Keyhole Sand Dollar

Keyhole Sand Dollar (Echinodiscus bisperforatus truncatus)
Tanah Merah, 23rd August 2009

• Wild Fact Sheets
• The Tide Chaser: Sea Urchins (Phylum Echinodermata: Class Echinoidea) of Singapore
• Singapore Red Data Book 2008
• The Echinoid Directory
• World Echinoidea Database
• Sublittoral sand dollar (Echinodiscus bisperforatus) communities in two bays on the South African south coast
• Echinoderm fauna of Thailand: History and inventory reviews
• Echinoderm fauna of the South China Sea: an inventory and analysis of distribution patterns

White Sea Urchin

White Sea Urchin (Salmacis sphaeroides)
Pulau Sekudu, 9th May 2012

This shell (technically known as a test) of a White Sea Urchin was found by Sam Yeo, who shared this photo on Facebook.

Today marks the first day of the Northern Expedition of the Comprehensive Marine Biodiversity Survey. For the next three weeks, researchers and volunteers will be involved in collecting samples and surveying various marine habitats, in an attempt to catalogue the marine life that lives in the waters along the northern coasts of Singapore.

Find out how you can contribute to Monday Morgue too.

• Wild Fact Sheets
• The Tidechaser: Sea Urchins (Phylum Echinodermata: Class Echinoidea) of Singapore
• A Guide to Seashore Life in Singapore
• The Echinoid Directory