Maternal Effects and Trophodynamics Drive Interannual Larval Growth Variability of Atlantic Bluefin Tuna (Thunnus thynnus) from the Gulf of Mexico

Quintanilla, José M.; Borrego-Santos, Ricardo; Malca, Estrella; Swalethorp, Rasmus; Landry, Michael R.; Gerard, Trika; Lamkin, John; García, Alberto; Laiz-Carrión, Raúl

doi:10.3390/ani14091319

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Maternal Effects and Trophodynamics Drive Interannual Larval Growth Variability of Atlantic Bluefin Tuna (Thunnus thynnus) from the Gulf of Mexico

2024
By Quintanilla, José M. ; Borrego-Santos, Ricardo ; Malca, Estrella ; ...
Source: Animals, 14(9), 1319

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Journal Title:

Animals
Personal Author:

Quintanilla, José M. ; Borrego-Santos, Ricardo ; Malca, Estrella ; Swalethorp, Rasmus ; Landry, Michael R. ; ... More +

Quintanilla, José M. ; Borrego-Santos, Ricardo ; Malca, Estrella ; Swalethorp, Rasmus ; Landry, Michael R. ; Gerard, Trika ; Lamkin, John ; García, Alberto ; Laiz-Carrión, Raúl Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; OAR (Oceanic and Atmospheric Research) ; CIMAS (Cooperative Institute for Marine and Atmospheric Studies) ; SEFSC (Southeast Fisheries Science Center) ; NOS (National Ocean Service)

NMFS (National Marine Fisheries Service) ; OAR (Oceanic and Atmospheric Research) ; CIMAS (Cooperative Institute for Marine and Atmospheric Studies) ; SEFSC (Southeast Fisheries Science Center) ; NOS (National Ocean Service) Less -
Description:

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.
Source:

Animals, 14(9), 1319
DOI:

https://doi.org/10.3390/ani14091319
ISSN:

2076-2615
Format:

pdf
Publisher:

MDPI AG
Document Type:

Journal Article
Funding:

Grant no. NA15OAR4320071 ; Grant no. NA20OAR4320472 ; Grant no. NOAA-NOS-NCCOS-2017-2004875

Grant no. NA15OAR4320071 ; Grant no. NA20OAR4320472 ; Grant no. NOAA-NOS-NCCOS-2017-2004875 Less -
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https://creativecommons.org/licenses/by/4.0/
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CC BY
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urn:sha-512:f5923beafaac0b2f6de1ea94f570a34eedd0d3713ff972dc10e99d216c821a0999e85773c0d692c728a44879d9dfec9462d30fef4204a354c49d1edf090b03c6
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Maternal Effects and Trophodynamics Drive Interannual Larval Growth Variability of Atlantic Bluefin Tuna (Thunnus thynnus) from the Gulf of Mexico

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