Overview

Distribution

Range Description

This species is circumtropical. It is widespread in the Indian and tropical Pacific, as well as the Caribbean and Mediterannean. This species is found in the Indian Ocean, including Andaman Islands, India, and Indonesia. It is found along the African east coast from South Africa, north to the Red Sea, Arabia and the Persian Gulf, and eastward, from Australia to Japan, and to Hawaii and throughout the south Pacific islands.
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This species is recorded off both the eastern Pacific and Caribbean coasts of Panama.

On the eastern Pacific side it has been collected in the Bay of Panama off Taboga Island (USNM E 2347), Urava Island (USNM E 30482), the West side of Venado Island (USNM E 21651), and Pedro Gonzales Island, Perlas Archipelago (USNM E 21677), while in the Gulf of Chiriqui it has been recorded from Bahia Honda (USNM E 8145).

Off the Caribbean coast of Panama it has been collected off Miria Island, San Blas (USNM E 32106), from the tidal flats of Galeta Island (USNM E 39253), and off Sail Rock (USNM E 21664).

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Physical Description

Diagnostic Description

Description

Colour in life: variable, grey, yellow beneath with orange apexed papillae covering surface, or grey-brown or purple brown with yellow papillae (Humphreys, 1981). Also distributed in Mediterranean, Indian Ocean, East Indies and Pacific Islands (Pearson, 1910); SE Arabia, Persian Gulf, Maldive area, Ceylon, Bay of Bengal, East Indies, north Australia, Philippine, China, south Japan, South Pacific Is. and Hawaiian Is. (Clark & Rowe, 1971); Australia (Rowe & Gates, 1995); India (Sastry, 1996). General distribution: almost circumtropical (Tortonese, 1980); circumtropical, Indo-west Pacific Ocean, depth range 0-30 m. (Rowe & Gates, 1995). Ecology: benthic, inshore, detritus feeder, deposit feeder (Rowe & Gates, 1995).
  • Tortonese, E. (1980). Researches on the coast of Somalia. Littoral Echinodermata. Monitore zoologico italiano NS Supplemento XIII 5: 99-139.
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References and links

Hansson, H. G. (2001). Echinodermata, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 336-351.

Selenka, E. (1867). Beitrage zur Anatomie und Systematik der Holothurien. Der Philosophischen Facultat zu Gottingen in December 1866, als Dissertation vorgelegt.: pp. 291-374.

Tortonese, E. (1980). Researches on the coast of Somalia. Littoral Echinodermata. Monitore zoologico italiano NS Supplemento XIII 5: 99-139.

World Register of Marine Species

LSID urn:lsid:marinespecies.org:taxname:125185


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Synonymised taxa

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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology

Around Florida, Puerto Rico and the U.S. Virgin Islands, this species occurs in mangrove grassbeds, coral reefs and sandy or silty environments between 1 and 10m. In the Comores, it inhabits rocks in shallow waters between 0 and 2m, however it can be observed up to 30m (Samyn et al. 2006).


Systems
  • Marine
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Depth range based on 64 specimens in 1 taxon.
Water temperature and chemistry ranges based on 35 samples.

Environmental ranges
  Depth range (m): 0 - 67
  Temperature range (°C): 19.203 - 28.695
  Nitrate (umol/L): 0.090 - 6.523
  Salinity (PPS): 33.032 - 37.646
  Oxygen (ml/l): 4.163 - 5.265
  Phosphate (umol/l): 0.064 - 0.824
  Silicate (umol/l): 0.926 - 5.791

Graphical representation

Depth range (m): 0 - 67

Temperature range (°C): 19.203 - 28.695

Nitrate (umol/L): 0.090 - 6.523

Salinity (PPS): 33.032 - 37.646

Oxygen (ml/l): 4.163 - 5.265

Phosphate (umol/l): 0.064 - 0.824

Silicate (umol/l): 0.926 - 5.791
 
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Depth range based on 1 specimen in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 1.5 - 1.5
  Temperature range (°C): 24.146 - 24.146
  Nitrate (umol/L): 0.166 - 0.166
  Salinity (PPS): 35.418 - 35.418
  Oxygen (ml/l): 4.889 - 4.889
  Phosphate (umol/l): 0.142 - 0.142
  Silicate (umol/l): 1.345 - 1.345
 
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Holothuria truncata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 4
Species With Barcodes: 1
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Statistics of barcoding coverage: Holothuria impatiens

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 146
Species With Barcodes: 1
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Genomic DNA is available from 10 specimens with morphological vouchers housed at Coastal Marine Biolabs
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
Conand, C., Purcell, S. & Gamboa, R.

Reviewer/s
Polidoro, B., Carpenter, K.E., Knapp, L. & Harwell, H.

Contributor/s

Justification
This species is widespread in the Indian and tropical Pacific, and may be common in some parts of its range. It is collected in some parts of its range. Its population is likely not undergoing widespread decline globally, but the taxonomy of the species needs revision, as it is likely a complex. It is listed as Data Deficient. More research is needed on this species taxonomy and biology.
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Population

Population

This species can be common. Around Florida, Puerto Rico and the U.S. Virgin Islands, this species occurs in densities of up to 1-2 animals per 10m2. Higher densities are occasionally observed (Bruckner 2006).


Population Trend
Unknown
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Threats

Major Threats
Although not one of the most important species (low value) for fishery purposes, it can be expected that this species may become more popular after the depletion or reduction of other species of higher commercial importance and value.
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Management

Conservation Actions

Conservation Actions
There are no known species specific conservation measures for this species. More research is needed on the taxonomy and biology of this species.
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