帝王黑燈 (Hyphessobrycon nigricinctus)

帝王黑燈是 2004年被發表的南美小型加拉辛品種, 原產地位於秘魯與玻利維亞的界河 Rio Madre de Dios, 能被冠上帝王之名, 這魚當具備王者的特質, 體側上那深藍色的寬帶, 表現最為注目, 寬帶以上, 還長有青黃不定的亮線, 眼睛上虹膜, 背鰭, 尾鰭, 脂鰭及臀鰭均呈紅色, 當同族間互相展示或發情時, 鰭翅上的紅色色澤就更加鮮艷了, 而雄魚與母魚之間的分別特徵, 在於雄魚背鰭及臀鰭較母魚高闊, 當銳的雄魚, 腹鰭更會展示出黃色的色彩, 由於帝王黑燈採集輸出率不定, 當遇上時就好把握收集的機會

小紅鉛筆 (Nannostomus marginatus)

個性文靜可愛的小型紅鉛筆, 體長大概只有3cm, 身體呈金黃色, 其上長有三條橫向黑帶, 上及中線黑帶較粗, 由吻部伸展至尾鰭為止, 下線黑帶較幼, 生長在腹部位置, 中線黑帶位置, 背鰭, 臂鰭及腹鰭上, 長有紅色的色斑, 色彩鮮明, 而且對食餌不挑, 可算是飼養容易的入門種;

小型紅鉛筆產地分佈廣泛, 以下是節錄自seriouslyfish 對該種的產地報告:-

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, Javari, Ampiyacu, and Putumayo in Peru, the Napo in Ecuador and Peru, Juruá in Brazil, and throughout most major left-bank tributaries of the Amazon in Brazil, including the Japurá, Negro, Branco, and Trombetas.
Records from the upper Río Orinoco in Venezuela also exist but may require confirmation.

Seriouslyfish 對該種的報告原文