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Sthenelais boa

Common name (e.g. turtle)

Genus + Species (e.g. Caretta caretta)

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        Sigalionidae
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Sthenelais boa   (Johnston, 1839)


Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Sthenelais boa  AquaMaps  Data sources: GBIF OBIS
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No photo available for this species.
No drawings available for Sigalionidae.

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

Polychaeta | Phyllodocida | Sigalionidae

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

Benthic; brackish; depth range 4 - 24 m (Ref. 112705).  Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific, Atlantic Ocean and the Mediterranean.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 20.0 cm TL male/unsexed; (Ref. 7882)

Biology     Glossary (e.g. epibenthic)

Species' maximum length from the Belgian part of the North Sea (Ref. 7882). Found in estuarine and inshore areas (Ref. 96352); along the near-coastal and coastal zones in fine and coarse sediments partially enriched with mud (40% maximum mud content) (Refs . 2780, 7882, 96352). A carnivore-scavenger (Ref. 96352).

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

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

Human uses


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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): 6.2 - 23.6, mean 12.1 (based on 1193 cells).
Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.

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