Final instar caterpillar and metamorphosis of Acherontia styx medusa Moore, 1858 in Singapore (Lepidoptera: Sphingidae: Sphinginae: Acherontiini)
A reassessment of Verpa penis (Linnaeus, 1758) (Mollusca: Bivalvia: Clavagelloidea), a species presumed nationally extinct
Aplocheilus lineatus, a non-native killifish (Actinopterygii: Cyprinodontiformes: Aplocheilidae) in Singapore