Diet of Tripletail, Lobotes Surinamensis, from Mississippi
نویسندگان
چکیده
The diet of tripletail, Lobotes .I'urinamellsis, collected from the Mississippi Sound and Mississippi's offshore waters of the Gulf of Mexico between April and September 1995-1997, was investigated through analysis of stomach contents. Of 178 tripJctail stomachs examined, 136 (76%) contained prey items, and 42 (24%) were empty. TripletaiJ with prey in their stomachs ranged from 183 to 787111111 totallcngth (mean 522.6 111m) and 0.14 to 10.5 kg total weight (mean 3.64 kg). The diet consisted 01'32 different prey types and was complj~ed uf ",hrill.ljJ, crab"" <:uld tdco:,l fi.'>hes which were represented by about equal number and volumeofprey but differed in relative importance to the diet, with fishes having greater importance. Principal contributors to the diet were FCII:!'allfepenaeus azt('cus, Callincctes sapidus, Brevoortio patrol1/./s, and Chlol'Oscomhrus c/1IYSlII'US. The variety of prey in the diet suggested that tripletail fed opportunistically.
منابع مشابه
Grouped Tooth Replacement in the Oral Jaws of the Tripletail, Lobotes surinamensis (Perciformes: Lobotidae), with a Discussion of Its Proposed Relationship to Datnioides
Lobotes surinamensis is a widely distributed marine perciform and is the sole member of the family Lobotidae, which has unclear phylogenetic affinities. In this paper we describe and illustrate a mode of tooth replacement in Lobotes that we name ‘‘grouped’’ tooth replacement. Lateral oral teeth are replaced intraosseously, i.e., developing replacement teeth can clearly be seen beneath them with...
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