Brazilian Giant Ant

Invertebrates > Insects

AT A GLANCECommon Name: Brazilian Giant AntScientific Name: Dinoponera quadricepsCategory: InvertebratesSubcategory: InsectsSize: Total length: 1.2–1.6 in (3.0–4.0 cm); among the largest extant ants in the worldWeight: 0.03–0.06 oz (0.8–1.6 g)Lifespan: Workers live...

Feather-winged Fairyfly

Invertebrates > Insects

AT A GLANCECommon Name: Feather-winged FairyflyScientific Name: Megaphragma mymaripenneCategory: InvertebratesSubcategory: InsectsSize: Body length: 0.007–0.009 in (170–230 µm / 0.2 mm); smaller than a single-celled ParameciumWeight: 0.0000001 oz (approx. 0.003...

Methane Ice Worm

Invertebrates > Annelids

AT A GLANCECommon Name: Methane Ice WormScientific Name: Hesiocaeca methanicolaCategory: InvertebratesSubcategory: AnnelidsSize: Body length: 1.0–2.0 in (2.5–5.0 cm); Body width: 0.08–0.12 in (2–3 mm)Weight: 0.01–0.03 oz (0.3–0.8 g)Lifespan: Estimated 3–8 years in...

Ward’s Blind Deep-sea Lobster

Invertebrates > Crustaceans

AT A GLANCECommon Name: Ward’s Blind Deep-sea LobsterScientific Name: Thaumastochelopsis wardiCategory: InvertebratesSubcategory: CrustaceansSize: Total body length: 2.0–3.2 in (5–8 cm); Claw reach: up to 2.5 in (6 cm)Weight: 0.7–1.5 oz (20–42 g)Lifespan:...

Tadpole Shrimp

Invertebrates > Branchiopods

AT A GLANCECommon Name: Tadpole ShrimpScientific Name: Triops cancriformisCategory: InvertebratesSubcategory: BranchiopodsSize: Total length: 2.0–4.5 in (5–11 cm) including caudal furcaWeight: 0.1–0.4 oz (3–12 g)Lifespan: 1–3 months as active adult; dormant eggs...

Poison Ocellate Octopus

Invertebrates > Cephalopods

AT A GLANCECommon Name: Poison Ocellate OctopusScientific Name: Amphioctopus mototiCategory: InvertebratesSubcategory: CephalopodsSize: Total length: 6–8 in (15–20 cm); Mantle length: 2.0–3.2 in (5–8 cm)Weight: 2.5–5.0 oz (70–140 g)Lifespan: 1–2 years; typical rapid...

Stumpy-spined Cuttlefish

Invertebrates > Cephalopods

AT A GLANCECommon Name: Stumpy-spined CuttlefishScientific Name: Sepia bandensisCategory: InvertebratesSubcategory: CephalopodsSize: Mantle length: 2.5–4.0 in (6–10 cm); Total length: up to 5 in (13 cm)Weight: 1.5–3.5 oz (40–100 g)Lifespan: 10–14 months in the...

Small Blue Dragon

Invertebrates > Mollusks

AT A GLANCECommon Name: Small Blue DragonScientific Name: Glaucus marginatusCategory: InvertebratesSubcategory: MollusksSize: Body length: 0.4–1.2 in (10–30 mm); Smaller relative of Glaucus atlanticusWeight: 0.01–0.03 oz (0.2–0.8 g)Lifespan: 6–12 months in pelagic...

Timberman Beetle

Invertebrates > Insects

AT A GLANCECommon Name: Timberman BeetleScientific Name: Acanthocinus aedilisCategory: InvertebratesSubcategory: InsectsSize: Body length: 0.5–0.8 in (12–20 mm); Male antennae length: up to 3.5–4.0 in (up to 5x body length)Weight: 0.02–0.05 oz (0.5–1.5 g)Lifespan:...

Freshwater Pearl Mussel

Invertebrates > Bivalves

AT A GLANCECommon Name: Freshwater Pearl MusselScientific Name: Margaritifera margaritiferaCategory: InvertebratesSubcategory: BivalvesSize: Shell length: 4.0–6.0 in (10–15 cm)Weight: 5.0–12.0 oz (140–340 g)Lifespan: 100–200+ years; one of the longest-lived...