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Cassis madagascariensis   Lamarck, 1822

Emperor helmet

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


Trinidad and Tobago country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/td.html
National Fisheries Authority: http://www.cep.unep.org/trini_tbgo/fisheries/index.htm
Occurrences: Occurrences Point map
Main Ref: Leal, J.H., 2003
National Database:

Common names from other countries

Classification / Names / Names Nomi Comuni | Sinonimi | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Littorinimorpha () > Cassidae (helmet and bonnet shells)

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

; distribuzione batimetrica 3 - 183 m (Ref. 83435).   Tropical; 35°N - 10°N, 90°E - 65°E (Ref. 83435)

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Introduzioni

Western Atlantic.

Length at first maturity / Size / Peso / Age

Maturity: Lm ?  range ? - ? cm Max length : 35.0 cm DL maschio/sesso non determinato; (Ref. 83435); common length : 35.0 cm TL maschio/sesso non determinato; (Ref. 355)

Short description Morfologia

Shell very large, heavy. Spire short. Shell surface with 3 rows of large knobs on body whorl. Parietal shield large and well defined, triangular. Outer lip with inner tooth-like projections. Colour: pale cream, parietal shield pale to deep salmon. Outer lip entirely cream or cream white sometimes with light brown between teeth.

Biologia     Glossario (es. epibenthic)

Largest species of the family in the Atlantic ocean (Ref. 355). Maximum depth from Ref. 109264. On sand bottoms near seagrass beds, at shallow subtidal depths (Ref. 355).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

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 Bibliografia | Coordinatore | Collaboratori

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

IUCN Red List Status (Ref. 130435)


CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Human uses

Pesca: commerciale
| FishSource |

Strumenti

Informazioni ulteriori

Stati
Aree FAO
Ecosystems
Presenze
Introduzioni
Stocks
Ecologia
Dieta
Prede
Nomi Comuni
Sinonimi
Predatori
Riproduzione
Maturità
Deposizione
Fecundity
Uova
Egg development
Age/Size
Accrescimento
Length-weight
Length-length
Morfologia
Larve
Abbondanza
Bibliografia
Mass conversion

Fonti Internet

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

Estimates based on models

Preferred temperature (Ref. 115969): 21.1 - 27.5, mean 24.8 (based on 130 cells).
Price category (Ref. 80766): Unknown.