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Ophiomastix janualis

Common name (e.g. turtle)

Genus + Species (e.g. Caretta caretta)

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Ophiomastix janualis   Lyman, 1871


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

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

Ophiuroidea | Ophiacanthida | Ophiocomidae

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

Reef-associated; depth range 0 - 22 m (Ref. 81020).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 2.8 cm WD male/unsexed; (Ref. 800)

Biology     Glossary (e.g. epibenthic)

The maximum size refers to disc diameter. The arm length is measured at 18 cm (Ref. 128807). Occurs beneath coral slabs and in holes and crevices; also in branching corals (Ref. 800). They are also found at the reef edge, with a sandy, rubble, and dead coral substrates (Ref. 87041), also in silty, seagrass, sandy rocky, algal mats, hydroids, Thalassia beds and coral reefs (Ref. 128807). Feeding as juveniles may be facilitated through parasitic feeding (Ref. 102357).

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

Members of the class Ophiuroidea are mostly gonochoric, others are protandric. Fertilization is external. Brooding is common, bursae is used as brood chambers where the embryos develop into juveniles and later crawl out from the bursal slits. Life cycle: Embryos hatch into free-swimming planktotrophic larvae and later metamorphose into tiny brittle stars which sink down the bottom where they grow into adult form.

Main reference References | Coordinator | Collaborators

Schoppe, S. 2000. (Ref. 800)

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


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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): 22.9 - 29.3, mean 28.3 (based on 2843 cells).
Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.

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