Cassis madagascariensis, Emperor helmet : fisheries

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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Cassis madagascariensis

Classification / Names Populärnamn | synonymer | CoL | ITIS | WoRMS

Gastropoda | Littorinimorpha | Cassidae

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

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

Distribution Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar

Western Atlantic.

Length at first maturity / Size / Weight / Age

Könsmognad: 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 | 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 referenser | Koordinator | Medarbetare

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

Fiskeri: kommersiell
| FishSource |

Verktyg

E-book | Fälthandbok

Ytterligare information

Trophic Ecology
Food items (preys)
Födosammansättning
Födointag
Predatorer
Ekologi
Ekologi
Population dynamics
Tillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
Life cycle
Reproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Physiology
Syreförbrukning
Human Related
Stamps, coins, misc.
Outreach
Medarbetare
Taxonomy
Populärnamn
synonymer
Morfologi
Bilder
referenser
referenser

Internet-källor

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, sök) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 21.1 - 27.5, mean 24.8 (based on 130 cells).
Fishing Vulnerability (Ref. 71543): Low vulnerability (25 of 100).
Price category (Ref. 80766): Unknown.

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