Nom du corpus

Corpus Systématique Animale

Titre du document

Diet and dentition in tropical ariid catfishes from Australia

Lien vers le document
Éditeur
Springer (journals)
Langue(s) du document
Anglais
Type de document
Research-article
Mots-clés d'auteur
  • Gulf of Carpentaria
  • Estuary
  • Feeding guilds
  • Ecology
  • Coexistence
  • Molluscs
  • Polychaetes
  • Ariidae
Nom du fichier dans la ressource
Mollusques_v2b_01029, Poissons_v2b_005184
Auteur(s)
  • Stephen J. M. Blaber 1
  • David T. Brewer 1
  • John P. Salini 1
Affiliation(s)
  • 1) Division of Fisheries, CSIRO Marine Laboratories, P.O. Box 120, 4163, Cleveland, Queensland, Australia
Résumé

Synopsis: The diets of 13 species of ariid catfishes from the tropical waters of the Gulf of Carpentaria are described and compared. Fishes were collected from two estuaries and inshore and offshore marine areas. Up to 10 species have been recorded from a single estuary. Although all are carnivorous and consume a variety of prey, diet analyses and statistical ordination reveal three feeding guilds - piscivores, polychaete-eaters and molluscivores. The diets of most species are similar between sites. There are strong relationships between dietary guild and the size and arrangement of the palatine teeth. The piscivorous group of catfish (guild 1) have large mouths with relatively large multiple palatine tooth plates, either in a band or in a triangular pattern and armed with sharp recurved teeth. The primarily polychaete-feeding group (guild 2) have a variable mouth size but it is usually smaller than that of guild 1 fish; their palatine teeth plates are fewer and smaller, and they have small, sharp recurved teeth. Guild 3 eat mainly molluscs, and have a small mouth and large posteriorly situated palatine plates with globular, truncated teeth. Overlaps in diet between species are probably reduced by differential distribution patterns within estuaries and different habitat preferences. The mouth-width and tooth-plate arrangements of ariids in tropical Australia are suitable for dealing with broad classes of prey rather than specific items, conferring dietary flexibility. This probably optimizes the trade-off for most species between occupation of broad feeding niches and the ability to shift diet easily.

Catégories Science-Metrix
  • 1 - applied sciences
  • 2 - agriculture, fisheries & forestry
  • 3 - fisheries
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
Catégories Scopus
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Aquatic Science
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Ecology, Evolution, Behavior and Systematics
Catégories WoS
  • 1 - science ; 2 - marine & freshwater biology
  • 1 - science ; 2 - ecology
Identifiant ISTEX
7DB9B9266C0A1CFFDD39064767EC67D3C866E806
Revue

Environmental Biology of Fishes

Année de publication
1994
Présence de XML structuré
Non
Version PDF
1.3
Score qualité du texte
9.976
Sous-corpus
  • Mollusques
  • Poissons
Type de publication
Journal
ark:/67375/1BB-0S32MM6D-B
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