Western Pearlshell

AT A GLANCECommon Name: Western PearlshellScientific Name: Margaritifera falcataCategory: InvertebratesSubcategory: Freshwater MusselsSize: Shell length 8 to 13 cm (3.1 to 5.1 in); maximum recorded up to 15 cm (5.9 in)Weight: 80 to 200 g (2.8 to 7.0 oz)Lifespan: 60 to...

European Flat Oyster

AT A GLANCECommon Name: European Flat OysterScientific Name: Ostrea edulisCategory: InvertebratesSubcategory: MollusksSize: Shell length 8 to 12 cm (3.1 to 4.7 in); exceptionally up to 15 cm (5.9 in)Weight: 80 to 200 g (2.8 to 7.0 oz)Lifespan: 15 to 20+ yearsDiet:...

Olympia Oyster

AT A GLANCECommon Name: Olympia OysterScientific Name: Ostrea luridaCategory: InvertebratesSubcategory: MollusksSize: Shell length 5 to 8 cm (2.0 to 3.1 in); rarely up to 9 cm (3.5 in)Weight: 25 to 60 g (0.9 to 2.1 oz)Lifespan: 10 to 15 yearsDiet: Suspension filter...

Maxima Clam

AT A GLANCECommon Name: Maxima ClamScientific Name: Tridacna maximaCategory: InvertebratesSubcategory: MollusksSize: Shell length 20 to 35 cm (8 to 14 in); maximum recorded up to 40 cm (16 in)Weight: 2 to 5 kg (4.4 to 11 lb)Lifespan: 30 to 50+ yearsDiet: Mixotroph...

Pacific Oyster

AT A GLANCECommon Name: Pacific OysterScientific Name: Magallana gigasCategory: InvertebratesSubcategory: MollusksSize: Shell length 8 to 15 cm (3 to 6 in); can exceed 30 cm (12 in) with ageWeight: 70 to 200 g (2.5 to 7.0 oz); older specimens up to 500+ gLifespan: 15...