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🧬 Biological Classification (Kingdom to Species)Paralithodes camtschaticus

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Decapoda

Family

Lithodidae

Genus

Paralithodes

Species

Paralithodes camtschaticus

Malacostraca🌊 Marine predator / filter feeder

Red king crab

Paralithodes camtschaticus (Red king crab · タラバガニ)

🛡️ Conservation Status (IUCN Red List)NE (Not Evaluated)

Not Evaluated (NE) on the IUCN Red List yet.

Geological Era

Extant

Diet

Marine predator / filter feeder

Length · Height

1.52m · No data

Mass · Top Speed

10.9kg · No data

Habitat & Fossil Locality

Cold sea floors of the North Pacific, Bering Sea, and Sea of Okhotsk, at depths of 30–300 m depending on the region

💡 Everyday Comparisons for Size, Mass & Speed

💡 A leg span of about 1.5 m is about 3/4 the height of a door (about 2 m), and a maximum weight of about 10.9 kg is slightly heavier than a 10 kg bag of rice (Comparison).
💡 Animal Diversity Web explains that Alaskan king crabs generated hundreds of millions of dollars in revenue from 1960 to 1970, but overfishing soon reduced catches. Today, regulations allow only males to be harvested.

Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.

📊 Mass & Speed Index (0–100)

⚖️ Mass Index (Blue Whale ~190 t = 100, log scale)49

Site-computed relative index from recorded values; not a formal scientific metric.

#왕게#Paralithodes camtschaticus

📖 1. Overview

The red king crab is a large cold-water crab caught mainly in the North Pacific, which NOAA introduces as the largest of the commercially harvested crabs.

🦴 2. Anatomy & Morphology

Its body is brownish to bluish red and covered in sharp spines. It has 3 pairs of walking legs and 1 pair of claws, one of which is large and heavy-duty for crushing. The abdominal flap is triangular in males and rounded in females.

🔍 3. Ecology & Behavior

It lives in waters at or below 10 °C, spawns in April–May, and migrates to shallow coastal waters during the breeding season. Adults eat fish, bivalves, marine worms, crustaceans, and echinoderms, and it takes about 10 years from egg to reproductive adult.

🇰🇷 4. Connection to Korea

The National List of Species of Korea notes that although historical records reached as far south as Samcheok in Gangwon-do, today only juveniles are very rarely confirmed north of Sokcho. Adults have not been caught along Korea's East Sea coast for a long time.