Sydney at night 2

 

 
Yellow lined Perch Sea Spider
Yellow Perch live in caves and are ambush predators. They often hang upside down waiting to pounce on any edible item which unwarily enters its cave. Many critters come out at night to forage including this thin legged sea spider.
Angel Shark Dumpling Squid
Angel sharks are common on the sand. They have perfect camouflage and ambush prey. Angel sharks are known for being aggressive if you get too close. Dumpling Squid grow to 5 to 6 cms long. They bury themselves in the sand and wait for tasty morcels such as shrimp and crabs to walk to close.