| Main Ref. | Setran, A.C. and D.W. Behrens, 1990 |
|---|---|
| Remarks | Found in rocky areas, tide pools and off beaches (Ref. 2850). Burrows in loose gravel and sand or among broken shells on the bottom (Ref. 2850), and in semi-protected wave-exposure (Ref. 56899). Abundant during summer months (June-August) and less abundant during winter (November-February) in San Luis Obispo County, California (Ref. 46003). May not utilize the intertidal zone for reproductive and recruitment purposes (Ref. 56899). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | : sand;: rocky; |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| Ref. | |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Feeding type | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Boyle, K.S. and M.H. Horn, 2006 |
| Feeding habit | hunting macrofauna (predator) |
| Feeding habit Ref. | Boyle, K.S. and M.H. Horn, 2006 |
| Estimation method | Original sample | Unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | 3.28 | 0.53 | Troph of juv./adults from 1 study. | ||
| From individual food items | |||||
| Ref. | Boyle, K.S. and M.H. Horn, 2006 | ||||