Main Ref. | Robins, C.R. and G.C. Ray, 1986 |
---|---|
Remarks | A pelagic fish forming large loose schools across the continental shelf over sand/mud bottoms; depth range from 2 to 275mat least, but most abundant at 155 to 225 m; near bottom during the day and migrating into the water column at night ; juveniles often found under floating weeds and with jellyfish. Adults feed on jellyfish, small fish, crustaceans, and worms; the juveniles are plankton and jellyfish feeders. Mature within 1 year and rarely lives past 2; spawning takes place at discrete intervals twice a year slightly offshore. Highly esteemed for food, marketed fresh and frozen; caught mainly with otter trawls (Ref. 53006). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
---|---|---|---|---|
Marine zones / Brackish and freshwater bodies |
|
|
|
|
Substrate | : sand; mud; |
---|---|
Substrate Ref. | Haedrich, R.L., 2003 |
Special habitats | |
Special habitats Ref. |
Ref. | |
---|---|
Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
---|---|
Feeding type Ref. | |
Feeding habit | |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
---|---|---|---|---|---|
Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 4.00 | 0.28 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |