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Cassis tuberosa, King helmet : fisheries

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Cassis tuberosa   (Linnaeus, 1758)

King helmet

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Cassis tuberosa  AquaMaps  Data sources: GBIF OBIS
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Image of Cassis tuberosa (King helmet)
Cassis tuberosa

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Gastropoda | Littorinimorpha | Cassidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Reef-associated; depth range 0 - 27 m (Ref. 3446), usually 0 - 9 m (Ref. 3446).  Tropical; 35°N - 18°S, 92°W - 25°W (Ref. 3446)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Atlantic.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 30.1 cm TL male/unsexed; (Ref. 3446); common length : 25.0 cm TL male/unsexed; (Ref. 355)

Short description Morphology

Shell very large, heavy. Spire short. Shell surface with fine reticulated sculpture and knobby projections on body whorl. Parietal shield large and well defined, triangular. Outer lip with inner tooth-like projections. Colour: brownish cream with large patch of brown at centre of parietal shield. Outer lip entirely cream or cream white with brown between teeth.

Biology     Glossary (e.g. epibenthic)

Occurs on sand bottoms (sometimes buried) near seagrass beds, at shallow subtidal depths (Ref. 355). This is also found on offshore coral reefs, on algae, sand and seagrass habitats (Ref. 83934).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Members of the order Neotaenioglossa are mostly gonochoric and broadcast spawners. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults.

Main reference References | Coordinator | Collaborators

Leal, J.H. 2003. (Ref. 355)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fisheries: commercial
| FishSource |

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E-book | Field guide

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Length-weight rel.
Length-length rel.
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Life cycle
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References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 26.2 - 28.2, mean 27.5 (based on 614 cells).
Vulnerability (Ref. 71543): Low vulnerability (20 of 100).
Price category (Ref. 80766): Unknown.

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