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Related species
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Lepidonotus - Species in
Polynoidae - - Classification / Names -
- Polynoidae
- Phyllodocida
- Polychaeta
- Chordata
- Animalia
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Lepidonotus squamatus (Linnaeus, 1767)
Twelve scaled worm
Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS
Polychaeta | Phyllodocida | Polynoidae
Environment: milieu / climate zone / depth range / distribution range Ecology
Benthic; depth range ? - 2700 m (Ref. 81539). Temperate
Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions
Pacific Ocean, Northeast Atlantic and the Mediterranean Sea.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Found on volcanic mud at a depth of 823.5 m (Ref. 78667). Littoral and sub-littoral, to depths of 2700 meters. Under stones and among undergrowth. Also found in brackish water (Ref. 81539). On exposed rocky shores, amongst Mytilisepta virgata beds (Ref. 126136).
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the class Polychaeta are mostly gonochoric (sexual). Mating: Females produce a pheromone attracting and signalling the males to shed sperm which in turn stimulates females to shed eggs, this behavior is known as swarming. Gametes are spawned through the metanephridia or body wall rupturing (termed as "epitoky", wherein a pelagic, reproductive individual, "epitoke", is formed from a benthic, nonreproductive individual, "atoke"). After fertilization, most eggs become planktonic; although some are retained in the worm tubes or burrowed in jelly masses attached to the tubes (egg brooders). Life Cycle: Eggs develop into trocophore larva, which later metamorph into juvenile stage (body lengthened), and later develop into adults.
Main reference
References | Coordinator | Collaborators
Harms, J. 1993. (Ref. 2711)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Not Evaluated
CMS (Ref. 116361)
Not Evaluated
Threat to humans
Human uses
| FishSource |
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More information
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
Price category
(Ref. 80766):
Unknown.