Threadfin Dragonfish

Fish > Deep-Sea Fish

AT A GLANCECommon Name: Threadfin DragonfishScientific Name: Echiostoma barbatumCategory: FishSubcategory: Deep Sea FishSize: Total length: 10–14 in (25–35 cm); chin barbel up to 4 in (10 cm)Weight: 5–12 oz (140–340 g)Lifespan: 5–10 years in mesopelagic depthsDiet:...

Guerne’s Loosejaw

Fish > Stomiiformes

AT A GLANCECommon Name: Guerne’s LoosejawScientific Name: Photostomias guerneiCategory: FishSubcategory: StomiiformesSize: Total length: 4.7–6.5 in (12–16.5 cm)Weight: 0.7–1.8 oz (20–50 g)Lifespan: 4–8 years in deep oceanic environmentsDiet: Carnivore...

Giant Larvacean

Invertebrates > Appendicularia & Tunicates

AT A GLANCECommon Name: Giant LarvaceanScientific Name: Bathochordaeus charonCategory: InvertebratesSubcategory: Appendicularia & TunicatesSize: Body length: 2.0–4.0 in (5–10 cm); Mucus house diameter: up to 3.3 ft (1.0 m)Weight: 0.2–0.5 oz (5–15 g) for animal;...

Rough Glass Squid

Invertebrates > Cephalopods

AT A GLANCECommon Name: Rough Glass SquidScientific Name: Cranchia scabraCategory: InvertebratesSubcategory: CephalopodsSize: Mantle length: 4.0–6.0 in (10–15 cm); Total length: 6.0–8.5 in (15–22 cm)Weight: 1.8–4.5 oz (50–130 g)Lifespan: Estimated 1–2 years in oceanic...

Pram Bug

Invertebrates > Crustaceans

AT A GLANCECommon Name: Pram BugScientific Name: Phronima sedentariaCategory: InvertebratesSubcategory: CrustaceansSize: Female length: 1.0–1.7 in (2.5–4.2 cm); Male length: 0.3–0.6 in (0.8–1.5 cm)Weight: 0.04–0.14 oz (1.2–4.0 g)Lifespan: 1–2 years in open pelagic...