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The cardinal tetra is a very popular aquarium fish, but is less widespread than the neon tetra because until recently, it was difficult to breed in captivity. However, many breeders are now producing the fish; in most cases, one can determine if the cardinal tetra is bred or wild-caught due to damaged fins on wild-caught specimens.
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 ]
Paracheirodon tetras reach maximum overall lengths of 2.5 to 5 cm (0.98 to 1.97 in) depending on the species, and are of elongated, tetra shapes. All share a distinctive iridescent blue lateral line, but differ slightly in their other colorations.
A female black phantom tetra identified by its reddish pelvic, anal and adipose fins. The male black phantom tetras have longer fins than the females and when in breeding condition, the females become plumper, but the biggest difference is in their color.
The male is larger than the female and his anal fins are longer. The male caudal is more pointed than the female. Emperor tetras are highly sexually dimorphic and thus males and females are quite easily distinguished from each other. There are several ways to tell a male and female apart, the most reliable method is to observe the eye color.
Cardinal sightings have a multitude of meanings such as being a sign of hope, wisdom or blessings, or that they are angels with a divine message for you. According to Doolittle, Cardinals are a ...
Male White Cloud Mountain minnows sparring in an aquarium. White Clouds are easy to breed and are recommended for novice breeders. They may be conditioned for breeding with live foods such as brine shrimp and daphnia. The minnows should be placed in a small tank with a spawning mop or some java moss. Males will attempt to attract females by ...
Neon tetra. The male is slender, and the blue line is straighter. The female is rounder, producing a bent blue line. Some aquarists say the females look plumper when viewed from above. However, the straightness of the line and the plumpness of the female might occasionally be due to the eggs she is carrying.