Ecology of Grapsus grapsus
| Main Ref. | Fischer, W., G. Bianchi and W.B. Scott (eds.), 1981 |
|---|---|
| Remarks | Inhabits rocks near water line and is very active on land, taking refuge in the sea when threatened (Ref. 435). Supralittoral to intertidal (Ref. 104055). Abundant in splash zones (Ref. 105697). On rubbles (Ref. 106471). Feeds on cirripedes, mytilids, and porcelain crabs; occasionally acts as a scavenger. Also preys upon sea turtles and on the lookout for marine birds nest (Ref. 106452). Herbivorous (Ref. 106455). |
Aquatic zones / Water bodies
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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Habitat
| Substrate | Benthic: mobile; Hard Bottom: rocky; rubble; |
|---|---|
| Substrate Ref. | Gianuca, D. and C.M. Vooren, 2007 |
| Special habitats | |
| Special habitats Ref. |
Associations
| Ref. | Fischer, W., G. Bianchi and W.B. Scott (eds.), 1981 |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
feeding
| Feeding type | plants/detritus+animals (troph. 2.2-2.79) |
|---|---|
| Feeding type Ref. | Gianuca, D. and C.M. Vooren, 2007 |
| Feeding habit | variable |
| Feeding habit Ref. | Gianuca, D. and C.M. Vooren, 2007 |
Trophic Level(s)
| Estimation method | original sample | unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | |||||
| From individual food items | 3.96 | 0.31 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||