物种评估与保护

Holothuria verrucosa

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: Least Concern 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 widespread, although little information exists regarding its population or biology. No major threats are known, therefore it is listed as Least Concern.

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 occurs from eastern Africa including Aldabra, Madagascar, Comoros, the Mascarene Basin, the Red Sea, Seychelles, and Tanzania. It is also distributed in Sandwich Is., East Indies, north Australia, Indonesia, Philippines, south Pacific Is. and Hawaiian Is, (Clark & Rowe 1971) China (Liao 1980), and Australia (Rowe & Gates 1995).

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

This species is found in very low densities in Philippines, but it is a cryptic 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

This large species is a benthic, inshore, detritus feeder and deposit feeder. It is a cryptic species that is found buried in sand, seagrasses and rubble.

Classification scheme

Habitats	Suitability	Major importance

Threats

Use trade

Although this species has very low commercial value, it is probably fished in Madagascar. In the Philippines, it may be locally consumed.

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

No information is currently available on any major threats to this species.

Classification scheme Threats

title	scope	timing	score	severity

Use trade

Although this species has very low commercial value, it is probably fished in Madagascar. In the Philippines, it may be locally consumed.

Text summary

Text summary in detail

Conservation Actions Information

There are no known species specific conservation measures for this species.