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Tritia mutabilis, Changeable nassa : fisheries

Common name (e.g. turtle)

Genus + Species (e.g. Caretta caretta)

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Tritia mutabilis   (Linnaeus, 1758)

Changeable nassa
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Tritia mutabilis

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

Gastropoda | Neogastropoda | Nassariidae

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

Benthic; depth range 2 - 50 m (Ref. 101608).  Subtropical; 46°N - 30°N, 6°W - 37°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Mediterranean Sea.

Length at first maturity / Size / Weight / Age

Maturity: Lm 2.4, range 2 - ? cm Max length : 3.8 cm SHL male/unsexed; (Ref. 109255); common length : 2.5 cm SHL male/unsexed; (Ref. 109255)

Biology     Glossary (e.g. epibenthic)

Minimum depth range from Ref. 121806. Occurs throughout the Mediterranean coastal waters (Ref. 121808). Subtidal (Ref. 105316). Inhabits fine well-sorted sand (Ref. 2780) and fine muddy sands (Ref. 121806). Often buried into substrate with its proboscis protruding. Emerges at night to forage (Ref. 107005). Also found offshore (Ref. 121805). Genus is known to scavenge (Ref. 104227). Juveniles feed on detritus-rich substrate while adults are carnivores and scavengers (Ref. 107005).

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

This species is a non-broadcast spawner. Life cycle does not include trocophore stage (Ref. 126039). Assumed sex reversal from male to female occurs at lengths 1.8 to 2.0 cm ShH (Ref. 107005). Also Ref. 833.

Main reference References | Coordinator | Collaborators

Gusso, C.C., M.F. Gravina and F.R. Maggiore. 2001. (Ref. 2780)

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

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses

Fisheries: commercial
| FishSource |

Tools

E-book | Field guide

More information

Trophic Ecology
Food items
Diet composition
Food consumption
Food rations
Predators
Ecology
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
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Pictures
References
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 16.2 - 21.4, mean 18.8 (based on 112 cells).
Resilience (Ref. 69278): High, minimum population doubling time less than 15 months (K=0.48).
Vulnerability (Ref. 71543): Moderate to high vulnerability (46 of 100).
Price category (Ref. 80766): Unknown.

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