Also found in: Thesaurus.


Any of various fishes that bear live young, especially those of the subfamily Poeciliinae, which includes the guppy and the mollies.

live′-bear′ing adj.
ThesaurusAntonymsRelated WordsSynonymsLegend: - producing living young (not eggs)
zoological science, zoology - the branch of biology that studies animals
References in periodicals archive ?
The 248-million-year old fossil of an ichthyosaur suggests that live-bearing evolved on land and not in the sea," Dr.
There are many, but unnamed, forms of the kind of the four-footed and live-bearing animals; though each on its own is named, just as man is named, lion, deer, horse, dog, and the others are in turn, and yet there is one certain kind alone called the bushy-tails, such as horse, ass, mule, jennet, and the one from Syria called half-ass.
The study noted that live-bearing lizards, as opposed to those that lay eggs, are particularly at risk.
If the tree was correct, the molar thought to belong exclusively to live-bearing mammals had evolved separately in the egg-laying monotremes.
It is a small member of the Poecilidae family (females 3cm long, males 2cm) and like all other members of the family, is live-bearing.
2000) recently reported male-biased sex ratios in embryos of the marine live-bearing eelpout, Zoarces viviparous, exposed to paper mill effluent off the coast of Sweden.
Ecology and evolution of live-bearing fishes (Poeciliidae).
They selected live-bearing guppies for large and small brains relative to the size of their bodies.
Then, Michael Bull of Flinders University in Adelaide, Australia, reported that some of Australia's big, live-bearing skinks are monogamous.
The find is important because "it means that an advanced form of reproduction involving copulation and live-bearing was more widespread than previously thought.
7 centimeters) the very old (a fossilized specimen of the oldest known live-bearing vertebrate) and the very twisted (a snail whose shell twists around four axes).