Main Ref. | Randall, J.E., 1967 |
---|---|
Remarks | Adults are found on both shallow and deep sand flats among grass (Ref. 12342, 39154, 39155), inshore in saltwater creeks, rivers, bays, sounds (Ref. 39156), and deep channels within lagoons (Ref. 39155). Probably more dense over mud than shell or calcareous bottom (Ref. 39157). Also found in open ocean over continental shelf (Ref. 4639). A solitary (Ref. 26340) voracious predator that lurks in shallow bays and shore waters; burrows in bottom sediments. Juveniles are pelagic, and readily collected from open ocean, usually near land in vicinity of or in shallow water (Ref. 4639). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | Soft Bottom |
---|---|
Substrate Ref. | Springer, V.G. and K.D. Woodburn, 1960 |
Special habitats | Beds: sea grass; |
Special habitats Ref. | Reid, G.K. Jr., 1954 |
Ref. | Claro, R., 1994 |
---|---|
Associations | solitary; |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
---|---|
Feeding type Ref. | Randall, J.E., 1967 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Randall, J.E., 1967 |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | 4.50 | 4.28 | 0.68 | Troph of adults from 1 study. | |
From individual food items | 4.43 | 0.78 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein, 2000 |