adjective. Heller (attributive); used in taxonomic names for organisms having English names of the form "Heller's ..."

noun. freshwater fish of Central America having a long swordlike tail; popular aquarium fish

"Several of the areas endemic birds have very limited ranges; for example, the Taita thrush (Turdus helleri, CR) and Usambara akalat (Sheppardia montana, EN), occur only in a few square kilometers of forest in the Taita Hills and West Usambaras, respectively, while the Uluguru bush-shrike (Malaconotus alius, EN) lives only in a single forest reserve in the Uluguru Mountains."

cyprinodont  

heller  hello