1. The Philippine sailfin lizard (_Hydrosaurus pustulatus_): This species is endemic to the Philippines and is listed as Vulnerable by the International Union for Conservation of Nature (IUCN). The main threats to the Philippine sailfin lizard include habitat loss, hunting, and collection for the pet trade.
2. The Indonesian sailfin lizard (_Hydrosaurus amboinensis_): This species is found in Indonesia and is listed as Endangered by the IUCN. The primary threats to the Indonesian sailfin lizard are habitat loss, hunting, and collection for the pet trade.
3. The crocodile monitor (_Varanus salvadorii_): This species is native to New Guinea and is listed as Vulnerable by the IUCN. The main threats to the crocodile monitor include habitat loss, hunting, and collection for the pet trade.
4. The black-throated monitor (_Varanus albigularis_): This species is found in Australia and is listed as Vulnerable by the IUCN. The primary threats to the black-throated monitor are habitat loss, hunting, and collection for the pet trade.
5. The pygmy monitor (_Varanus brevicaudata_): This species is endemic to Australia and is listed as Endangered by the IUCN. The main threats to the pygmy monitor include habitat loss, predation by introduced species, and collection for the pet trade.