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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 Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

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

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

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

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar

Western Atlantic.

Length at first maturity / Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm Max length : 35.0 cm DL hane/ej könsbestämd; (Ref. 83435); common length : 35.0 cm TL hane/ej könsbestämd; (Ref. 355)

Short description Morfologi

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.

Biologi     Ordlista (t.ex. 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 Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

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 referenser | Koordinator | Medarbetare

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

Fiskeri: kommersiell
| FishSource |

Verktyg

Ytterligare information

Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Stocks
Ekologi
Föda
Födoslag
Populärnamn
synonymer
Predatorer
Reproduktion
Könsmognad
Lek
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Morfologi
Larver
Abundans
referenser
Mass conversion

Internet-källor

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