Aptocyclus ventricosus (Pallas, 1769)
Smooth lumpsucker
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| Aptocyclus ventricosus AquaMaps Data sources: GBIF OBIS |
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Aptocyclus ventricosus
Picture by Orlov, A.
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Picture by Orlov, A.
Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Scorpaeniformes (Scorpionfishes and flatheads) > Cyclopteridae (Lumpfishes)
Etymology: Aptocyclus: Greek, aptos, -e, -on = visible, tangible + Greek, kyklos = circle (Ref. 45335).
Etymology: Aptocyclus: Greek, aptos, -e, -on = visible, tangible + Greek, kyklos = circle (Ref. 45335).
Environment / Climate / Range Ecology
Marine; benthopelagic; depth range 0 - 1700 m (Ref. 50550). Temperate; 66°N -
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 41.0 cm TL male/unsexed; (Ref. 56527); max. published weight: 2.3 kg (Ref. 56527)
Max length : 41.0 cm TL male/unsexed; (Ref. 56527); max. published weight: 2.3 kg (Ref. 56527)
Short description Morphology | Morphometrics
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 (Ref. 6885). Skin naked without scales and tubercles. First dorsal fin completely embedded under the skin. Disk rudimentary in young, well developed in adults (Ref. 43939).
Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri
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.
Males are said to guard the eggs (Ref. 6885). Migrate to spawn in littoral waters of Bering Sea in December-June (Ref. 43939).
Main reference
Upload your references | References | Coordinator | Collaborators
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 336 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Harmless
Human uses
FAO(Publication : search) | FisheriesWiki | Sea Around Us
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Common names
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Eggs
Egg development
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
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Age/Size
Growth
Length-weight
Length-length
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References
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Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Tools
E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree
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Special reports
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Internet sources
BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805): PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00000 (0.00000 - 0.00000), b=0.00 (0.00 - 0.00), based on (Ref. 93245).
Trophic Level (Ref. 69278): 4.0 ±0.3 se; Based on diet studies.
Resilience (Ref. 69278): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153): Moderate to high vulnerability (53 of 100) .