See this post on Sandlance on Taylor Beach: 

Image from the presentation below
One of the unusual characteristics of sandlance on Taylor Beach is that in less thAN a minute after emerging from the sand after spawning, If they are not consumed by crows or gulls, then they will die. ( so far I have not found this reported in the literature?)
| Kingdom: Animalia |
| Phylum: Chordata |
| Class: Actinopterygii |
| Order: Perciformes |
| Family: Trachinoidea (Bonaparte, 1832) |
| Genus: Ammodytes |
| Species: A. hexapteris |
| Binomial name Ammodytes hexapterus |