Cassis madagascariensis, Emperor helmet : fisheries
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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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Cassis madagascariensis

Classification / Names आम नाम | उपशब्द | CoL | ITIS | WoRMS

Gastropoda | Littorinimorpha | Cassidae

Environment: milieu / climate zone / गहराई सीमा / distribution range पारिस्थितिकी

; गहराई सीमा 3 - 183 m (संदर्भ 83435).  Tropical; 35°N - 10°N, 90°E - 65°E (संदर्भ 83435)

Distribution देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | भूमिका

Western Atlantic.

Length at first maturity / आकार / Weight / Age

परिपक्व अवधि: Lm ?  range ? - ? cm Max length : 35.0 cm DL पुल्लिंग / अलिंग; (संदर्भ 83435); common length : 35.0 cm TL पुल्लिंग / अलिंग; (संदर्भ 355)

Short description आकृति विज्ञान

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.

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ 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 परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | 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 संदर्भ | संयोजक | सहयोगीयो

Leal, J.H. 2003 Gastropods. p. 99-147. In Carpenter, K.E. (ed.). The living marine resources of the Western Central Atlantic. Volume 1: Introduction, molluscs, crustaceans, hagfishes, sharks, batoid fishes, and chimaeras. FAO Species Identification Guide for Fishery Purposes and American Society of Ichthyologists and Herpetologists Special Publication No. 5. 1600p. (संदर्भ 355)

IUCN Red List Status (संदर्भ 130435: Version 2025-1)


CITES status (संदर्भ 108899)

Not Evaluated

CMS (संदर्भ 116361)

Not Evaluated

Threat to humans

Human uses

मात्स्यिकी: व्यापारिक
| FishSource |

साधन

अधिक जानकारी

Trophic Ecology
Food items (preys)
संघटक आहार
आहार खपत
परभक्षी
पारिस्थितिकी
Population dynamics
बाढ़
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
बहुतायत
Life cycle
पुनरुत्पत्ति
परिपक्व अवधि
Fecundity
मछलीऔ का अंडे देना
Eggs
Egg development
Larvae
Distribution
Physiology
Oxygen consumption

इंटरनेट स्रोत

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, खोज) | Zoological Record

Estimates based on models

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