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🧬 Biological Classification (Kingdom to Species)Regalecus russellii

Kingdom

Animalia

Phylum

Chordata

Class

Actinopteri

Order

Lampriformes

Family

Regalecidae

Genus

Regalecus

Species

Regalecus russellii

Actinopteri🥩 Carnivore

Oarfish

Regalecus russellii (Oarfish · Oarfish)

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

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

Geological Era

Extant

Diet

Carnivore

Length · Height

8m · No data

Mass · Top Speed

No data · No data

Habitat & Fossil Locality

Deep sea, rarely near coastal waters

💡 Everyday Comparisons for Size, Mass & Speed

💡 Its maximum total length of 8 m is close to the length of two passenger cars (about 4.5 m each) lined up end to end (Comparison).
💡 The National List of Species of Korea notes that it is a fish long enough to be listed in the Guinness World Records as the largest fish.
💡 In Korea, it has been recorded in the waters of Busan, Yeosu, and Jeju (National List of Species of Korea).

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.

#산갈치#Regalecus russellii

📖 1. Overview

The oarfish is a long, ribbon-like flattened fish that lives in the deep sea and occasionally comes near the coast. The National List of Species of Korea explains that it is so long that it was listed in the Guinness World Records as the largest (longest) fish.

🦴 2. Anatomy & Morphology

Its body is strongly flattened, silvery-gray, and smooth without scales. The dorsal fin runs long along the body, all fins are crimson, there is no anal fin, and the pelvic fins are thin, long, and thread-like.

🔍 3. Ecology & Behavior

It feeds on crustaceans, small fish, and squid, and its spawning season is from July to December. Large adults are known to leave their habitat for no apparent reason and swim onto beaches where they die, and it also has an unusual adaptation of shedding the rear part of its body (autotomy).