Octopus tehuelchus, Tehuelche octopus : fisheries

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- - Classification -
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Octopus tehuelchus D'Orbigny, 1834

Tehuelche octopus

Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Octopus tehuelchus AquaMaps Data sources: GBIF OBIS

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Octopus tehuelchus

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Cephalopoda | Octopoda | Octopodidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; depth range 0 - 90 m (Ref. 275). Subtropical; 30°S - 44°S, 65°W - 50°W (Ref. 107078)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Southwest Atlantic: from Brazil to Argentina.

Length at first maturity / Size / Weight / Age

Maturity: L_m ? range ? - ? cm Max length : 30.0 cm TL male/unsexed; (Ref. 105659)

Minimum depth assumed from its ecology. Inhabits intertidal and shallow subtidal zones, on reefs and sandy areas. Found on crevices, boulders and empty gastropod and bivalve shells. Selectively feeds on grapsid crabs and small bivalves. Known to extract living hermit crabs on gastropod shells via drilling. Major source of food for juvenile shark in Argentinean waters (Ref. 96968).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Members of the class Cephalopoda are gonochoric. Male and female adults usually die shortly after spawning and brooding, respectively. Mating behavior: Males perform various displays to attract potential females for copulation. During copulation, male grasp the female and inserts the hectocotylus into the female's mantle cavity where fertilization usually occurs. Life cycle: Embryos hatch into planktonic stage and live for some time before they grow larger and take up a benthic existence as adults.

Main reference References | Coordinator | Collaborators

Roper, C.F.E., M.J. Sweeney and C.E. Nauen. 1984. (Ref. 275)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Data deficient (DD) ; Date assessed: 08 April 2016

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fisheries: commercial
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Tools

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More information

Trophic Ecology

Food items
Diet composition
Food consumption
Food rations
Predators

Ecology

Population dynamics

Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance

Life cycle

Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics

Distribution

Countries
FAO areas
Ecosystems
Occurrences
Introductions

Human Related

Aquaculture profiles
Stamps, coins, misc.

Outreach

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Taxonomy

Common names
Synonyms
Morphology
Pictures

References

Internet sources

Estimates based on models

Preferred temperature (Ref. 115969): 10.8 - 17.6, mean 14.7 (based on 106 cells).

Vulnerability (Ref. 71543): Low vulnerability (20 of 100).

Price category (Ref. 80766): Low.

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