Deep water observations of Lophius piscatorius in the north-eastern Atlantic Ocean by means of a remotely operated vehicle

C H Laurenson, I R Hudson, D O B Jones, I G Priede

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Abstract

In situ behaviour of anglerfish Lophius piscatorius was observed by a remotely operated vehicle (ROV) in the vicinity of the Schiehallion oil field to the west of the Shetland Isles, Scotland at water depths c. 350 m. Several behaviour patterns associated with the 'sit-and-wait' feeding strategy of L. piscatorius were identified and are described. Concealment behaviour Was characterized by recess creation using pectoral and pelvic fins. Sit-and-wait and resting behaviour Was typified by relaxed dorsal fin rays and I 34s exhalation rate. Prey detection responses had a range of c. 5 in and were identified by erection of the fin rays and a reduction ill the exhalation rate to once every 65s. Prey attraction was characterized by lure (illicia) casting, erect dorsal rays and was dependant oil both the proximity and position of potential prey. Ail opportunistic feeding attack is also described. Walking behaviour was also recorded and is described. (C) 2004 The Fisheries Society of the British Isles.

Original languageEnglish
Pages (from-to)947-960
Number of pages14
JournalJournal of Fish Biology
Volume65
DOIs
Publication statusPublished - 2004

Keywords

  • anglerfish feeding
  • in situ behaviour
  • Lophius
  • monkfish
  • remotely operated vehicle
  • ANGLER-FISH
  • SEA
  • LINNAEUS
  • VICINITY

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