Category Archives: Karst Ecosystem

Mapping Every Hill

Interviewed: Dr Liew Thor Seng, biologist [thorseng@ums.edu.my]

IF YOU don’t know where all the limestone hills are, how will you know which to protect, which to quarry? Moreover, if you want to protect them, which ones do you begin with?

Well, decision-makers now have at their fingertips, Malaysia’s most comprehensive database and map of limestone hills.

(Photo: Screen capture of the online gazetteer showing details of limestone outcrop of interest in Malaysia | Courtesy of Liew Thor Seng)

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Dawn Bat (Eonycteris spelaea)

Species: Eonycteris spelaea (Mammalia : Chiroptera)

Known Range: Southeast Asia

Size: (Adult) 40-70 millimeter, length of a forearm

Interviewed: Zubaid Akbar Mukhtar Ahmad, bat scientist (zubaid.akbar[at]gmail.com)

(Photo: Eonycteris spelaea by Juliana Senawi)

“DO YOU like durians? Do you like petai?” These are the questions Zubaid asks when he’s trying to win some supporters for bats.

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Minute Land Snail (Whittenia vermiculum)

Species: Whittenia vermiculum (Gastropoda: Diplommanitidae) *

Known Range: Gunung Rapat limestone hill, Malaysia

Size: (Adult) 1.0 – 1.5 millimeters

Interviewed: Foon Junn Kitt, malacologist

(Photo: Whittenia vermiculum by Foon Junn Kitt)

HOW IS this a snail, and not just a tiny, whitish, swirly plastic tube? Even its species name, vermiculum, means ‘wormy’ in Latin, which aptly describes the snail’s shell.

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Cave Cockroach (Pycnoscelus striatus)

Species: Pycnoscelus striatus (Insecta: Blattodea)

Known Range: Malaysia, Sumatra, the Philippines

Size: (Adult) 15 mm long , ~diameter of 10-sen coin

Interviewed: Dr Lim Teck Wyn, biologist

(Photo: Shaharin Yussof )

“CUTE” IS how Teck Wyn describes the cave cockroach, Pycnoscelus striatus. “The nymphs”—the juvenile stage of cockroaches—“are adorable, scurrying sort of things.”

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