物种评估与保护

Holothuria olivacea

Source:IUCN

Taxonomy

Taxonomy in detail

Scientific name

Authority

Synonyms

Common names

Taxonomic sources

Identification Information

Taxonomic notes

Assessment Information

IUCN Red List Category and Criteria: Data Deficient ver 3.1
Assessment language: English
Year published: 2013
Date assessed: 2010-05-18 00:00:00 UTC

Assessment Information in detail

Previously published Red List assessments

Regional assessments

Assessor(s)

Reviewer(s)

Contributor(s)

Facilitator(s) / Compiler(s)

Partner(s) / Institution(s)

Authority / Authorities

Justification

This species is only known from a few disjunct records throughout the Indo-Pacific. There may be taxonomic discrepancies across its range due to confusion with other species. There is little to no information available on the population status, habitat, ecology, major threats, or conservation measures occurring to this species. More research is needed in all of these areas. Therefore this species is listed as Data Deficient.

Geographic Range

Native

Extant (resident)

Extant

Number of locations

Geographic Range in detail

FAO Fishing Areas

Estimated area of occupancy (AOO) (km²)

Continuing decline in area of occupancy (AOO)

Extreme fluctuations in area of occupancy (AOO)

Estimated extent of occurrence (EOO) (km²)

Continuing decline in extent of occurrence (EOO)

Extreme fluctuations in extent of occurrence (EOO)

Continuing decline in number of locations

Extreme fluctuations in the number of locationsN

RANGE DESCRIPTION

This species is known from a few disjunct specimens from Madagascar, Australia, China, Indonesia, Papua New Guinea, and Hawaii. Holothuria fuscoolivacea (a synonym) has been recorded from the eastern central Pacific (USA) and from Australia.

Population

Current population trend

Unknown

Number of mature individuals

Population severely fragmented

Continuing decline of mature individuals

Population in detail

Extreme fluctuations

No. of subpopulations

Continuing decline in subpopulations

Extreme fluctuations in subpopulations

All individuals in one subpopulation

No. of individuals in largest subpopulation

Description

There is no known information currently available on the population of this species.

Habitat and Ecology

System

Marine

Number of mature individuals

Continuing decline in area, extent and/or quality of habitat

Generation length (years)

Congregatory

Movement patterns

Habitat and Ecology in detail

Habitat and Ecology

There is no known information currently available on the habitat and ecology of this species.

Classification scheme

Habitats	Suitability	Major importance

Threats

Use trade

This species is not utilized.

Residential & commercial development

Agriculture & aquaculture

Energy production & mining

Transportation & service corridors

Biological resource use

Human intrusions & disturbance

Natural system modifications

Pollution

Geological events

Climate change & severe weather

Threats in detail

Threats

It is not known if there are any major threats to this species.

Classification scheme Threats

title	scope	timing	score	severity

Use trade

This species is not utilized.

Text summary

Text summary in detail

Conservation Actions Information

There are no known species specific conservation measures for this species. More research is needed on the population status, habitat, ecology, major threats, and conservation measures for this species.