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Japanese aulopus (Hime japonica) — Aulopidae

Japanese aulopus

Hime japonica
Family: Aulopidae
DD · Data Deficient

The Japanese aulopus (Hime japonica) is a saltwater fish of the family Aulopidae that grows up to 22 cm.

Length
22.3 cm
Water
Saltwater
Depth
85.0–510.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Northwest Pacific; sandy and muddy bottoms.
Edibility
Rarely eaten

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Description

The Japanese greeneye is an aulopus (Aulopidae) from the northwestern Pacific. The species has an elongate body with a large mouth, large eyes and a tall dorsal fin. It lives bottom-bound on sandy or muddy bottoms, to at least thirty metres depth. As an ambush hunter it rests on the bottom and darts up at passing small fishes and crustaceans. The species is harmless to humans.

Frequently asked questions

How do you recognise the Japanese aulopus?

The Japanese aulopus has an elongate, eel-like body, is mainly red-orange and shows a spots pattern. Bottom-resting ambush predator with a large mouth and a tall dorsal fin; shoots upwards at prey.

Where does the Japanese aulopus live?

The Japanese aulopus lives in the sea (marine waters) and is mostly found around sand or mud bottom. Northwest Pacific; sandy and muddy bottoms.

How big does the Japanese aulopus get?

The Japanese aulopus grows to a maximum of about 22 cm. On average the species is around 15 cm.

Is the Japanese aulopus dangerous to humans?

No, the Japanese aulopus is harmless to humans. None required: this species is harmless to humans.

Is the Japanese aulopus edible?

The Japanese aulopus is rarely eaten.

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All data

Identification

English name
Japanese aulopus verified
Scientific name
Hime japonica
Family
Aulopidae
Other names
Japanese threadsail; Japanese thread-sail fish verified

Appearance

Size class
Medium verified
Max length (cm)
22.3 verified
Average length (cm)
15.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Red / orange inferred
Pattern
Spots inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
85.0 verified
Max depth (m)
510.0 verified
Natural range
Northwest Pacific; sandy and muddy bottoms. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Passing small fishes and crustaceans sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Bottom-resting ambush predator with a large mouth and a tall dorsal fin; shoots upwards at prey. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Hime

More from the family Aulopidae

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