Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 28. Chapters: Mexican tetra, Neon tetra, Black phantom tetra, Black neon tetra, Black tetra, Green neon tetra, Lemon tetra, Rummy-nose tetra, Hyphessobrycon, Cardinal tetra, Mimagoniates microlepis, Hemigrammus erythrozonus, Astyanax, Silvertip tetra, Copella, Flame tetra, Red eye tetra, Moenkhausia, Congo tetra, Pristella maxillaris, Thayeria boehlkei, Brycinus longipinnis, Moenkhausia pittieri, Astyanax jordani, Bloodfin tetra, Serpae tetra, Hyphessobrycon erythrostigma, Ember tetra, Buenos Aires tetra, Hyphessobrycon columbianus, Head & Taillight tetra, Paracheirodon, Costello tetra, Ctenobrycon spilurus, Hyphessobrycon heterorhabdus, Adonis tetra, Mimagoniates inequalis, Yellow-tailed African tetra, Hyphessobrycon rosaceus, Hyphessobrycon ulreyi, Mimagoniates lateralis, Glass bloodfin tetra, Hyphessobrycon minor, Dawn tetra, Blue tetra. Excerpt: The lemon tetra, Hyphessobrycon pulchripinnis, is a species of tropical freshwater fish which originates from South America, belonging to the family Characidae. It is a small tetra growing to 5 cm in length. The species is a long established favourite aquarium fish, being introduced to the aquarium in 1932. The lemon tetra is one of the deeper-bodied tetras, contrasting with slender, torpedo-shaped relations such as the cardinal tetra and the rummy nosed tetra, whose approximate body shape when seen from the side is that of a lozenge, (often referred to as a diamond, is a form of rhombus). The basic body color of an adult specimen is a translucent yellow, with a pearlescent lustre emanating from the scales in particularly fine specimens. The dorsal and anal fin of the fish are marked with black and yellow: specifically, the anal fin is hyaline (glass-like appearance), with a black outer margin, the anterior three or four rays being an intense, acrylic lemon-yellow in hue, while the dor...