Central Coast Study Region (2004-2007)
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Draft List of Invertebrates Likely to Benefit from the Establishment of Marine Protected Areas in California
| Species | Primary Bottom type (Rock/Sand) | Shallow Depth (ft.) | Deepest Depth (ft.) | sm-mod adult home range (sm 0-5 km mod 10-20 km) | Currently mod-large take | Historically mod-large take | Low Pop. Estimate (<40% unfished) | Size structure shifted toward sm indiv | life history trait vulnerable | life stage to benefit (e.g., spawning activity, nursery area) | habitat impacted (by human activity) | Ecologically Important (keystone or habitat forming) | Comments |
| "ND" = No data | "ND" = No data | "ND" = No data | "ND" = No data | "ND" = No data | "ND" = No data | "ND" = No data | "ND" = No data | "ND" = No data | |||||
| black abalone | Rock | Intertidal | 20 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | Only benefit in areas absent of sea otters |
| brown rock crab | Both | 0 | >330 | 1 | 1 | 1 | ND | ND | 0 | 0 | 0 | 0 | Only benefit in areas absent of sea otters |
| corals | Rock | 40 | >500 | 1 | 0 | 0 | ND | ND | 1 | 0 | 1 | 1 | Possible impacts from trawling or other bottom contact |
| Dungeness crab | Sand | 0 | 755 | 0 | 1 | 1 | ND | 0 | 0 | 0 | 0 | 0 | Due to management regime, no size shift |
| ghost shrimp | Sand | Intertidal | 1 | 1 | 1 | 0 | ND | ND | 0 | 0 | 1 | 0 | fish bait |
| gorgonians | Rock | 40 | >500 | 1 | 0 | 0 | ND | ND | 1 | 0 | 1 | 1 | Possible impacts from trawling or other bottom contact |
| limpets | Rock | Intertidal | 98 | 1 | 0 | 0 | ND | 1 | 0 | 0 | 1 | 1 | removal impacts other species |
| littleneck clams | Coarse Sand | Intertidal | Intertidal | 1 | 0 | 0 | ND | ND | 0 | 0 | 1 | 0 | |
| market squid | Pelagic/Sand | 0 | 1 | 1 | 0 | ND | 0 | 0 | 0 | 1 | Both forage species and predators on small fishes | ||
| moon snail | Sand | Intertidal | 499 | 1 | 0 | 0 | ND | ND | 0 | 0 | 1 | 0 | |
| mud shrimp | Sand | Intertidal | 1 | 1 | 0 | 0 | ND | ND | 0 | 0 | 1 | 0 | |
| mussels | Rock | Intertidal | 131 | 1 | 0 | 0 | ND | ND | 0 | 0 | 1 | 1 | removal impacts other species |
| Pismo clam | Sand | 0 | 82 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | very slow growing adults, long lived, 50 years, Only benefit in areas absent of sea otters |
| purple urchin | Both | 0 | 302 | 1 | 0 | 0 | ND | ND | 0 | 0 | 0 | 1 | Only benefit in areas absent of sea otters, removal impacts other species |
| red abalone | Rock | Intertidal | 200 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | short-lived, non-feeding larval stage, Only benefit in areas absent of sea otters |
| red rock crab | Both | 0 | 750 | 1 | 1 | 1 | ND | ND | 0 | 0 | 0 | 0 | Only benefit in areas absent of sea otters |
| red urchin | Both | Intertidal | 295 | 1 | 1 | 1 | 0 | ND | 0 | 0 | 0 | 1 | Only benefit in areas absent of sea otters, removal impacts other species |
| rock scallop | Rock | 0 | 98 | 1 | ND | ND | ND | ND | 1 | 0 | 0 | 0 | Evidence of positive impact in So. Cal reserves |
| sand crab | Sand | Intertidal | 1 | 1 | 0 | 0 | ND | ND | 0 | 0 | 0 | 0 | |
| sea hares | Both | 0 | 59 | 1 | 0 | 0 | ND | ND | 0 | 0 | 0 | 0 | |
| sea pens | Sand | 25 | >300 | 1 | 0 | 0 | ND | ND | 1 | 0 | 1 | 1 | Possible impacts from trawling or other bottom contact |
| sea stars | Both | Intertidal | >600 | 1 | 0 | 0 | ND | ND | 0 | 0 | 1 | 1 | Keystone species in intertidal |
| sponges | Rock | Intertidal | >2000 | 1 | 0 | 0 | ND | ND | 1 | 0 | 1 | 1 | Possible impacts from trawling or other bottom contact |
| spot prawn | Sand/Interface | 150 | 1600 | 1 | 1 | 1 | ND | ND | 0 | 0 | 0 | 0 | |
| turban snail | Rock | Intertidal | 249 | 1 | 0 | 0 | ND | ND | 0 | 0 | 1 | 0 | |
| worms | Both | Intertidal | >600 | 1 | 0 | 0 | ND | ND | 0 | 0 | 1 | 0 |