilfish', 'Peruvian red pencilfish', 'ruby red pencilfish', 'red pencilfish', and Nannostomus cf. marginatus 'red'. It was initially described as a subspecies of N. marginatus but can be identified by the following combination of characters: pronounced sexual dimorphism with adult males exhibiting bright red pigmentation between the central...