Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキ: Complete Species Profile and Guide

The Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキ (Magallana gigas (Thunberg, 1793)) is one of the most fascinating mollusc species found in mrgid. This in-depth guide covers taxonomy, anatomy, habitat, behavior, diet, reproduction, conservation status, and practical notes for identification and research.

Quick Facts About the Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキ

Taxonomic Classification and Scientific Background

The felsenauster; japanese oyster; japanische auster; japanse oester; japansk østers; japanskt jätteostron; pacific cupped oyster; pacific giant oyster; pacific oyster; pazifische auster; pazifische felsenauster; portugese oester; portugiesische auster; portuguese oyster; riesenauster; stillehavsøsters; giant cupped oyster; giant oyster; giant pacific oyster; huître creuse; huître creuse du pacifique; huître creuse japonaise; huître du pacifique; huître japonaise; huître portugaise; immigrant oyster; ostión; ostión del pacífico; ostión japonés; ostra japonesa; ostra-gigante; ostrica concava; ostrica del pacifico; ostrica giapponese; stillahavsostron; στρείδι πορτογαλίας; устрица тихоокеанская (гиганская); マガキ is placed within the phylum Mollusca. Taxonomy:

- Kingdom: Animalia - Phylum: Mollusca - Class: Bivalvia - Order: Ostreida - Family: Ostreidae - Scientific Name: Magallana gigas (Thunberg, 1793)

Taxonomic notes: molluscan classification is based on shell morphology, radula structure, soft anatomy, and molecular data. Always verify synonyms in MolluscaBase or WoRMS.

Physical Characteristics and Identification

Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキ typically display molluscan body plan: head, visceral mass, and muscular foot (modified in cephalopods to arms/tentacles). The mantle secretes shell material where present; radula is used by many clades for feeding. Key identification features include:

- Shell shape, sculpture, and color (for shelled taxa) - Radula type and tooth arrangement (important for diet inference) - Soft-tissue characters (gill arrangement, mantle features) - Cephalopod-specific traits: chromatophores, beak, siphon for jet propulsion

Habitat Preferences and Geographic Distribution

Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs occur in mrgid, usually in diverse marine habitats. Habitat selection depends on substrate, depth, salinity, temperature and food supply. Microhabitats include intertidal rocks, seagrass beds, sandy bottoms, coral reefs, and deep-sea vents.

Behavior and Ecology

The felsenauster; japanese oyster; japanische auster; japanse oester; japansk østers; japanskt jätteostron; pacific cupped oyster; pacific giant oyster; pacific oyster; pazifische auster; pazifische felsenauster; portugese oester; portugiesische auster; portuguese oyster; riesenauster; stillehavsøsters; giant cupped oyster; giant oyster; giant pacific oyster; huître creuse; huître creuse du pacifique; huître creuse japonaise; huître du pacifique; huître japonaise; huître portugaise; immigrant oyster; ostión; ostión del pacífico; ostión japonés; ostra japonesa; ostra-gigante; ostrica concava; ostrica del pacifico; ostrica giapponese; stillahavsostron; στρείδι πορτογαλίας; устрица тихоокеанская (гиганская); マガキ shows fascinating behaviors from filter feeding to predatory hunting strategies. Behavioral highlights:

- Locomotion: foot gliding, burrowing, or cephalopod jetting - Foraging strategies: grazing, filter-feeding, predation with radula/venom, scavenging - Defensive behavior: shell withdrawal, crypsis, ink release (cephalopods), venom in some gastropods

Diet and Feeding Ecology

Diet varies by clade: many gastropods graze on algae, bivalves filter phytoplankton and detritus, and cephalopods are active predators. Feeding mechanics often correlate with radula morphology or specialized appendages/venom. Trophic role: primary consumer, predator or scavenger.

Reproduction, Development, and Life Cycle

Molluscs show diverse reproductive strategies: broadcast spawning with planktonic trochophore/veliger larvae, brooding, or direct development. Cephalopods typically have complex mating behaviors and some brood/guard eggs. Reproductive timing often links with seasonal cycles and temperature.

Conservation Status and Threats

Conservation concerns for felsenauster; japanese oyster; japanische auster; japanse oester; japansk østers; japanskt jätteostron; pacific cupped oyster; pacific giant oyster; pacific oyster; pazifische auster; pazifische felsenauster; portugese oester; portugiesische auster; portuguese oyster; riesenauster; stillehavsøsters; giant cupped oyster; giant oyster; giant pacific oyster; huître creuse; huître creuse du pacifique; huître creuse japonaise; huître du pacifique; huître japonaise; huître portugaise; immigrant oyster; ostión; ostión del pacífico; ostión japonés; ostra japonesa; ostra-gigante; ostrica concava; ostrica del pacifico; ostrica giapponese; stillahavsostron; στρείδι πορτογαλίας; устрица тихоокеанская (гиганская); マガキs include overharvesting (food & aquarium trade), habitat loss, pollution, and ocean acidification which impairs shell formation. Assess status via IUCN, national red lists, and targeted monitoring. Mitigation: MPAs, sustainable harvest, pollution reductions, aquaculture best-practice.

