Watering
pot shell
Verpa penis
Family
Clavagellidae
updated
Jan 2020
Where
seen? This strange animal is a bivalve that is tubular.
It is sometimes seen among seagrasses on our Northern shores. It was previously known as Brechites
penis.
Features: About 12cm long.The
broader end is perforated with tiny holes and this is usually buried
in the ground with the narrow tip facing the surface. Siphons emerge
from the narrow tip. The broader end resembles a watering can, hence its common name. There are two tiny
oval shapes which is all that remains of the two valves of this strange
bivalve.
Status
and threats: This animal is listed as "Presumed
Nationally Extinct" on the Red List of threatened animals
of Singapore. But a
paper in Nature in Singapore (pdf) found that recent sightings
suggest this animal is alive and well on our shores. |
Tiny
oval shapes are the remains of
the two-part shell of this bivalve. |
|
Changi, May 11
|
How it is
normally buried.
Changi, May 11
Photo
shared by James Koh on his
blog.
|
Changi, Aug 11
|
Pulau Sekudu, May 10
Photo shared by Loh Kok Sheng on his
blog.
|
Watering
pot shells on Singapore shores |
Other sightings on Singapore shores |
Changi Carpark 7, Jun 23
Photo shared by Loh Kok Sheng on facebook. |
Chek Jawa, Jan 23
Photo shared by Richard Kuah on facebook.
|
|
Beting Bronok, Jun 14
Photo shared by Marcus Ng on facebook.
|
Chek Jawa, Dec 19
Photo shared by Liz Lim on facebook. |
Chek Jawa, Jan 16
Photo shared by Loh Kok Sheng on facebook. |
East Coast Park, Aug 18
Photo shared by Loh Kok Sheng g on facebook.
|
Chek Jawa, Jan 23
Photo shared by Richard Kuah on facebook. |
|
Cyrene Reef, Sep 22
Photo shared by James Koh on facebook. |
Family
Clavagellidae recorded for Singapore
from
Tan Siong Kiat and Henrietta P. M. Woo, 2010 Preliminary Checklist
of The Molluscs of Singapore.
^from WORMS
|
Brechites
penis=^Verpa penis (Watering pot shell) (NE:
Presumed Nationally Extinct) |
|
Links
References
- Tan, S. K.,
S. H. Tan & M. E. Y. Low, 2011. A
reassessment of Verpa penis (Linnaeus, 1758) (Mollusca:
Bivalvia: Clavagelloidea), a species presumed nationally extinct.
Nature in Singapore, 4: 5-8.
- Tan Siong
Kiat and Henrietta P. M. Woo, 2010 Preliminary
Checklist of The Molluscs of Singapore (pdf), Raffles
Museum of Biodiversity Research, National University of Singapore.
- Tan, K. S.
& L. M. Chou, 2000. A
Guide to the Common Seashells of Singapore. Singapore
Science Centre. 160 pp.
- Davison,
G.W. H. and P. K. L. Ng and Ho Hua Chew, 2008. The Singapore
Red Data Book: Threatened plants and animals of Singapore.
Nature Society (Singapore). 285 pp.
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