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Animals
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Fisheries Larval Ecology and Oceanography
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Fisheries Larval Ecology and Oceanography

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Aquatic Animals".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 6376

Special Issue Editor

Dr. Estrella Malca

E-Mail Website
Guest Editor
NOAA, National Marine Fisheries Service, Southeast Fisheries Science Center, 75 Virginia Beach Drive, Miami, FL 33149, USA
Interests: larval ecology; oceanography; otolith microstructure; highly migratory species; fisheries

Special Issue Information

Dear Colleagues,

The early life history of fishes is both a robust and challenging field. Recent studies continue to enhance our understanding of larval ecology: for example, larval distribution in both horizontal and vertical contexts, and zooplankton dynamics, nutrition and trophodynamics. Contemporaneous advances involve techniques such as genomics, remote sensing and machine learning, which often incorporate powerful models. However, the next frontier is merging ecological studies with the growing demand to understand the consequences of a changing climate. The aim of this Special Issue is to publish original research papers or reviews concerning novel larval fish ecological insights that emphasize the surrounding pelagic (or demersal) environments. Some of these areas of interest include prey and predator dynamics, feeding preferences, growth and mortality, dispersal and connectivity, maternal influences and relatedness between and within cohorts. We invite you to share your recent findings through this Special Issue.

Dr. Estrella Malca
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • larval habitat
  • larval connectivity
  • larval fish genetics
  • larval fish oceanography
  • climate change
  • isotopes
  • larval fish modeling

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Published Papers (3 papers)

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Research

23 pages, 6104 KiB  
Article
Maternal Effects and Trophodynamics Drive Interannual Larval Growth Variability of Atlantic Bluefin Tuna (Thunnus thynnus) from the Gulf of Mexico
by José M. Quintanilla, Ricardo Borrego-Santos, Estrella Malca, Rasmus Swalethorp, Michael R. Landry, Trika Gerard, John Lamkin, Alberto García and Raúl Laiz-Carrión
Animals 2024, 14(9), 1319; https://doi.org/10.3390/ani14091319 - 28 Apr 2024
Viewed by 1039
Abstract
Two cohorts of Atlantic bluefin tuna (Thunnus thynnus) larvae were sampled in 2017 and 2018 during the peak of spawning in the Gulf of Mexico (GOM). We examined environmental variables, daily growth, otolith biometry and stable isotopes and found that the [...] Read more.
Two cohorts of Atlantic bluefin tuna (Thunnus thynnus) larvae were sampled in 2017 and 2018 during the peak of spawning in the Gulf of Mexico (GOM). We examined environmental variables, daily growth, otolith biometry and stable isotopes and found that the GOM18 cohort grew at faster rates, with larger and wider otoliths. Inter and intra-population analyses (deficient vs. optimal growth groups) were carried out for pre- and post-flexion developmental stages to determine maternal and trophodynamic influences on larval growth variability based on larval isotopic signatures, trophic niche sizes and their overlaps. For the pre-flexion stages in both years, the optimal growth groups had significantly lower δ15N, implying a direct relationship between growth potential and maternal inheritance. Optimal growth groups and stages for both years showed lower C:N ratios, reflecting a greater energy investment in growth. The results of this study illustrate the interannual transgenerational trophic plasticity of a spawning stock and its linkages to growth potential of their offsprings in the GOM. Full article
(This article belongs to the Special Issue Fisheries Larval Ecology and Oceanography)
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10 pages, 1906 KiB  
Article
Effect of Different Water Salinities on the Larvae of the Blue Bream Ballerus ballerus (Linnaeus, 1758) during Rearing
by Przemysław Piech and Roman Kujawa
Animals 2023, 13(7), 1245; https://doi.org/10.3390/ani13071245 - 3 Apr 2023
Cited by 1 | Viewed by 1552
Abstract
The influence of water salinities of 3, 5, and 7 ppt on the growth and survival of Ballerus ballerus (L.) larvae was studied. The control group was fish reared in freshwater (0 ppt). The larvae showed high tolerance to water salinities of 5–7 [...] Read more.
The influence of water salinities of 3, 5, and 7 ppt on the growth and survival of Ballerus ballerus (L.) larvae was studied. The control group was fish reared in freshwater (0 ppt). The larvae showed high tolerance to water salinities of 5–7 ppt. The mean final weight of the larvae ranged from 48.6 to 64.1 mg, with corresponding mean total lengths from 18.9 to 22.6 mm, depending on the water salinity level. The best larval length increments were recorded in water with salinity of 3 ppt. They were only slightly lower in 0 ppt water, and there were no statistically significant differences between the breeding rates calculated for larvae reared in 3 ppt water. Depending on the salinity level of the water, the final survival rate of the blue bream larvae ranged from 83.5 to 98.6%. The blue bream larvae reared in water with salinity levels of 5 and 7 ppt were statistically smaller than the others, but the results obtained were equally satisfactory. Full article
(This article belongs to the Special Issue Fisheries Larval Ecology and Oceanography)
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16 pages, 3799 KiB  
Article
Spatiotemporal Characteristics of Fish Larvae and Juveniles in the Waters around Taiwan from 2007 to 2019
by Kuo-Wei Yen, Chia-I Pan, Chia-Hsiang Chen and Wei-Hsiang Lien
Animals 2022, 12(15), 1890; https://doi.org/10.3390/ani12151890 - 25 Jul 2022
Cited by 1 | Viewed by 2924
Abstract
Taiwan is located at the intersection of tropical and subtropical islands in the western Pacific Ocean. This area is an important spawning and breeding ground for many economic and noneconomic species; however, little is known about the long-term dynamics of fish larvae and [...] Read more.
Taiwan is located at the intersection of tropical and subtropical islands in the western Pacific Ocean. This area is an important spawning and breeding ground for many economic and noneconomic species; however, little is known about the long-term dynamics of fish larvae and juveniles in these waters. In this study, we conducted an in-depth exploration of their spatial characteristics using 2007–2019 field survey samples. Our results demonstrated the seasonality and spatiality of the larvae and juveniles of different fish species. We also found that the continental shelf and offshore distance were key factors affecting fish larvae and juveniles. Changes in community structure were temporally correlated with the extreme rainfall of Typhoon Morakot (the worst typhoon ever recorded in Taiwan). These data can be used as a management reference for fisheries’ policymaking and provide key insights into nearby marine ecosystems and the early life history of fish. Full article
(This article belongs to the Special Issue Fisheries Larval Ecology and Oceanography)
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