Ecological Importance and Ecosystem Services

Molluscs regulate algal communities (grazers), filter water (bivalves), and form prey base for fish, birds and mammals. Shell accumulations form substrates and beaches. Cephalopods are important mid-trophic predators with fast life-histories influencing prey populations.

Frequently Asked Questions About Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs

What is a Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキ?

The felsenauster; japanese oyster; japanische auster; japanse oester; japansk østers; japanskt jätteostron; pacific cupped oyster; pacific giant oyster; pacific oyster; pazifische auster; pazifische felsenauster; portugese oester; portugiesische auster; portuguese oyster; riesenauster; stillehavsøsters; giant cupped oyster; giant oyster; giant pacific oyster; huître creuse; huître creuse du pacifique; huître creuse japonaise; huître du pacifique; huître japonaise; huître portugaise; immigrant oyster; ostión; ostión del pacífico; ostión japonés; ostra japonesa; ostra-gigante; ostrica concava; ostrica del pacifico; ostrica giapponese; stillahavsostron; στρείδι πορτογαλίας; устрица тихоокеанская (гиганская); マガキ (Magallana gigas (Thunberg, 1793)) is a mollusc belonging to the Ostreidae family and the Ostreida order. Molluscs are soft-bodied animals often protected by shells, with diverse feeding strategies and complex life cycles.

What is the scientific name of the Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキ?

The scientific name is Magallana gigas (Thunberg, 1793). This binomial follows Linnaean taxonomy.

Where do Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs live?

Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs are found in mrgid. Distribution is driven by substrate, temperature, salinity, and food availability.

What do Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs eat?

Diets vary widely: grazing on algae, filter-feeding plankton, predation using radula/venom, or scavenging.

How big is a Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキ?

Size ranges widely among molluscs, from minute gastropods to giant cephalopods several meters long.

How do Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs reproduce?

Molluscs reproduce by external spawning or internal fertilization; many have trochophore/veliger larval stages.

Are Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs endangered?

Many species face threats like overharvesting, habitat loss, and ocean acidification affecting shell formation.

What role do Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs play in ecosystems?

Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs serve as grazers, filter feeders, predators, and prey, significantly shaping marine food webs.

What unique adaptations do Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs have?

Adaptations include the radula, shell biomineralization, chromatophores (cephalopods), and ink/venom in some species.

How are molluscs studied and conserved?

Conservation uses monitoring, protected areas, regulated harvest, aquaculture and research on acidification resilience.

Data Sources and References

This profile was compiled from primary species records and scientific literature.

Conclusion: Protecting Felsenauster; Japanese Oyster; Japanische Auster; Japanse Oester; Japansk Østers; Japanskt Jätteostron; Pacific Cupped Oyster; Pacific Giant Oyster; Pacific Oyster; Pazifische Auster; Pazifische Felsenauster; Portugese Oester; Portugiesische Auster; Portuguese Oyster; Riesenauster; Stillehavsøsters; Giant Cupped Oyster; Giant Oyster; Giant Pacific Oyster; Huître Creuse; Huître Creuse Du Pacifique; Huître Creuse Japonaise; Huître Du Pacifique; Huître Japonaise; Huître Portugaise; Immigrant Oyster; Ostión; Ostión Del Pacífico; Ostión Japonés; Ostra Japonesa; Ostra-Gigante; Ostrica Concava; Ostrica Del Pacifico; Ostrica Giapponese; Stillahavsostron; Στρείδι Πορτογαλίας; Устрица Тихоокеанская (Гиганская); マガキs

The felsenauster; japanese oyster; japanische auster; japanse oester; japansk østers; japanskt jätteostron; pacific cupped oyster; pacific giant oyster; pacific oyster; pazifische auster; pazifische felsenauster; portugese oester; portugiesische auster; portuguese oyster; riesenauster; stillehavsøsters; giant cupped oyster; giant oyster; giant pacific oyster; huître creuse; huître creuse du pacifique; huître creuse japonaise; huître du pacifique; huître japonaise; huître portugaise; immigrant oyster; ostión; ostión del pacífico; ostión japonés; ostra japonesa; ostra-gigante; ostrica concava; ostrica del pacifico; ostrica giapponese; stillahavsostron; στρείδι πορτογαλίας; устрица тихоокеанская (гиганская); マガキ (Magallana gigas (Thunberg, 1793)) showcases molluscan diversity and ecological importance across mrgid. Protecting its habitat and understanding life-history traits will benefit biodiversity and fisheries sustainability.