Overview

Brief Summary

Biology

zooxanthellate
  • UNESCO-IOC Register of Marine Organisms
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Comprehensive Description

Biology: Skeleton

More info
AuthorSkeleton?Mineral or Organic?MineralPercent Magnesium
Veron, 2000 YES MINERAL ARAGONITE
Cairns, Hoeksema, and van der Land, 1999 YES MINERAL ARAGONITE
Yabe, Sugiyama, and Eguchi, 1936 YES MINERAL ARAGONITE
Crossland, 1952 YES MINERAL ARAGONITE
Yabe and Sugiyama, 1935 YES MINERAL ARAGONITE
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Distribution

Range Description

In the Indo-West Pacific, this species is found in the Red Sea and the Gulf of Aden, the southwest and central Indian Ocean, the central Indo-Pacific, tropical Australia, southern Japan and the South China Sea, the oceanic West Pacific, and the central Pacific.
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Physical Description

Diagnostic Description

Description

Colonies are small bushes or tangles of thin branches up to about 25 cm across on fore-reef slopes. In sheltered, sedimented or lagoonal areas, however, colonies reach 1 m across. Branches are usually 1-4 mm thick and are sharply pointed and fragile. The linear alignment of calices is very noticeable, and calices are markedly oval in most cases. S. hystrix occurs over a wide range of depths, but is particularly abundant in shallow water in sheltered conditions. It is most abundant in back reef of lagoonal areas where colonies can cover up to 30% of the substrate (Sheppard, 1998). Branches are tapered to a point; they may be either widely spaced or compact. Colour: cream, blue or pink. Abundance: common in all shallow reefal environments (Veron, 1986). Easily recognisable. Fine branches (1.5-4.5 cm thick) with tapering tips; corallites (up to 1.5 mm across) in neat rows, slightly hooded. Forms compact shrub-like colonies. Colour: delicately coloured in cream, blue or pink. Habitat: shallow outer reef areas and sheltered inner algal and seagreas beds (Richmond, 1997); rocks (Kalk, 1959).
  • Veron, J.E.N. (1986). Corals of Australia and the Indo-Pacific. Angus & Robertson Publishers, London.
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Type Information

Syntype for Seriatopora hystrix Dana, 1846
Catalog Number: USNM 346
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Dry
Year Collected: 1838
Locality: Fiji, South Pacific Ocean
  • Syntype: Dana. 1846. Zoophytes. 7: 521, pl.49, fig.3.
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Syntype for Seriatopora hystrix Dana, 1846
Catalog Number: USNM 5739
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Dry
Year Collected: 1838
Locality: Fiji, South Pacific Ocean
  • Syntype: Dana. 1846. Zoophytes. 7: 521, pl.49, fig.3.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is found in shallow tropical reef environments, especially intertidal reef flats. S. hystrix is commonly found from 3-15 m, rarely from 1-2 m and deeper from 18-20 m, in the South China Sea and Gulf of Siam. (Titlyanov and Titlyanova 2002). It can form large fields of over 1 m across.

Systems
  • Marine
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Depth range based on 298 specimens in 1 taxon.
Water temperature and chemistry ranges based on 112 samples.

Environmental ranges
  Depth range (m): 0 - 183
  Temperature range (°C): 25.480 - 28.366
  Nitrate (umol/L): 0.046 - 5.762
  Salinity (PPS): 34.072 - 35.198
  Oxygen (ml/l): 3.734 - 4.696
  Phosphate (umol/l): 0.044 - 0.433
  Silicate (umol/l): 0.523 - 4.892

Graphical representation

Depth range (m): 0 - 183

Temperature range (°C): 25.480 - 28.366

Nitrate (umol/L): 0.046 - 5.762

Salinity (PPS): 34.072 - 35.198

Oxygen (ml/l): 3.734 - 4.696

Phosphate (umol/l): 0.044 - 0.433

Silicate (umol/l): 0.523 - 4.892
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Seriatopora hystrix

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There are 3 barcode sequences available from BOLD and GenBank.  Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.  See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

ATTCGATGGATTTTTTCAACCAATCATAAAGATATCGGTAGTTTGTATCTAATTTTTGGTGGGGGTGCTGGTTTAATCGGGACGGCGTTT---AGTATGCTTATACGACTCGAGCTTTCTGCGCCCGGAGCGATGTTAGGAGAT---GATCATCTTTATAATGTAATTGTTACAGCACATGCTTTTATTATGATTTTTTTTTTGGTTATGCCCGTTATGATTGGGGGGTTTGGTAATTGATTGGTCCCATTA---TATATTGGGGCGCCGGATATGGCGTTTCCCCGACTAAACAATATTAGTTTTTGACTTTTGCCCCCTGCGCTTTTTTTATTATTAGGCTCTGCTTTTATTGAACAAGGGGCGGGGACGGGGTGAACAGTTTATCCTCCTCTTGCTAGTATTCAAGCACACTCCGGAGGTTCGGTTGATATG---GTTATTTTTAGTCTTCATTTAGCTGGGGTTTCTTCTATTTTAGGTGCTATAAACTTTATTACTACAATTTTAAATATGCGAGCCCCGGGTGTGTCTTTTAATAAACTACCTTTATTTGTTTGATCTATTTTAATAACAGCTTTTTTATTGCTTTTATCTTTACCTGTTTTAGCTGGT---GCTATTACTATGTTGTTAACAGATAGAAACTTTAATACGACTTTTTTCGATCCAGCGGGTGGCGGGGACCCAATATTATTTCAGCATCTATTTTGATTCTTTGGGCATCCAGAAGTTTATATTTTAATTTTGCCTGGTTTTGGTATGATTTCTCAAATAATCCCGACTTTTGTTGCTAAAAAA---CAAGTTTTCGGGTATTTAGGAATGGTTTATGCCATGCTTTCTATTGGGCTTCTGGGATTTATTGTTTGAGCTCATCATATGTTTACTGTTGGGATGGATGTAGATACAAGAGCATATTTTACTGCTGCTACTATGATTATTGCTGTGCCAACTGGGATTAAAGTTTTTAGTTGGTTG---GCAACT
-- end --

Download FASTA File
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Statistics of barcoding coverage: Seriatopora hystrix

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 3
Specimens with Barcodes: 6
Species With Barcodes: 1
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Genomic DNA is available from 2 specimens with morphological vouchers housed at Ocean Genome Legacy
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Hoeksema, B., Rogers, A. & Quibilan, M.

