Also found in: Dictionary, Thesaurus, Medical, Wikipedia.


common name of the largest North American frog, Rana catesbeiana. Native to the E United States, this species has been successfully introduced in the West and in other parts of the world. The body length is 4 to 8 in. (10–20 cm), and the legs may be up to 10 in. (25 cm) long. An aquatic form with fully webbed toes, the bullfrog can close its nostrils and lie at the bottom of a pond for some time. Males have a loud, booming call. Bullfrog tadpoles require two or three years to become adults. The bullfrog is the only frog whose legs are marketed in quantity for food in the United States. Several other large frogs of the genus Rana are called bullfrogs in other regions. Bullfrogs are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
..... Click the link for more information.
, subphylum Vertebrata, class Amphibia, order Anura, family Ranidae.



(Rana catesbiana), one of the largest representatives of the genus Rana of the family Ranidae. Length, up to 20 cm; weight, up to 600 g. The back is olive brown with indistinct dark brown spots.

The bullfrog is widely distributed in North America, where it lives in thickets along rivers. It feeds on invertebrates, small fish, frogs, and small mammals; it preys on the nestlings of domesticated ducks. The males make a bellowing noise that sounds like a bull (hence the name). The tadpoles develop for two years. Bullfrogs have commercial value as food and are bred on farms. They have been introduced into some South American countries and Japan.


(mining engineering)


any of various large frogs, such as Rana catesbeiana (American bullfrog), having a loud deep croak
References in classic literature ?
Bullfrog," said she, not unkindly, yet with all the decision of her strong character, "let me advise you to overcome this foolish weakness, and prove yourself, to the best of your ability, as good a husband as I will be a wife.
Bullfrog," said my wife, slyly; "but, in that case, where would have been the five thousand dollars which are to stock your dry goods store?
Bullfrog, upon your honor," demanded I, as if my life hung upon her words, "is there no mistake about those five thousand dollars?
The jury gave me every cent the rascal had; and I have kept it all for my dear Bullfrog.
Similar results have since been obtained from six other bullfrog farms in Uruguay (R.
TSX VENTURE:RGC) is pleased to announce that it has acquired nearly five square miles of claims in the northern portion of the Bullfrog district in southwestern Nevada.
para]]According to a New Blog on Bullfrog Marina's Website, the Record Drought has Caused Many People to Seek Relief from the Summer Heat at the California Delta[[/para]]
BullFrog Mosquito Coast combines the trusted sun protection found in BullFrog Sunblock with a revolutionary family friendly insect repellent in a convenient "2 in 1" fast drying spray that effectively, yet safely, repels mosquitoes for up to 8 hours.
para]]Delta Ski Beach chooses Bullfrog Marina as Number 1 Boat Fuel Supplier[[/para]]
Along the former gravel mine known as the Tujunga Wash, wildlife officials are set to intervene in a battle of species pitting the federally protected Santa Ana sucker and the fish's non-native predator, the bullfrog.
Lake Powell Resorts & Marinas today announced that Bullfrog, Wahweap and Halls Crossing Marinas are fully operational and open to the public; and that several options exist for launching boats on the lake, according to Dan Resmondo, district manager, Lake Powell Resorts & Marinas.
Straus said the annual baseball controversy about BullFrog sunscreen being mixed with rosin by pitchers who want a better grip actually serves to put the focus back on melanoma prevention.