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The sailfin molly is a tolerant species, as it can exploit the thin film of oxygen-rich surface water with its upturned mouth, so is able to survive oxygen-depleted habitats. A euryhaline species, the sailfin molly may be found in a variety of saline environments, tolerating salinities as high as 87 ppt [ 10 ] and breeding in brackish waters .
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.
Amazon mollies have a small dorsal fin consisting of 10-12 soft rays. [9] The position of the dorsal fin on the back of the fish is anterior, closer towards the head, than the position of the anal fin on the underside of the fish. They do not have any spiny rays on their fins. [10]
Livebearers are fish that retain their eggs inside the body and give birth to live, free-swimming young. They are especially prized by aquarium owners. They are especially prized by aquarium owners. Among aquarium fish, livebearers are nearly all members of the family Poeciliidae and include: guppies , mollies , platies and swordtails .
Histotrophic (tissue eating) viviparity means embryos develop in the female's oviducts but obtain nutrients by consuming other tissues, such as ova or zygotes. [10] This has been observed primarily among sharks such as the shortfin mako and porbeagle , but is known for a few bony fish as well such as the halfbeak Nomorhamphus ebrardtii . [ 12 ]
This is because dogs spend a lot of time sniffing the ground, eating grass, and sometimes licking poop or urine they find outdoors. Here are five diseases you could catch from your dog , and how ...
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).
On March 12, Evie and Chester's owner explained what they found out about why their dogs greet them with toys in their mouths. It's actually very sweet! Aww! These sweet Cavoodle pups remind me so ...