Diadema savignyi, Savigny's long-spine sea urchin : fisheries

Diadema savignyi   Michelin, 1845

Savigny's long-spine sea urchin

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

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

Echinoidea | Diadematoida | Diadematidae

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

Benthic; depth range 0 - 70 m (Ref. 81020).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-Pacific: East Africa to the South Pacific Islands and Japan.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 25.0 cm WD male/unsexed; (Ref. 87866)

Biology     Glossary (e.g. epibenthic)

Maximum length assumed to refer to total width (spinetip to spinetip) based on Ref. 87866. Occurs in shallow waters, especially in disturbed areas where it occurs in large aggregations. Feeds on algae. Associated with Stegopontonia commensalis (commensal) (Ref. 800).

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. (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

Fisheries: commercial
| FishSource | Sea Around Us

Tools

E-book | Field guide

More information

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
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
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): 21.1 - 28.8, mean 27.2 (based on 794 cells).
Fishing Vulnerability (Ref. 71543): Low vulnerability (19 of 100).
Price category (Ref. 80766): Unknown.
Nutrients :  Calcium = 126 [75, 177] mg/100g; Iron = 5.08 [1.67, 7.92] mg/100g; Protein = 12%; Omega3 = 0.331 [0.263, 0.400] g/100g; Selenium = 0.04 [48.48, 67.17] μg/100g; VitaminA = 0 μg/100g; Zinc = 1.97 [0.92, 3.02] mg/100g (wet weight); based on nutrient studies.

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