Reviewer/s
Livingstone, S., Polidoro, B. & Smith, J. (Global Marine Species Assessment)

Contributor/s

Justification
The most important known threat for this species is extensive reduction of coral reef habitat due to a combination of threats. Specific population trends are unknown but population reduction can be inferred from estimated habitat loss (Wilkinson 2004). It is widespread and common throughout its range and therefore is likely to be more resilient to habitat loss and reef degradation because of an assumed large effective population size that is highly connected and/or stable with enhanced genetic variability. Therefore, the estimated habitat loss of 20% from reefs already destroyed within its range is the best inference of population reduction since it may survive in coral reefs already at the critical stage of degradation (Wilkinson 2004). This inference of population reduction over three generation lengths (15 years) does not meet the threshold of a threat category and this species is Least Concern. However, because of predicted threats from climate change and ocean acidification it will be important to reassess this species in 10 years or sooner, particularly if the species is also observed to disappear from reefs currently at the critical stage of reef degradation.
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Population

Population
This is a common species.

There is no species specific population information available for this species. However, there is evidence that overall coral reef habitat has declined, and this is used as a proxy for population decline for this species. This species is more resilient to some of the threats faced by corals and therefore population decline is estimated using the percentage of destroyed reefs only (Wilkinson 2004). We assume that most, if not all, mature individuals will be removed from a destroyed reef and that on average, the number of individuals on reefs are equal across its range and proportional to the percentage of destroyed reefs. Reef losses throughout the species' range have been estimated over three generations, two in the past and one projected into the future.

The age of first maturity of most reef building corals is typically three to eight years (Wallace 1999) and therefore we assume that average age of mature individuals is greater than eight years. Furthermore, based on average sizes and growth rates, we assume that average generation length is 10 years, unless otherwise stated. Total longevity is not known, but likely to be more than ten years. Therefore any population decline rates for the Red List assessment are measured over at least 30 years. Follow the link below for further details on population decline and generation length estimates.

Population Trend
Unknown
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Threats

Major Threats
This species is targeted for the aquarium trade. Indonesia is the largest exporter with an annual quota of 3,200 live pieces in 2005. Fiji had an export quota of 5,644 pieces in 2005. The total number of corals (live and raw) exported for this species in 2005 was 15,077.

In general, the major threat to corals is global climate change, in particular, temperature extremes leading to bleaching and increased susceptibility to disease, increased severity of ENSO events and storms, and ocean acidification.

Coral disease has emerged as a serious threat to coral reefs worldwide and a major cause of reef deterioration (Weil et al. 2006). The numbers of diseases and coral species affected, as well as the distribution of diseases have all increased dramatically within the last decade (Porter et al. 2001, Green and Bruckner 2000, Sutherland et al. 2004, Weil 2004). Coral disease epizootics have resulted in significant losses of coral cover and were implicated in the dramatic decline of acroporids in the Florida Keys (Aronson and Precht 2001, Porter et al. 2001, Patterson et al. 2002). In the Indo-Pacific, disease is also on the rise with disease outbreaks recently reported from the Great Barrier Reef (Willis et al. 2004), Marshall Islands (Jacobson 2006) and the northwestern Hawaiian Islands (Aeby 2006). Increased coral disease levels on the GBR were correlated with increased ocean temperatures (Willis et al. 2007) supporting the prediction that disease levels will be increasing with higher sea surface temperatures. Escalating anthropogenic stressors combined with the threats associated with global climate change of increases in coral disease, frequency and duration of coral bleaching and ocean acidification place coral reefs in the Indo-Pacific at high risk of collapse.

Localized threats to corals include fisheries, human development (industry, settlement, tourism, and transportation), changes in native species dynamics (competitors, predators, pathogens and parasites), invasive species (competitors, predators, pathogens and parasites), dynamite fishing, chemical fishing, pollution from agriculture and industry, domestic pollution, sedimentation, and human recreation and tourism activities.

The severity of these combined threats to the global population of each individual species is not known.
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Management

Conservation Actions

Conservation Actions
All corals are listed on CITES Appendix II. Parts of the species’ range fall within Marine Protected Areas.

Recommended measures for conserving this species include research in taxonomy, population, abundance and trends, ecology and habitat status, threats and resilience to threats, restoration action; identification, establishment and management of new protected areas; expansion of protected areas; recovery management; and disease, pathogen and parasite management. Artificial propagation and techniques such as cryo-preservation of gametes may become important for conserving coral biodiversity.

Having timely access to national-level trade data for CITES analysis reports would be valuable for monitoring trends this species. The species is targeted by collectors for the aquarium trade and fisheries management is required for the species, e.g., MPAs, quotas, size limits, etc. Consideration of the suitability of species for aquaria should also be included as part of fisheries management, and population surveys should be carried out to monitor the effects of harvesting. Recommended conservation measures include population surveys to monitor the effects of collecting for the aquarium trade, especially in Indonesia.
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