A review of the dog snapper (Lutjanus jocu) along the Brazilian Province: Distributional records, ecology, fisheries and conservation

Menezes, R.; Giglio, Vinicius J.; Albuquerque, Cristiano Queiroz de; Rosa, Ricardo S.

doi:10.1016/j.ocecoaman.2022.106094

Cited by 5 publications

(2 citation statements)

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“…The growth of snapper species is slow, and the slower a species develops to the adult stage and the beginning of its reproductive phase, the more difficult it will be to replenish its stocks (Leite et al, 2005). In a scenario of intense fishing activity, relatively long life cycles and low somatic growth rates, together with the fact that the study species reproduce in reproductive aggregations in coastal reefs of the continental shelf, making them easy to locate and predictable in time and space, increase their vulnerability to the fishing fleet (Leite et al, 2005; Menezes et al, 2022).…”

Section: Discussionmentioning

confidence: 99%

Daily age, growth rate, and pelagic larval duration of commercially important snapper species in Abrolhos National Marine Park

Silva,

Soeth,

Hackradt

et al. 2024

Journal of Fish Biology

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The age and daily growth of fish are registered through the deposition of increments in their otoliths, which are concretions formed by the precipitation of substances present in the endolymphatic fluid, mainly calcium carbonate (CaCO3). Faced with the need to fill some of the gaps in the knowledge on the occurrence and duration of the initial stages of snapper species' life cycles in the Abrolhos Bank, this study aimed to describe the growth rates, age, and period of pelagic larval duration (PLD) of three snapper species during the larval pre‐settlement phase, in the Abrolhos Bank region. The post‐larvae were captured using light traps. Otoliths were removed from 117 samples of snapper species; however, only 69 were viable for age estimation, of which 15 were Lutjanus analis, 25 were Lutjanus jocu, and 29 were Lutjanus synagris. Together, the samples presented individuals with total lengths ranging from 16.14 to 24.76 mm and ages from 21 to 39 days. Settlement marks were found for all three species, and the average PLD was ~25 days. The somatic growth of the snapper species was positively correlated with otolith growth. L. jocu presented the greatest daily growth compared to the other species. The three species use the Abrolhos Bank as a larval settlement site, demonstrating plasticity by using different habitats throughout their lives.

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Section: Discussionmentioning

confidence: 99%

Daily age, growth rate, and pelagic larval duration of commercially important snapper species in Abrolhos National Marine Park

Silva,

Soeth,

Hackradt

et al. 2024

Journal of Fish Biology

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“…Snappers (family Lutjanidae) are important fishery target species and mesopredators in tropical and sub-tropical waters ( Allen, 1985 ; Polovina & Ralston, 1987 ; Nanami & Shimose, 2013 ; Taylor et al, 2018 ; Amorim et al, 2019 ; Menezes et al, 2022 ) and at least 12 species are regarded to form transient spawning aggregations ( Sadovy de Mitcheson & Colin, 2012 ). Some ecological characteristics of snappers in terms of spawning aggregations have been studied such as location of spawning ground ( Claro & Lindeman, 2003 ; Heyman & Kjerfve, 2008 ; Sakaue et al, 2016 ; Malafaia, França & Olavo, 2021 ), seasonality and lunar-phase periodicity of spawning aggregation formation ( Kadison et al, 2006 ; Sakaue et al, 2016 ; Biggs & Nemeth, 2014 ; Biggs & Nemeth, 2016 ; Cimino et al, 2018 ), spawning migration movements ( Farmer & Ault, 2011 ; Feeley et al, 2018 ) and spawning behavior ( Carter & Perrine, 1994 ; Heyman et al, 2005 ; Sadovy de Mitcheson, Colin & Sakaue, 2012 ).…”

Section: Introductionmentioning

confidence: 99%

Spawning aggregations of checkered snapper (Lutjanus decussatus) and blackspot snapper (L. fulviflamma): seasonality, lunar-phase periodicity and spatial distribution within spawning ground

Nanami

2023

PeerJ

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Snappers (family Lutjanidae) are important fisheries target species and some species are known to form spawning aggregations at particular spawning grounds. The present study investigated the ecological characteristics of fish aggregations of two snapper species (checkered snapper Lutjanus decussatus and blackspot snapper L. fulviflamma) that form at a particular site. Specifically, the aims were to clarify (1) seasonality and lunar-phase periodicity of fish aggregation formation, (2) fine-scale spatial distribution of fish density (spatial variations of fish density at intervals of several-tens meters) within the aggregation site, (3) size and age frequency distributions of fishes in the aggregation site, (4) gonad development, (5) to compare fish abundance between inside and outside the aggregation site, and (6) to verify that fish aggregations of the two snapper species were spawning aggregation. Underwater observations using a 600 m × 5 m transect revealed that greater fish abundance of Lutjanus decussatus was found monthly between May and October, and clear positive peaks in the fish abundance were found only around the last-quarter moon. This lunar-related periodicity in the increase of fish abundance was confirmed by a time-series analysis (correlogram). Within the aggregation site, L. decussatus showed a relatively uniform distribution. In contrast, greater fish abundance of L. fulviflamma was found monthly between April and October, and clear positive peaks in the fish abundance were found around the last-quarter moon (April, May, June and October) or new moon (July, August and September). This lunar-related periodicity was also confirmed by correlogram. Lutjanus fulviflamma showed a relatively clumped distribution within the aggregation site. Most females of the two species in the aggregation site had hydrated eggs, indicating that the two species form aggregations for reproduction. The two species, although occurring simultaneously, are considered to form aggregations of conspecifics only. For L. decussatus, average fork length and age of males and females were 229.2 mm and 243.9 mm and 9.4 years and 8.1 years, respectively. For L. fulviflamma, average fork length and age of males and females were 233.9 mm and 246.9 mm and 6.8 years and 8.1 years, respectively. Fish abundance inside the aggregation site was 266.8-fold and 141557.1-fold greater than those outside the aggregation site for L. decussatus and L. fulviflamma, respectively. These results showed that (1) fish aggregation formation of the two snapper species was predictably repeated in particular months and lunar-phase, (2) it was predictably found at the particular site, (3) the fish abundance in the aggregation site markedly exceeded the fish abundance outside the aggregation site, and (4) the two species form aggregations for reproduction. Therefore, it is suggested that the fish aggregations for the two species can be regarded as spawning aggregations.

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Connectivity and high genetic diversity in populations of the dog snapper Lutjanus jocu (Lutjanidae: Perciformes) from the South Western Atlantic, recovered with multilocus analysis

Lutz,

Martins,

Cardoso

et al. 2024

Environ Biol Fish

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A review of the dog snapper (Lutjanus jocu) along the Brazilian Province: Distributional records, ecology, fisheries and conservation

Cited by 5 publications

References 60 publications

Daily age, growth rate, and pelagic larval duration of commercially important snapper species in Abrolhos National Marine Park

Daily age, growth rate, and pelagic larval duration of commercially important snapper species in Abrolhos National Marine Park

Spawning aggregations of checkered snapper (Lutjanus decussatus) and blackspot snapper (L. fulviflamma): seasonality, lunar-phase periodicity and spatial distribution within spawning ground

Connectivity and high genetic diversity in populations of the dog snapper Lutjanus jocu (Lutjanidae: Perciformes) from the South Western Atlantic, recovered with multilocus analysis

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