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https://hdl.handle.net/2440/51956
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Type: | Journal article |
Title: | Body size and the air-breathing organ of the Atlantic tarpon Megalops atlanticus |
Author: | Seymour, R. Wegner, N. Graham, J. |
Citation: | Comparative Biochemistry and Physiology Part A: Molecular and Integrative Physiology, 2008; 150(3):282-287 |
Publisher: | Elsevier Science Inc |
Issue Date: | 2008 |
ISSN: | 1095-6433 1531-4332 |
Statement of Responsibility: | Roger S. Seymour, Nicholas C. Wegner and Jeffrey B. Graham |
Abstract: | The air-breathing organ (ABO) of the Atlantic tarpon is formed by four parallel ridges of alveolar-like respiratory tissue that extend along the length of the physostomous gas bladder. The large and complex surface of each ridge is formed by a cartilage matrix that is completely infiltrated by a thin respiratory epithelium. Comparison of a size series of specimens demonstrates isometric growth of the ABO, and histological and SEM studies show comparable levels of tissue complexity. These findings suggest that air-breathing capacity, which is required for the survival of juvenile fish in their hypoxic nursery habitat, is retained in older tarpon inhabiting more oxygenated marine coastal habitats. The retention of air breathing in adult tarpon may be related to their occasional occurrence in hypoxic waters and their high rates of aerobic metabolism. |
Keywords: | Heart Animal Structures Animals Fishes Body Size Air Respiration Atlantic Ocean |
Description: | Copyright © 2008 Elsevier Inc. All rights reserved. |
DOI: | 10.1016/j.cbpa.2008.03.018 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/525464/description#description |
Published version: | http://dx.doi.org/10.1016/j.cbpa.2008.03.018 |
Appears in Collections: | Aurora harvest 5 Earth and Environmental Sciences publications |
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