Influence of gut morphology, sensory cues and hunger on feeding behaviour of spangled perch, Leiopotherapon unicolor (Günther, 1859), (Percoidei, Teraponidae)

Gehrke P.C. (1988) Influence of gut morphology, sensory cues and hunger on feeding behaviour of spangled perch, Leiopotherapon unicolor (Günther, 1859), (Percoidei, Teraponidae). Journal of Fish Biology, 33 2: 189-201. doi:10.1111/j.1095-8649.1988.tb05462.x


Author Gehrke P.C.
Title Influence of gut morphology, sensory cues and hunger on feeding behaviour of spangled perch, Leiopotherapon unicolor (Günther, 1859), (Percoidei, Teraponidae)
Journal name Journal of Fish Biology   Check publisher's open access policy
ISSN 0022-1112
Publication date 1988
Sub-type Article (original research)
DOI 10.1111/j.1095-8649.1988.tb05462.x
Volume 33
Issue 2
Start page 189
End page 201
Total pages 13
Subject 1104 Complementary and Alternative Medicine
Abstract The morphology of the alimentary canal, feeding technique and responses to sensory cues were investigated in Leiopotherapon unicolor. The small conical teeth on the jaws and pharynx, simple Y-shaped stomach and short gut of L. unicolor are characteristic of opportunistic carnivorous fish. Five types of behaviour, 'basal', 'orientation', 'positioning', 'attack', and'ingestion', were recognised and are described. Capture of prey small enough to swallow whole was assisted by suction created as the mouth opened to engulf prey. Crustaceans too large to ingest whole were broken into smaller pieces against the substrate. Directional and oscillatory movement were the most effective sensory cues in eliciting feeding behaviour, implicating vision as an important sense for L. unicolor feeding in confined aquaria. Acoustic and olfactory senses are less important in prey capture. The frequency with which spangled perch responded to different sensory cues increased with increasing hunger.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Citation counts: TR Web of Science Citation Count  Cited 7 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 9 times in Scopus Article | Citations
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