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🌊 Marine 🌡️ Temperate

Smooth lumpsucker

Aptocyclus ventricosus Pallas, 1769
Max Length
41 cm
Max Weight
2.3 kg
Lifespan
-
Trophic Level
3.7
Depth
0–1700 m
Climate
Temperate
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Males are said to guard the eggs . Migrate to spawn in littoral waters of Bering Sea in December-June .

Scientific Name
Aptocyclus ventricosus
Authority
Pallas, 1769
Habitat
Marine
Climate
Temperate
Body Shape
Short and / or deep
Max Length
41 cm
Max Weight
2.3 kg
Depth Range
0–1700 m
Trophic Level
3.7
Resilience
Medium
Vulnerability
35.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 8 - 9; Anal spines: 0; Anal soft rays: 7 - 9. Brownish gray with dark spots dorsally, muddy gray ventrally. Caudal fin rounded; pectoral fins large and broadly based; pelvic fins modified to form a clinging disc with a thickened margin on the ventral surface of the body . Skin naked without scales and tubercles. First dorsal fin completely embedded under the skin. Disk rudimentary in young, well developed in adults .: short and / or deep.

🌀 Behaviour

Behavioural data for Smooth lumpsucker is currently being reviewed.

🦐 Diet

Diet information for Smooth lumpsucker is currently being compiled.

🥚 Reproduction

Reproduction data for Smooth lumpsucker is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 0 - 1700 m . Temperate; 66°N - North Pacific: Pusan, Korea north (outside the Sea of Okhotsk) to Providence Bay in the Anadyr Gulf of the Bering Sea, throughout the Aleutian Basin and islands, and southeast to Mathieson Channel, British Columbia, Canada.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.7±0.38

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
41cm
Max Weight
2,300g
Dorsal Rays
9
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3.7
Predator
Body Shape
Short and / or deep
Climate Zone
Temperate
Described By
Pallas, 1769

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Aptocyclus glaber Steindachner 1881 Synonym
Cyclopterichthys glaber Steindachner 1881 Synonym
Cyclopterichthys ventricosus Pallas 1769 Synonym
Cyclopterus stelleri Pallas 1814 Synonym
Cyclopterus ventricosus Pallas 1769 Synonym
Elephantichthys copeianus Hubbs & Schultz 1934 Synonym
Pelagocyclus vitiazi Lindberg & Legeza 1955 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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