Gastropoda | Neogastropoda
Environment: milieu / climate zone / depth range / distribution range
Western Central Atlantic.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cmCommon length : 60.0 cm TL male/unsexed; (Ref. 355)
Shell large, with up to 10 whorls. Sculpture of about 5 to 7 spiral cords and weak axial ribs that sometimes form knobs on whorl shoulders. Columella with 3 plications. Periostracum sometimes flaky. Colour: shell greyish white to salmon orange, usually orange in younger specimens; periostracum dark brown to light tan.
This the largest gastropod in American waters, and the Florida State Shell. A variety lacking nodules known as 'knob less wonder' can be found in southwestern Florida. Broad, muscular foot is locally consumed in northwestern Mexico (Ref. 355). Intertidal to shallow subtidal, on sand and mud flats and seagrass beds (Ref. 355).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the order Neogastropoda are mostly gonochoric and broadcast spawners. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults.
Leal, J.H. 2003. (Ref. 355)
IUCN Red List Status (Ref. 124695)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models