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Sinistrofulgur perversum, the lightning whelk, is a species of very large predatory sea snail or whelk, a marine gastropod mollusc in the family Busyconidae, the busycon whelks. This species has a left-handed or sinistral shell.
This species was noted as being a predator for the lightning whelk. The lightning whelk does not possess many predators due to its large size and the density of their shell. But,the lightning whelk is a predatory gastropod that feeds primarily on bivalve mollusks, such as clams, oysters, and mussels.
The knobbed whelk, Busycon carica, is the second-largest species, growing up to 30 cm long. They have tubercles (spines) along the shoulder. They open clams with their muscular foot and insert their long proboscis to digest the flesh. The knobbed whelk is a common predator of the foreshore mudflats as far offshore as 50 m.
Hollister recognized four species: B. sinistrum, found between Cape Hatteras, North Carolina and the Florida Keys, as well as off the Yucatan Peninsula east of the Bay of Campeche; B. perversum, endemic to the Bay of Campeche; B. pulleyi, native to the western Gulf of Mexico from the northern coast of Mexico to Breton Sound in Louisiana; and B ...
The main imitation (lightning whelks) mostly come from Florida and the Gulf of Mexico. This imitation is known as African Valampuri. Other than Busyconid species, few other species showing presence of folds in the cavity are wrongly mentioned as Dakshinavarti. These shells, though sinistral and possessing folds, are from other species.
Several different species of large whelks in the family Buccinidae, the true whelks, on sale at a fish market in Japan A whelk at Miller's Point near Cape Town. Whelks are any of several carnivorous sea snail species [1] with a swirling, tapered shell. Many are eaten by humans, such as the common whelk of the North Atlantic.
Fulguropsis spirata, commonly known as pear whelk, is a species of sea snail, a marine gastropod mollusk in the family Busyconidae, the busycon whelks.The species is also occasionally referred to as the Gulf pear whelk to differentiate it from other Fulguropsis species which are also referred to as pear whelks.
Triplofusus giganteus is a predator, with a diet that consists primarily of large gastropods, [9] such as tulip shell (Fasciolaria tulipa), the lightning whelk (Sinistrofulgur perversum), and the queen conch (Lobatus gigas) as well as some Murex species.