Hoofdreferentie | Randall, J.E., 1967 |
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Opmerkingen | Found inshore, usually along sandy beaches, in bays and inlets (Ref. 9283). Enters estuaries and freshwater (Ref. 9283). Prefers turbid water (Ref. 9283). Occurs in schools, usually large and fast moving, often leaping out of the water (Ref. 9283). Juveniles may float at the surface with tail bent and head down. Feeds on fishes and crustaceans (Ref. 9283). Its dorsal and anal spines are connected to venomous glands that can inflict painful wounds (Ref. 9283). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Ondergrond | : sand; |
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Substrate Ref. | |
Speciale habitats | Coral Reefs; |
Special habitats Ref. |
Ref. | Smith-Vaniz, W.F., 1995 |
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Associaties | schooling; |
Geassocieerd met | Scale-eating behavior was suggested to originate from opportunistic foraging on other fishes (cleaning) (Ref. 28733). Mutilators feeding on larger fishes' scales (Ref. 40396). |
Opmerkingen in verband met associaties | |
Parasitisme |
Voedingstype | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Randall, J.E., 1967 |
Voedingsgewoonte | hunting macrofauna (predator) |
Feeding habit Ref. | Randall, J.E., 1967 |
Estimation method | Origineel staal | Onbeviste populatie | Opmerking | ||
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Troph | s.e. | Troph | s.e. | ||
Op basis van dieetsamenstelling | 4.33 | 0.53 | 4.27 | 0.69 | Troph of juv./adults from 2 studies. |
Op basis van individuele voedselitems | 3.53 | 0.52 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Duque-Nivia, G., A. Acero, A. Santos-Martinez and E. Rubio, 1996 |