A Review of Tagging Methods for Estimating Fish Population Size and Components of Mortality

Pine, William E.; Pollock, Kenneth H.; Hightower, Joseph E.; Kwak, Thomas J.; Rice, James A.

doi:10.1577/1548-8446(2003)28[10:arotmf]2.0.co;2

Cited by 266 publications

(233 citation statements)

References 46 publications

(23 reference statements)

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“…Individual recognition of fishes by markings and tags has been made in several ways for many years (Pine et al, 2003), but the potential of using photo-identification with teleost species has only recently started to be demonstrated (e.g. Correia et al, 2014).…”

Section: Discussionmentioning

confidence: 99%

Photo-identification as a technique for recognition of individual fish: a test with the freshwater armored catfish Rineloricaria aequalicuspis Reis & Cardoso, 2001 (Siluriformes: Loricariidae)

2016

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Photo-identification allows individual recognition of animal species based on natural marks, being an alternative to other more stressful artificial tagging/marking techniques. An increasing number of studies with different animal groups has shown that photo-identification can successfully be used in several situations, but its feasibility to study freshwater fishes is yet to be explored. We demonstrate the potential use of photo-identification for intraspecific recognition of individuals in the streamdwelling loricariid Rineloricaria aequalicuspis. We tested photo-identification in laboratory and field conditions based on the interindividual variability in abdominal bony plates. Our test yielded high correct matches in both laboratory (100%) and field conditions (> 97%), comparable to other reliable techniques and to studies that successfully used photo-identification in other animals. In field conditions, the number of correct matches did not differ statistically between computer-assisted and nakedeye identification. However, the average time expended to conclude computer-assisted photo evaluations was about half of the time expended to conclude naked-eye evaluations. This result may be exacerbated when using database with large number of images. Our results indicate that photo-identification can be a feasible alternative technique to study freshwater fish species, allowing for a wider use of mark-recapture in ecological and behavioral studies.A foto-identificação permite o reconhecimento individual de espécies de animais baseando-se em marcas naturais, sendo uma alternativa a outras técnicas de marcação artificial mais estressantes comumente usadas. O número crescente de estudos que usam foto-identificação em diferentes grupos animais mostra que esta técnica pode ser utilizada com sucesso, mas a viabilidade em estudos com peixes de água doce ainda não foi avaliada. Nós demonstramos o uso potencial da foto-identificação para o reconhecimento individual de peixes com indivíduos do loricarídeo Rineloricaria aequalicuspis. Nós testamos fotoidentificação em condições de laboratório e de campo com base na variabilidade inter-individual das placas ósseas abdominais. O teste resultou em elevada porcentagem de acerto nas comparações, tanto para a condição de laboratório (100%) quanto para a de campo (> 97%), o que é comparável com outras técnicas confiáveis e com outros estudos que empregaram fotoidentificação com sucesso. No teste de campo, o número de acertos não diferiu estatisticamente entre auxílio de computador e olho nu. Entretanto, o tempo médio despendido para concluir as avaliações com o auxílio de computador foi cerca da metade do tempo despendido para as avaliações a olho nu. Esse resultado pode ser exacerbado em avaliações com um grande número de imagens. Nossos resultados indicam que a foto-identificação pode ser uma técnica alternativa viável para estudar peixes de água doce e possibilita um uso mais amplo da marcação e recaptura para estudos ecológicos e comportamentais.

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Section: Discussionmentioning

confidence: 99%

Photo-identification as a technique for recognition of individual fish: a test with the freshwater armored catfish Rineloricaria aequalicuspis Reis & Cardoso, 2001 (Siluriformes: Loricariidae)

2016

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“…This is particularly true for deepwater species due the complications and high mortality rates resulting from the barotrauma caused by bringing the individuals to the surface for tagging (Nichol and Chilton 2006;Winter et al 2007). In addition, tagging studies usually involve high operational costs, which include tag deployment, recapture surveys, and (or) publicity campaigns to increase voluntary tag reporting rates in the fisheries, and, in some cases, high costs associated with the tags themselves (Pine et al 2003). Despite the high costs and the large effort associated with tagging studies, the data quality is frequently diminished by violation of basic assumptions of tagging experiments, such as changes in reporting rates over time, time-varying catchability, and influence of the tag on fish behavior (Pine et al 2003).…”

Section: Discussionmentioning

confidence: 99%

“…In addition, tagging studies usually involve high operational costs, which include tag deployment, recapture surveys, and (or) publicity campaigns to increase voluntary tag reporting rates in the fisheries, and, in some cases, high costs associated with the tags themselves (Pine et al 2003). Despite the high costs and the large effort associated with tagging studies, the data quality is frequently diminished by violation of basic assumptions of tagging experiments, such as changes in reporting rates over time, time-varying catchability, and influence of the tag on fish behavior (Pine et al 2003). These difficulties associated with tagging data frequently result in the lack of enough information in the data, despite extraordinary expense and effort, to accurately resolve the movement dynamics of the species of interest without a number of simplifying assumptions.…”

Section: Discussionmentioning

confidence: 99%

A Lagrangian approach to model movement of migratory species

Wor

McAllister

Martell³

et al. 2018

Can. J. Fish. Aquat. Sci.

