Fusiform Dinoflagellate

Invertebrates > Dinoflagellates

AT A GLANCECommon Name: Fusiform DinoflagellateScientific Name: Pyrocystis fusiformisCategory: InvertebratesSubcategory: DinoflagellatesSize: Cell length: 0.024–0.040 in (0.6–1.0 mm); macroscopic single-celled spindle morphologyWeight: Single-cell mass: ~0.000000035...

Crowned Sea Elephant

Invertebrates > Gastropods

AT A GLANCECommon Name: Crowned Sea ElephantScientific Name: Pterotrachea coronataCategory: InvertebratesSubcategory: GastropodsSize: Body length: 8.0–12.0 in (20–30 cm); Largest of all heteropod snailsWeight: 2.0–5.5 oz (60–150 g)Lifespan: Estimated 6 months to 1...

Seven-arm Octopus

Invertebrates > Cephalopods

AT A GLANCECommon Name: Seven-arm OctopusScientific Name: Haliphron atlanticusCategory: InvertebratesSubcategory: CephalopodsSize: Total length: 9.5–13.0 ft (2.9–4.0 m); Mantle length: up to 2.3 ft (0.7 m)Weight: 110–165 lb (50–75 kg); exceptional specimens estimate...

Bigeye Thresher Shark

Fish > Sharks

AT A GLANCECommon Name: Bigeye Thresher SharkScientific Name: Alopias superciliosusCategory: FishSubcategory: SharksSize: Total length: 11.0–15.0 ft (3.3–4.6 m); rarely up to 16 ft (4.9 m)Weight: 300–800 lb (135–360 kg)Lifespan: Estimated 19–25 years in pelagic marine...

Snake Mackerel

Fish > Scombroids & Gempylids

AT A GLANCECommon Name: Snake MackerelScientific Name: Gempylus serpensCategory: FishSubcategory: Scombroids & GempylidsSize: Total length: 28–40 in (70–100 cm); verified record up to 48 in (120 cm)Weight: 3.3–6.6 lb (1.5–3.0 kg)Lifespan: 8–12 years in the...