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Black tetras of the leucistic aquarium variant. The black skirt tetra is a common fish that is widely available for purchase. Hobbyists often provide live foods such as Daphnia and mosquito larvae, and frozen foods like bloodworms. [citation needed] In a home aquarium. The species reaches sexual maturity at about two years of age.
This fish is very hardy and can stand a variety of water qualities. Disease is not a big problem with the black tetra. The black tetra is also known as the black skirt tetra. The female black tetra is more robust and larger than the male. [29] Black morpho tetra: Poecilocharax weitzmani: 4 cm (1.6 in) Bleeding heart tetra: Hyphessobrycon ...
Brycinus longipinnis eats a wide range of animal and vegetable matter, including insect larvae, crustaceans and some algae.. In the aquarium it will eat most fish foods including both flakes and pellets without any trouble; it benefits from live or frozen food such as bloodworms, brine shrimp and Daphnia.
The male's fins are black, as is the female's dorsal fin; the female's pelvic, anal, and adipose fins are reddish in color. A long-finned variety, apparently developed by captive breeders, is sometimes sold in the aquarium trade (the male has elongated dorsal and anal fins even in the wild form).
The body is long, slim, and flattened to about 3 inches at maturity. Looking from the eye to the tail area, you will find a black line placed within a blue stripe. The sickled shaped dorsal fin, along with the pectoral fin and anal fins are yellow. The male is larger than the female and his anal fins are longer.
A group of flame tetras. The flame tetra reaches about 2.5 cm (1 in) in standard length. [5] [6] [8] The rear half of the body is flame red while the area in front of the dorsal fin is silver crossed by two dark vertical bars. All the fins are red except for the pectoral fins, which are colourless.
The male external genitalia have been used widely to aid in distinguishing species, whereas the female external genitalia may be simpler and less varied. The terminalia of adult female insects include internal structures for receiving the male copulatory organ and his spermatozoa and external structures used for oviposition (egg-laying; section ...
The rummy-nose tetra (Petitella rhodostoma) is a species of tropical freshwater characin fish originating in South America, popular among fishkeepers as a tropical aquarium fish. [2] One of many small tetras belonging to the same genus, it is on average 5 cm (2 in) long when fully grown. [3]