Morphological descriptions of the early stages of spine and vertebral development in hatchery-reared larval and juvenile Atlantic halibut (Hippoglossus hippoglossus)

Download
  1. Get@NRC: Morphological descriptions of the early stages of spine and vertebral development in hatchery-reared larval and juvenile Atlantic halibut (Hippoglossus hippoglossus) (Opens in a new window)
DOIResolve DOI: http://doi.org/10.1016/j.aquaculture.2004.08.018
AuthorSearch for: ; Search for: ; Search for:
TypeArticle
Journal titleAquaculture
Volume241
Pages4759; # of pages: 13
SubjectAtlantic halibut; skeleton; abnormalities; deformities; vertebrae; meristic characters
AbstractLarval and juvenile Atlantic halibut (Hippoglossus hippoglossus L.) were sampled from a commercial hatchery in order to classify and quantify skeletal abnormalities and meristic characters. Specimens were collected during two periods, July and December 2002, and were subdivided into length classes: fish <3 cm in standard length (Ls) and fish >3 cm in Ls. Using a whole mount bone-staining technique with Alizarin Red S, skeletal abnormalities were classified into 23 types, affecting the vertebrae centrums as well as the neural and hemal spines. Meristic characters included the total number of vertebrae and the number of vertebrae in the cephalic, prehemal, hemal, and caudal regions of the vertebral column. Fish sampled in July displayed more types of abnormalities and serious abnormalities such as lordosis and scoliosis. There were significant differences in the total number of vertebrae and number of vertebrae in the cephalic, pre-hemal, and caudal regions, although there was no significance in the number of vertebrae in the hemal region. The highest frequency of abnormalities occurred in the pre-hemal and hemal regions for each group. Results indicate that the types of abnormalities were more severe and varied from fish sampled in July, although the number of individuals afflicted with at least one type of abnormality did not decrease in fish sampled in December. These results provide information for further investigations into the nutritional and environmental factors causing bone deformities in cultured Atlantic halibut.
Publication date
Copyright noticeCopyright © 2004 Elsevier B.V. All rights reserved.
LanguageEnglish
AffiliationNRC Institute for Marine Biosciences; National Research Council Canada; Aquatic and Crop Resource Development
Peer reviewedYes
NRC number1689
NPARC number3538267
Export citationExport as RIS
Report a correctionReport a correction
Record identifier2c111b5e-0193-4aa2-a190-909553a07c3f
Record created2009-03-01
Record modified2016-05-09
Bookmark and share
  • Share this page with Facebook (Opens in a new window)
  • Share this page with Twitter (Opens in a new window)
  • Share this page with Google+ (Opens in a new window)
  • Share this page with Delicious (Opens in a new window)