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Do human activities influence survival and orientation abilities of larval fishes in the ocean?

Citation

Siebeck, UE and O'Connor, J and Braun, C and Leis, JM, Do human activities influence survival and orientation abilities of larval fishes in the ocean?, Integrative Zoology, 10, (1) pp. 65-82. ISSN 1749-4877 (2015) [Refereed Article]

Copyright Statement

Copyright 2015 International Society of Zoological Sciences, Institute of Zoology

DOI: doi:10.1111/1749-4877.12096

Abstract

The larval stages of most marine fishes spend days to weeks in the pelagic environment, where they must find food and avoid predators in order to survive. Some fish only spend part of their life history in the pelagic environment before returning to their adult habitat, for example, a coral reef. The sensory systems of larval fish develop rapidly during the first few days of their lives, and here we concentrate on the various sensory cues the fish have available to them for survival in the pelagic environment. We focus on the larvae of reef fishes because most is known about them. We also review the major threats caused by human activities that have been identified to have world-wide impact and evaluate how these threats may impact larval-fish survival and orientation abilities. Many human activities negatively affect larval-fish sensory systems or the cues the fish need to detect. Ultimately, this could lead to decreased numbers of larvae surviving to settlement, and, therefore, to decreased abundance of adult fishes. Although we focus on species wherein the larvae and adults occupy different habitats (pelagic and demersal, respectively), it is important to acknowledge that the potential anthropogenic effects we identify may also apply to larvae of species like tuna and herring, where both larvae and adults are pelagic.

Item Details

Item Type:Refereed Article
Keywords:climate change, larval fish, pollution, sensory systems, teleost fish
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Marine and Estuarine Ecology (incl. Marine Ichthyology)
Objective Division:Environment
Objective Group:Flora, Fauna and Biodiversity
Objective Field:Marine Flora, Fauna and Biodiversity
Author:Leis, JM (Dr Jeff Leis)
ID Code:94186
Year Published:2015
Web of Science® Times Cited:5
Deposited By:IMAS Research and Education Centre
Deposited On:2014-09-02
Last Modified:2017-10-31
Downloads:0

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