Κύρια Αναφ. | Biggers, C., 2005 |
---|---|
Σχόλια | Lives in shallow waters, with sandy or muddy bottoms (Ref. 76). Found in intertidal and offshore areas (Ref. 1131). The horseshoe crab feeds at night on polychaete worms such as Cerebratulus, Nereis, and Cistenides (Ref. 76, 77), small mollusks, and seaweed (algae) found in the sandy ocean bottom (Ref. 76). Food is picked up by the chelicerae and passed back to the bristle bases, where it is "chewed." The food is then moved forward to the mouth (Ref. 75). It digs its food from sediments, grasping the prey with its legs. The prey is moved to the gnathobases where it is crushed before being pushed forward toward the mouth (Ref. 77). A life span of about 20 to 40 years (Ref. 78). Its predators are loggerhead turtles, pufferfish, leopard sharks and sea gulls (Ref. 82). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | Benthic: mobile; Soft Bottom: sand; mud; |
---|---|
Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Αναφ. | Biggers, C., 2005 |
---|---|
Associations | |
Associated with | |
Association remarks | |
Parasitism |
Τροφικός Τύπος | mainly animals (troph. 2.8 and up) |
---|---|
Feeding type Ref. | Biggers, C., 2005 |
Τροφική Συνήθεια | browsing on substrate |
Feeding habit Ref. | Shuster, C.N. Jr., 1982 |
Estimation method | Αρχικό δείγμα | Μη αλιευμένος πληθυσμός | Σχόλιο | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
Από σύσταση δίαιτας | |||||
Από ατομικά τροφικά αντικείμενα | 2.95 | 0.30 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Αναφ. |