Overview

Distribution

Range Description

C. henckesi is endemic to islands of Brazil where it has been found on Itaparica (inhabited) and Medo Island (uninhabited) which are off the coast of Bahia state, Brazil (Coltro 2004).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This small species is found during the summer months (December - March) in very shallow water (1-2 m) in sand. In the winter months they move into deeper water up to 20 m (Coltro 2004). Adults are typically 17 mm in length (Rosenberg 2009).

Systems
  • Marine
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
VU
Vulnerable

Red List Criteria
B2ab(iii)

Version
3.1

Year Assessed
2013

Assessor/s
Coltro, J.

Reviewer/s
Peters, H. & Petuch, E.

Contributor/s

Justification
This species is only known from two islands in All Saint's Bay in the state of Bahia, Brazil. It is a shallow water species. This species is highly restricted in its range, occurring along a coastline of only 50 km off Brazil with an approximate AOO of 120 km2. There has been a lot of urban and tourism coastal development in recent years which poses a threat to this species habitat. As with all Conus spp it is subject to gathering which could place additional pressure on populations especially as it inhabits shallow water. This species actually triggers the Endangered category under B2 a) and b). However, this category may be too high as there has been no noticeable decline in population. Therefore this species is listed as Vulnerable.
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Population

Population
There is no population information for this species.

Population Trend
Unknown
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Threats

Major Threats
This species is highly restricted in its range, occurring along a coastline of only 50 km off Brazil. There has been a lot of urban and tourism coastal development in recent years which poses a threat to this species habitat (Coltro pers. comm. 2011). As with all Conus spp it is subject to gathering which could place additional pressure on populations especially as it inhabits shallow water.
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Management

Conservation Actions

Conservation Actions
This species is restricted in its range and scarce in the market and would benefit from further research into populations, distribution, habitat, level of off-take and threats before any action plan can be formulated. There are no known conservation measures currently in place for this species.
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Wikipedia

Conus henckesi

Conus henckesi is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.[2]

Like all species within the genus Conus, these snails are predatory and venomous. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all.

Contents

Distribution

Description

The maximum recorded shell length is 17.3 mm.[3]

Habitat

Minimum recorded depth is 1 m.[3] Maximum recorded depth is 2 m.[3]

References

  1. ^ Coltro. 2004. Strombus, 11 : 1-7. World Register of Marine Species, Retrieved 27 March 2010.
  2. ^ Conus henckesi Coltro, 2004.  Retrieved through: World Register of Marine Species on 27 March 2010.
  3. ^ a b c Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
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