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Lyretail black molly Marbled molly Marbled lyretail molly Silver balloon molly. A wide array of fancy molly colors have been developed in addition to the classic black molly. [3] Marbled mollies have black blotches, which is a trait found in some wild fish as well. The fully black fish were created by breeding the fish with the largest blotches.
Poecilia sphenops, called the Mexican molly or simply the molly, is a species of poeciliid fish from Central America. It was once understood as a widespread species with numerous local variants ranging from Mexico to Venezuela, but these variants are today considered distinct species belonging to the P. sphenops complex and P. sphenops itself as being native to Mexico, Guatemala, and Honduras.
Other all-female species include the New Mexico whiptail, desert grassland whiptail lizard, and blue-spotted salamander. The Amazon molly reproduces through gynogenesis. This image shows that the genetic material of the male is not incorporated into the offspring of the female. And the daughter cells produced are copies of the mother cell. [25]
Depending upon environmental conditions, sailfin mollies may become reproductive in less than a year. Sailfin mollies are small fish. At one year of age, males typically range in size from 0.5 to 3 in (13 to 76 mm) SL, while mature females are likely to be 0.5 to 2.5 in (13 to 64 mm) inch SL. The size of adult males is directly correlated with ...
The most commonly kept species are guppies (P. reticulata), mollies (P. sphenops or P. latipinna), and Endler's livebearers . Members of the genus readily hybridize with each other and so most commercially offered fish are hybrids (with guppies having some Endler, and mollies being a mix of common and sailfin mollies). [9]
Researchers believe they've recorded potentially the first-ever sighting of an adult abyssal fish, Melanocetus johnsonii, in broad daylight. Normally found at depths between 200 and 2,000 meters ...
Poecilia kykesis is a livebearer, meaning that females give birth to live young. Unlike in related species, both large and small males exhibit both courtship display and forced insemination behaviors. [9] Every 6-8 weeks the female delivers 10-60 fry, which are 8-12 mm long at birth. The adults rarely predate on the fry.
Females grow to about 86 mm in standard length, while males attain 64 mm. When in breeding mood, the male's caudal and dorsal fins are half-bluish black, half-bright orange; similarly, the body is also partly golden. Horizontal rows of orange spots appear on the side of the body. The female's colors are duller. [1]