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Abstract:We introduce a Lagrangian movement model that can be used to characterize cyclic migrations of iteroparous fish populations. We demonstrate how movement parameters can be estimated using conventionally available catch-at-age data and provide a description of the potential bias that may arise from model misspecification, data aggregation, and nonstandardized sampling effort. The model can be extended to incorporate covariates representing biological and environmental forces that alter the distribution and migration range of exploited populations. We expect that this movement model will be a useful tool to model fish migration, to illustrate how fisheries dynamics are affected by fish migration, and to be used as an operating model in closed loop simulations to test the robustness of management frameworks to spatial structure and connectivity.Résumé : Nous présentons un modèle de déplacement lagrangien qui peut être utilisé pour caractériser les migrations cycliques de populations de poissons itéropares. Nous montrons comment des paramètres de déplacement peuvent être estimés en utilisant des données généralement disponibles de capture selon l'âge et présentons une description du biais potentiel qui peut découler de la mauvaise définition de paramètres du modèle, du regroupement de données et d'un effort d'échantillonnage non normalisé. Le modèle peut être élargi pour y inclure des covariables représentant des forces biologiques et environnementales qui modifient la répartition et l'aire de migration de populations exploitées. Nous nous attendons à ce que ce modèle de déplacement soit utile pour modéliser la migration de poissons et illustrer l'incidence de cette migration sur la dynamique des pêches et qu'il pourrait être utilisé comme modèle opératoire dans des simulations en boucle fermée pour évaluer la robustesse de cadres de gestion quand il y a présence de structure ou de connectivité spatiale. [Traduit par la Rédaction]

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“…Although conventional tagging data have been widely used to examine population size and mortality, exploitation, growth, and movement rates in fisheries (Kurota et al 2009), two assumptions must be met: (1) the reporting rate must be known and (2) fish behavior must not be impacted by tagging (Sibert et al 1999;Pine et al 2003). Our study suggests that given a sufficient contrast in CPUE between two areas, tagging is not required to estimate biomass, fishing efficiency, growth, movement rate, and K. Eliminating the need for tagging data is one advantage of the present model, which is easily implemented for new data sets.…”

Section: Required Data and Model Assumptionsmentioning

confidence: 99%

A Surplus Production Model Considering Movements between Two Areas using Spatiotemporal Differences in CPUE: Application to Sea Ravens Hemitripterus villosus off Fukushima as a Practical Marine Protected Area after the Nuclear Accident

et al. 2015

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Although the number of marine protected areas (MPAs) for stock management has increased, movements or differences in population structure of a target species between an MPA and surrounding fishing areas have rarely been considered in stock biomass estimations. We developed a surplus production model considering seasonal movements between two areas; the model was applied to Sea Ravens Hemitripterus villosus off Fukushima, where almost all fishing has been prohibited since the 2011 accident at the Fukushima Dai‐ichi Nuclear Power Plant. We predicted future biomass by using CPUE data from coastal gill‐net fishing and offshore bottom trawl fishing in 2000 to 2009. The model reflected the seasonal coastal–offshore movements of Sea Ravens well, and it predicted increasing Sea Raven biomass in both areas, which was validated by the CPUEs observed after 2010—including those for trial bottom trawl fishing that occurred within limited offshore areas after the accident. Our results indicate that the newly developed model incorporating seasonal movements of Sea Ravens is feasible and that the waters off Fukushima have effectively been serving as an MPA since the nuclear accident. We also demonstrated the model's applicability for estimating the optimal fishing effort and designing a new MPA for stock management that considers seasonal movements. Received August 29, 2014; accepted May 4, 2015

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A Review of Tagging Methods for Estimating Fish Population Size and Components of Mortality

Cited by 266 publications

References 46 publications

Photo-identification as a technique for recognition of individual fish: a test with the freshwater armored catfish Rineloricaria aequalicuspis Reis & Cardoso, 2001 (Siluriformes: Loricariidae)

Photo-identification as a technique for recognition of individual fish: a test with the freshwater armored catfish Rineloricaria aequalicuspis Reis & Cardoso, 2001 (Siluriformes: Loricariidae)

A Lagrangian approach to model movement of migratory species

A Surplus Production Model Considering Movements between Two Areas using Spatiotemporal Differences in CPUE: Application to Sea Ravens Hemitripterus villosus off Fukushima as a Practical Marine Protected Area after the Nuclear Accident

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