Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oyster (Magallana angulata) - Facts & Information
Magallana angulata (Lamarck, 1819)
Scientific Classification
Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oyster: Complete Species Profile and Guide
The Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oyster (Magallana angulata (Lamarck, 1819)) stands out as an extraordinary member of the mollusc phylum 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 Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oyster
| Attribute | Details |
|---|---|
| Scientific Name | Magallana angulata (Lamarck, 1819) |
| Common Name | Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oyster |
| Family | Ostreidae |
| Order | Ostreida |
| Class | Bivalvia |
| Primary Habitat | Diverse Marine Habitats |
| Geographic Range | Mrgid |
Taxonomic Classification and Scientific Background
The greifmuschel; portugese oester; portugiesische auster; portuguese oyster is placed within the phylum Mollusca. Taxonomy:
- Kingdom: Animalia - Phylum: Mollusca - Class: Bivalvia - Order: Ostreida - Family: Ostreidae - Scientific Name: Magallana angulata (Lamarck, 1819)
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
Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oyster 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
Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters 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 greifmuschel; portugese oester; portugiesische auster; portuguese oyster demonstrates remarkable adaptations including a specialized radula for feeding. 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 greifmuschel; portugese oester; portugiesische auster; portuguese oysters 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 Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters
What is a Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oyster?
The greifmuschel; portugese oester; portugiesische auster; portuguese oyster (Magallana angulata (Lamarck, 1819)) 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 Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oyster?
The scientific name is Magallana angulata (Lamarck, 1819). This binomial follows Linnaean taxonomy.
Where do Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters live?
Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters are found in mrgid. Distribution is driven by substrate, temperature, salinity, and food availability.
What do Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters eat?
Diets vary widely: grazing on algae, filter-feeding plankton, predation using radula/venom, or scavenging.
How big is a Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oyster?
Size ranges widely among molluscs, from minute gastropods to giant cephalopods several meters long.
How do Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters reproduce?
Molluscs reproduce by external spawning or internal fertilization; many have trochophore/veliger larval stages.
Are Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters endangered?
Many species face threats like overharvesting, habitat loss, and ocean acidification affecting shell formation.
What role do Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters play in ecosystems?
Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters serve as grazers, filter feeders, predators, and prey, significantly shaping marine food webs.
What unique adaptations do Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters 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.
Primary source: GBIF / WoRMS / MolluscaBase Citation: Last Updated: 2025-10-22T11:01:58Z Taxonomic verification recommended via MolluscaBase, WoRMS, and GBIF.Conclusion: Protecting Greifmuschel; Portugese Oester; Portugiesische Auster; Portuguese Oysters
The greifmuschel; portugese oester; portugiesische auster; portuguese oyster (Magallana angulata (Lamarck, 1819)) showcases molluscan diversity and ecological importance across mrgid. Protecting its habitat and understanding life-history traits will benefit biodiversity and fisheries sustainability.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.
Additional Research and Notes
Further research into morphology, population genetics, and responses to ocean change improves conservation planning. Studies of shell biomineralization and radula biomechanics inform both taxonomy and material-science inspired solutions. Long-term monitoring and citizen-science contributions (e.g., shell surveys, diver observations) are valuable.