🪐 View in 3D Galaxy 📏 View on 3D Scale Stage

🧬 Biological Classification (Kingdom to Species)Arctoscopus japonicus

Kingdom

Animalia

Phylum

Chordata

Class

Actinopteri

Order

Perciformes

Family

Trichodontidae

Genus

Arctoscopus

Species

Arctoscopus japonicus

Actinopteri🥩 Carnivore

Japanese sandfish

Arctoscopus japonicus (Japanese sandfish · ハタハタ)

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

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

Geological Era

Extant

Diet

Carnivore

Length · Height

30cm · No data

Mass · Top Speed

200g · No data

Habitat & Fossil Locality

Sandy-mud bottoms of the North Pacific at depths of 100–400 m (shallow seagrass beds during the spawning season)

💡 Everyday Comparisons for Size, Mass & Speed

💡 Its common body length of 20 cm is slightly longer than a pencil, which is about 17.5 cm (Comparison).
💡 Its maximum weight of 200 g is just over the weight of three eggs, at about 60 g each (Comparison).
💡 In Korea, it can be found north of the central East Sea (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.

📊 Mass & Speed Index (0–100)

⚖️ Mass Index (Blue Whale ~190 t = 100, log scale)28

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

#도루묵#Arctoscopus japonicus

📖 1. Overview

The Japanese sandfish is a marine fish living on deep sandy bottoms north of the central East Sea. In Japan, it is bred and released for fisheries.

🦴 2. Anatomy & Morphology

Its body is strongly flattened from side to side, tall in front and tapering toward the back, and has no scales. It has a large snout and eyes with a sharply slanted mouth; its back is yellowish brown with dark brown markings, and its belly is silvery white.