Feeding habits, seasonal and ontogenetic diet shift of blacktail comber, Serranus atricauda (Pisces: Serranidae), from the Azores, north eastern Atlantic
Morato, T.; Santos, R.S.; Andrade, J.P. (2000). Feeding habits, seasonal and ontogenetic diet shift of blacktail comber, Serranus atricauda (Pisces: Serranidae), from the Azores, north eastern Atlantic. Fish. Res. 49(1): 51-59. https://dx.doi.org/10.1016/S0165-7836(00)00189-2
In: Fisheries Research. Elsevier: Amsterdam. ISSN 0165-7836; e-ISSN 1872-6763, meer
The stomach contents of 422 Serranus atricauda, sampled between June 1993 and September 1994 in the Azores (north-eastern Atlantic), were examined. Fishes and crustaceans were the main contents with gastropods, bivalves and salps uncommon. Mysids (Siriella jaltensis) and Tripterygion delaisi were the most frequent prey items followed by Capros aper, Parablennius spp., Alpheus spp. and Xantho sp. The type and quantity of food ingested changed over season. S. atricauda are generalists that can feed opportunistically on alternative prey. They are diurnal predators. Ontogenetic differences were found in the diet composition and feeding activity within the range of sizes studied. There was a significant positive relation between mean prey width and predator size.
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