| Answer | Crossword Clue |
|---|---|
| OILSLICKS | Hazards for marine life |
| OILSLICK | Hazard for marine life |
| REDCORAL | Marine life used for jewelry |
| OCEANARIA | Large tanks for marine life |
| ALGAE | Food source for some marine life |
| REEFS | Marine hazards. |
| REEFS | Marine hazards |
| SHOALS | Marine hazards. |
| SHOALS | Marine hazards |
| SERPENTS | Ancient marine "hazards" |
