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Diet composition of blackspotted smooth-hound, Mustelus punctulatus (Risso, 1826), in the eastern Adriatic Sea

Jardas, Ivan; Šantić, Mate; Nerlović, Vedrana; Pallaoro, Armin (2007) Diet composition of blackspotted smooth-hound, Mustelus punctulatus (Risso, 1826), in the eastern Adriatic Sea. Journal of Applied Ichthyology, 23 (3). pp. 279-281. ISSN 0175-8659

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Abstract

The purpose of the present study was to provide a qualitative and quantitative description of the diet and length-weight relationship (LWR)of the blackspotted smooth-hound in the eastern Adriatic Sea. Samples of blackspotted smooth-hound were taken from four localities in the eastern Adriatic at depths from 70 and 160 m.A total of 145 specimens were collected during daylight hours from January 2001 to February 2003. During the autumn and winter, 85 specimens were caught, while 40 specimens were caught in spring and 20 in summer.The diet was consisted of six major systematic groups: Cephalopoda, Polychaeta, Crustacea (Stomatopoda, Decapoda), Enteropneusta, Tunicata and Teleostei. Decapoda crustaceans were the most frequently observed prey, constituting 65.0% of the total IRI, followed by teleosts (%IRI = 30.0). The relative importance of cephalopods, polychaets, enteropneusta and tunicates was comparatively low. It should be taken into consideration that, as a result of the degree of digestion of the prey, the determination to the level of species often was not possible. However, at the species level, the decapods Liocarcinus depurator (%IRI = 19.8), followed by teleosts Sardina pilchardus (%IRI = 7.9), were the most frequent preys.

Item Type: Article
Additional Information: The definitive version is available at www3.interscience.wiley.com
Uncontrolled Keywords: diet; Mustelus punctulatus; Eastern Adriatic
Subjects: NATURAL SCIENCES > Biology
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Marine Science
Divisions: Center for Marine Research
Projects:
Project titleProject leaderProject codeProject type
Gospodarenje i bioraznolikost živih bogatstava u hrvatskom priobalju[168644] Jakov Dulčić001-0013077-0844MZOS
Depositing User: Vedrana Nerlović
Date Deposited: 13 Nov 2013 12:30
Last Modified: 07 Feb 2014 08:50
URI: http://fulir.irb.hr/id/eprint/931
DOI: 10.1111/j.1439-0426.2006.00826.x

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