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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 neon tetra has a light-blue back over a silver-white abdomen. The fish is characterized by an iridescent blue horizontal stripe along each side of the fish from its nose to the base of the adipose fin, and an iridescent red stripe that begins at the middle of the body and extends posteriorly to the base of the caudal fin. The fish is ...
H. erythrozonus is a medium-sized tetra growing to 4 to 5 cm (1.6 to 2.0 in), notably larger than both neon and cardinal tetras. It has a life span of two to four years when kept in good conditions. It has a life span of two to four years when kept in good conditions.
Women in the United States can expect to live nearly six years longer than men, as disparities in deaths from Covid-19 and drug overdoses drive the life expectancy gap to the widest it’s been in ...
The four pigments in a bird's cone cells (in this example, estrildid finches) extend the range of color vision into the ultraviolet. [1]Tetrachromacy (from Greek tetra, meaning "four" and chroma, meaning "color") is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cell in the eye.
Here's why a Cardinal might fly into your life ... And many believe that the Cardinal's spiritual meaning is a good omen—even indicating that someone is trying to get your attention.
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 ]
The lemon tetra (Hyphessobrycon pulchripinnis) is a species of tropical freshwater fish which originates from South America, belonging to the family Characidae. It is a small tetra growing to 5 cm (2 in) in length. The species is a long established favourite aquarium fish, being introduced to the aquarium in 1932.