Since most species of fish inhabit the lower and middle levels of the aquarium, aquarists looking for a distinctively shaped fish to incorporate into a community tank with other fish of similar size and temperament will like the black-winged hatchetfish.
The golden empire gudgeon is one of around 11 species in the most widely distributed genus found in Australia, Hypseleotris. Their present family, the Gobiiformes, was previously a suborder of the Perciformes, which once contained 2,211 species but has since been divided into seven families.
The empire gudgeon is one of around 11 species in the most widely distributed genus found in Australia, Hypseleotris. Their present family, the Gobiiformes, was previously a suborder of the Perciformes, which once contained 2,211 species but has since been divided into seven families.
Within the Cichlidae family, Apistogramma is the most species-rich genus, which explains why they are also the most popular in the aquarium hobby. Due to their vibrant colors, Apistogramma like the gold agassiz’s dwarf cichlid has been highly sought after.
Within the Cichlidae family, Apistogramma is the most species-rich genus, which explains why they are also the most popular in the aquarium hobby. Due to their vibrant colors, Apistogramma like the fire red agassiz’s dwarf cichlid has been highly sought after.
Within the Cichlidae family, Apistogramma is the most species-rich genus, which explains why they are also the most popular in the aquarium hobby. Due to their vibrant colors, Apistogramma like the agassiz's dwarf cichlid has been highly sought after.
Since their introduction in the early 1900s, the golden harlequin rasbora has become the most common species of rasbora kept within the aquarium hobby. Their scientific name Heteromorpha actually refers to its rather distinctive color pattern, which is undoubtedly the reason this species gained so much popularity.
Since their introduction in the early 1900s, the black harlequin rasbora has become the most common species of rasbora kept within the aquarium hobby. Their scientific name Heteromorpha actually refers to its rather distinctive color pattern, which is undoubtedly the reason this species gained so much popularity.
