Escape behaviour of solitary herring (Clupea harengus) and comparisons with schooling individuals

Paolo Domenici, Robert S Batty

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

The escape behaviour of solitary herring (Clupea harengus L.) startled by a sound stimulus was observed by means of high-speed video-filming. The results were compared with data from a previous study on the escape behaviour of schooling herring. Escape responses were divided into ''away responses'' and ''towards responses'' according to the orientation of the C-bend of the body relative to the stimulus. The proportion of away responses was smaller for solitary than for schooling herring. In solitary herring, the subsequent escape trajectories of fish making initial away responses showed a bimodal pattern of distribution, with modes at 130 and 180 degrees from the stimulus. Trajectories following towards responses, however, were mainly within the semicircle directed at the stimulus, and their pattern of distribution differed from that of away responses. This result contrasts with observations on schooling herring, whose trajectories following both initial away and towards responses are directed away from the stimulus. In addition, we measured the response latency, defined as the interval of time between stimulus presentation and the first detectable movement of the fish. Solitary herring showed a higher proportion of short-latency responses (latency
Original languageEnglish
Pages (from-to)29-38
Number of pages10
JournalMAR BIOL
Volume128
Issue number1
Publication statusPublished - 1997

Keywords

  • ANGELFISH PTEROPHYLLUM-EIMEKEI
  • GUPPY POECILIA-RETICULATA
  • SIZE
  • MAUTHNER
  • Marine & Freshwater Biology
  • KINEMATICS
  • FAST-START PERFORMANCE
  • TELEOST FISH
  • TROUT SALMO-GAIRDNERI
  • RESPONSES
  • PREDATOR-PREY INTERACTIONS

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