Twenty-seven specimens of cardinal tetra Paracheirodon axelrodi. 33 rosy tetra Hyphessobrycon copelandi (Characidae). 28 marbled hatchetfish Carnegiella strigata. 26 blackwing hatchetfish Carnegiella martae (Gasteropelecidae). https://homehardware4ues.shop/product-category/nozzles/