Aquarium Fish ∣ Detailed Guides to Choosing & Caring for Nano Species

The Half Billed Pike, or Wrestling Halfbeak, is a fascinating surface-dwelling livebearer native to Southeast Asia. Known for its unique elongated lower jaw and the males' combative 'wrestling' behavi...

The Costello Tetra, scientifically known as Hyphessobrycon hyanuary, is a peaceful and active schooling fish native to the Amazon basin. Known for its subtle greenish-gold lateral stripe and distincti...

The Green Dwarf Barb (Pethia canius) is a captivating, peaceful micro-fish native to the densely vegetated waters of India and Bangladesh. Known for its shimmering golden-green scales and distinct bla...

Hailing from the coastal estuaries of Southeast Asia, the Green Spotted Puffer is a highly intelligent and interactive fish. Famous for its vibrant green-yellow coloration and distinct black spots, th...

The Banded Leporinus (Leporinus affinis) is a striking, torpedo-shaped freshwater fish native to the vibrant rivers of South America. Known for its bold black and yellow stripes, this active and intel...

The Green Fringe Lark, widely known as the Rainbow Shark, is a striking freshwater cyprinid native to Southeast Asia. Famous for its vibrant red fins contrasting against a dark body, this semi-aggress...

The Mbu Pufferfish, native to the Congo River basin, is a true freshwater giant known for its striking maze-like patterns and highly intelligent, interactive personality. Due to their massive adult si...

The Golden Arowana, a rare color variant of the South American Silver Arowana (Osteoglossum bicirrhosum), is a breathtaking centerpiece for giant aquariums. Known for its predatory prowess and incredi...

The Golden Zebra Danio is a striking, active color morph of the classic Zebra Danio. Originating from selective breeding of wild populations in South Asia, this energetic schooling fish is highly popu...

The Golden Striped Pike, a stunning gold morph of the Striped Panchax, is a hardy and vibrant top-dwelling killifish. Originating from India but widely captive-bred in Europe, this active predator boa...

Hailing from the blackwater rivers of South America, the Golden Redhead Tetra is a striking variant of the classic Rummy-nose Tetra. Renowned for its brilliant ruby-red facial coloration and shimmerin...

The Golden Pufferfish (Chonerhinus modestus), also known as the Bronze Puffer, is a highly active and captivating species native to Southeast Asia. Known for its striking metallic gold coloration, thi...

The Golden Phantom Tetra (Megalomphodus roseus), native to the shaded forest streams of South America, is a captivating and peaceful schooling fish. Known for its distinct black shoulder spot and subt...

The Golden Mourning Tetra, a captivating color morph of the popular Black Skirt Tetra, originates from South America. Known for its shimmering, translucent golden hue and hardy nature, this peaceful s...

The Albino Rainbow Shark is a striking freshwater fish renowned for its pale, creamy body and vivid orange-red fins. Originating from Southeast Asia, this semi-aggressive bottom-dweller brings dynamic...

The Golden Emperor Tetra is a stunning, captive-bred color morph of the classic Emperor Tetra. Known for its radiant golden hues, striking blue eyes, and graceful finnage, this peaceful schooling fish...