Phyllacanthus imperialis, Lance urchin
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Phyllacanthus imperialis   Lamarck, 1816

Lance urchin

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Phyllacanthus imperialis  AquaMaps  Data sources: GBIF OBIS
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Phyllacanthus imperialis

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

Echinoidea | Cidaroida | Cidaridae

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

Reef-associated; depth range 0 - 73 m (Ref. 95661).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific: East Africa and the Red Sea to Australia and Japan.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 7.0 cm WD male/unsexed; (Ref. 800)

Biology     Glossary (e.g. epibenthic)

Maximum primary spine length: 8.0 cm. Inhabits shallow reef areas at depths of 0 to 15 m. Hides in holes or under corals at day time (Ref. 800); and burrows in coral rock (Refs. 81254, 129602). Feeds on algae and small invertebrates (Ref. 800). Associated with coral communities. Nocturnal. Feeds on encrusting organisms (Ref. 129602).

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

Members of the class Echinoidea are gonochoric. Fertilization is external. Brooding is common, eggs are held either on the peristome, around the periproct or deep into the concavities on the petaloids. Life cycle: Embryos develop into planktotrophic larvae (echinoplateus) and live for several months before they sink to the bottom using their tube feet to adhere on the ground where they metamorphose into young urchins.

Main reference References | Coordinator | Collaborators

Schoppe, S. 2000 A guide to common shallow water sea stars, brittle stars, sea urchins, sea cucumbers and feather stars (echinoderms) of the Philippines. Times Media Private Limited, Singapore. 144 p. (Ref. 800)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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Trophic Ecology
Food items (preys)
Diet composition
Food consumption
Predators
Ecology
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
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FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
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Taxonomy
Common names
Synonyms
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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): 22.6 - 29.3, mean 28.2 (based on 2492 cells).
Fishing Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.

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