Nannostomus marginatus – Dwarf Pencilfish (Nannostomus ... | 水產百科網

2014年6月16日—Thisspeciesisenduringlypopularintheaquariumhobbyandisoneofagroupofcongeners,alsoincludingN.mortenthaleri(originally ...

Nannostomus marginatus picturatus Hoedeman, 1954

Nannostomus: from the Latin nannus, meaning ‘small‘, and Greek stoma, meaning ‘mouth’, in reference to the small mouthparts of member species.

marginatus: from the Latin marginatus, meaning ‘with a distinct margin, marginated’.

Order: Characiformes Family: Lebiasinidae[1][2]

Type locality is ‘Maduni Creek, Guyana’, and this species is widely-distributed throughout Guyana and Suriname, plus the middle-to-lower Amazon basin east of the Andes mountains in Peru, Colombia, and Brazil.

Records thus exist from various major river systems including the Rupununi, Takutu, Essequibo and Demerara in Guyana, the Nickerie and  Courantyne/Corantijn in Suriname, Inírida and Caquetá in Colombia, the Ucayali, Ja...