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Xiphophorus. Xiphophorus is a genus of euryhaline and freshwater fishes in the family Poeciliidae of order Cyprinodontiformes, native to Mexico and northern Central America. Xiphophorus species can be divided into 3 groups based on their evolutionary relationships: platyfish (or platies), northern swordtails, and southern swordtails.
The children are imprisoned and guarded by an aggressive, militaristic king crab. Sasha frees the children, who manage to escape. The children decide their only hope to become human again is to duplicate the antidote's formula, gathering ingredients from around the ocean. Just as they complete the potion, Joe and his army appear and corner them.
A male swordtail. The male green swordtail grows to a maximum overall length of 14 centimetres (5.5 in) and the female to 16 centimetres (6.3 in). The name 'swordtail' is derived from the elongated lower lobe of the male's caudal fin (tailfin). Sexual dimorphism is moderate, with the female being larger than the male, but lacking the 'sword'.
The Chiapas swordtail or upland swordtail ( Xiphophorus alvarezi) is a species of livebearing freshwater fish of family Poeciliidae, and genus Xiphophorus. It is, therefore, in the same genus as the common platy and the swordtail. The Chiapas swordtail was discovered and first described by Donn E. Rosen in 1960, along with four other species of ...
Zebra danios are another species that thrive in schools, with Aqueon advising that owners keep them in groups of six or more. Keep in mind that these active fish are known to jump out of the water ...
Xiphophorus montezumae. D. S. Jordan & Snyder, 1899. Xiphophorus montezumae, the Montezuma swordtail, is a livebearing freshwater fish of the order Cyprinodontiformes, family Poeciliidae, and genus Xiphophorus. [2] It is in the same genus as the common platy and the swordtail. Xiphophorus means 'sword-bearer' in Greek.
The body of Xiphophorus nigrensis is larger and deeper than that of X. pygmaeus. The males possess on their caudal fin a moderately to well-developed sword set off by a black line, from which the specific epithet nigrensis (niger meaning black and ensis sword in Latin) is derived. Pregnant females exhibit a dusky gravid spot on their bellies.
Xiphophorus clemenciae. Álvarez, 1959. The yellow swordtail (Xiphophorus clemenciae) is a species of freshwater fish in the family Poeciliidae. [2] It is endemic to the upper Coatzacoalcos River basin in southern Mexico. [3] It is typically found in brooks and streams with slow current; it is less frequent in areas with strong current. [2]