Home · Cyclopteridae · Pacific spiny lumpsucker
Pacific spiny lumpsucker (Eumicrotremus orbis) — Cyclopteridae

Pacific spiny lumpsucker

Eumicrotremus orbis
Family: Cyclopteridae
LC · Least Concern

The Pacific spiny lumpsucker (Eumicrotremus orbis) is a saltwater fish of the family Cyclopteridae that grows up to 18 cm.

Length
18 cm
Water
Saltwater
Depth
0.0–575.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
North Pacific
Edibility
Not eaten

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Description

The Pacific spiny lumpsucker is a small, globular fish from the northern Pacific. The species grows to about 18 cm and has an almost spherical body covered with cone-shaped bony tubercles, and on the belly a sucking disc with which it clings to stones and weeds. It swims slowly and stays among kelp and on rocky bottoms of cold coastal water. The fish is harmless to humans and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the Pacific spiny lumpsucker?

The Pacific spiny lumpsucker has a flattened, disc-shaped body, is mainly brown and shows a plain pattern. Globular body with bony knobs and a ventral sucker

Where does the Pacific spiny lumpsucker live?

The Pacific spiny lumpsucker lives in the sea (marine waters) and is mostly found around sand or mud bottom. North Pacific

How big does the Pacific spiny lumpsucker get?

The Pacific spiny lumpsucker grows to a maximum of about 18 cm.

Is the Pacific spiny lumpsucker dangerous to humans?

No, the Pacific spiny lumpsucker is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Pacific spiny lumpsucker edible?

The Pacific spiny lumpsucker is not usually eaten.

More photos

Pacific spiny lumpsucker (Eumicrotremus orbis) — Cyclopteridae — 2
iNaturalist ((c) Sara Thiebaud, some rights reserved (CC BY-NC))
Pacific spiny lumpsucker (Eumicrotremus orbis) — Cyclopteridae — 3
iNaturalist ((c) Kim Nesbitt, some rights reserved (CC BY-NC))
Pacific spiny lumpsucker (Eumicrotremus orbis) — Cyclopteridae — 4
iNaturalist ((c) maradg, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Pacific spiny lumpsucker verified
Scientific name
Eumicrotremus orbis
Family
Cyclopteridae
Other names
Pacific spiny lumpsucker; Spiny lumpsucker verified

Appearance

Size class
Medium verified
Max length (cm)
18.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown inferred
Pattern
Plain sourced
Tail shape
Rounded inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
0.0 verified
Max depth (m)
575.0 verified
Natural range
North Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small crustaceans, worms and molluscs inferred
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Suction-clinging lumpsucker of cold coastal water; present year-round. sourced
Special features
Globular body with bony knobs and a ventral sucker sourced

For anglers

Edibility
Not 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
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Eumicrotremus

More from the family Cyclopteridae

Fin

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