Reefs in peril

What do SCUBA-divers and snorkelers want to see on their dives? Here is the ranked list from the SCUBA-divers in Jamaica, with their top 5 selections highlighted:

1. fish variety
2. fish abundance
3. coral variety
4. sharks/marine mammals
5. unusual fishes

6. coral cover
7. big fishes
8. reef structure
9. unusual corals
10. large corals
11. crustaceans
12. sponges
13. algae

photo composite of Caribbean sponges and algaeWhy are sponges and algae so low on the list?  One aim of BCCR is to elevate these interesting organisms from their lowly positions in the ranking!