| Buccinum leucostoma | |
|---|---|
 | |
| Two shells of Buccinum leucostoma | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Buccinidae |
| Genus: | Buccinum |
| Species: | B. leucostoma |
| Binomial name | |
| Buccinum leucostoma Lischke, 1872 | |
Buccinum leucostoma, commonly known as the yellow-mouth buccinum, is a species of sea snail, a marine gastropod mollusk in the family Buccinidae, the true whelks. [1]
The size of the shell of an adult varies between 55 mm and 120 mm. The snail's salivary glands contains the toxin tetramine (tetramethylammonium ion). [2] The male shell tends to be smaller and more slender than the female shell. The interior of the peristome in male specimens is characterised by a reddish orange colour, while in female specimens it is whitish or yellowish. [3]
This species is found in the Pacific Ocean off the coasts of Japan.
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