Growth and maturity of the lesser‐spotted dogfish <scp><i>Scyliorhinus canicula</i></scp> (<scp>Linnaeus</scp>, 1758) in the southern <scp>P</scp>ortuguese continental coast

Moreira, Inês; Figueiredo, Ivone; Farias, Inês; Lagarto, Neide; Maia, Catarina; Robalo, Joana Isabel; Moura, Teresa

doi:10.1111/jfb.14915

Cited by 2 publications

(1 citation statement)

References 23 publications

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“…As it was noted on this review, the transcriptome analysis of the Chondrichthyes' tissues is still a very understudied subject, following the same pattern as the genomic studies regarding the same class of organisms [27]. With so many astonishing features that these species possess, there are numerous aspects that can be studied, such as elucidating the development of the large tail of thresher shark [194], understanding how some species possess faster and more efficient reproduction strategies, namely P. glauca [195] and S. canicula [196], or even which are the biochemical regulators behind the different morphologies of the various species of hammerhead sharks [197].…”

Section: Challenges and Future Perspectivesmentioning

confidence: 99%

Decoding the Transcriptome of Sharks, Rays, and Chimaeras: Insights into Their Physiology, Morphology, Evolution, and Biomedical Applications

Seixas

Domingues

Antunes

2023

Fishes

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Chondrichthyes (including sharks, rays, and chimaeras) are a class of jawed cartilaginous fishes (with skeletons composed primarily of cartilage), with major relevance to the marine ecosystems and to humanity. However, cartilaginous fishes are facing various threatens, inflicting abrupt declines in their populations. Thus, critical assessment of available molecular genetic variation, particularly retrieved from Chondrichthyans' transcriptomic analyses, represents a major resource to foster genomics research in this ancient group of vertebrate species. Briefly, RNA-Seq involves the sequencing of RNA strands present on a target tissue, which can assist genome annotation and elucidate genetic features on species without a sequenced genome. The resulting information can unravel responses of an individual to environmental changes, evolutionary processes, and support the development of biomarkers. We scrutinized more than 800 RNA-Seq entries publicly available, and reviewed more than one decade of available transcriptomic knowledge in chondrichthyans. We conclude that chondrichthyans’ transcriptomics is a subject in early development, since not all the potential of this technology has been fully explored, namely their use to prospectively preserve these endangered species. Yet, the transcriptomic database provided findings on the vertebrates’ evolution, chondrichthyans’ physiology, morphology, and their biomedical potential, a trend likely to expand further in the future.

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Section: Challenges and Future Perspectivesmentioning

confidence: 99%

Decoding the Transcriptome of Sharks, Rays, and Chimaeras: Insights into Their Physiology, Morphology, Evolution, and Biomedical Applications

Seixas

Domingues

Antunes

2023

Fishes

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Elasmobranch Mark–Recapture Experiment off the Balearic Islands: Insight into Scyliorhinus canicula Growth, Mobility, and Population Size

Ferragut-Perello,

Sánchez-Zulueta,

Ramírez-Amaro

et al. 2024

Fishes

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Despite the high diversity of elasmobranch fishes in the Balearic Islands, knowledge of their biology and population dynamics is still scarce. A recent mark-and-recapture experiment off the Balearic Islands tagged 3738 individuals of 23 shark and batoid species during MEDITS and CANAL bottom trawl scientific surveys from June 2021 to August 2023. Retrieval was reported for the sharks Scyliorhinus canicula and Mustelus mustelus, revealing relatively small home ranges for these species (0.2–38.5 km and 7.8–15.3 km for S. canicula and M. mustelus, respectively). Recapture efficiency was higher from scientific surveys than from commercial catches, highlighting potential challenges in collaboration with fishermen and recapture reports. Density estimates obtained from the MEDITS bottom trawl survey suggest a much larger population for S. canicula than estimates from the mark–recapture data, indicating MEDITS density estimates for this species may be overestimated due to its scavenger behavior perhaps favoring individuals searching for discards aggregated in the fishing grounds. This study emphasizes the importance of monitoring, collaborative efforts, and improved reporting mechanisms to enhance our understanding of elasmobranch populations and provide support for sustainable management of these vulnerable marine species.

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Growth and maturity of the lesser‐spotted dogfish Scyliorhinus canicula (Linnaeus, 1758) in the southern Portuguese continental coast

Cited by 2 publications

References 23 publications

Decoding the Transcriptome of Sharks, Rays, and Chimaeras: Insights into Their Physiology, Morphology, Evolution, and Biomedical Applications

Decoding the Transcriptome of Sharks, Rays, and Chimaeras: Insights into Their Physiology, Morphology, Evolution, and Biomedical Applications

Elasmobranch Mark–Recapture Experiment off the Balearic Islands: Insight into Scyliorhinus canicula Growth, Mobility, and Population Size

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