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Revista de Biología Tropical
Article . 2020 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Revista de Biología Tropical
Article
License: CC BY
Data sources: UnpayWall
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https://dx.doi.org/10.60692/a8...
Other literature type . 2020
Data sources: Datacite
https://dx.doi.org/10.60692/4p...
Other literature type . 2020
Data sources: Datacite
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Age and growth of the shark, Mustelus higmani (Carcharhiniformes: Triakidae) from Venezuela

عمر ونمو سمك القرش، Mustelus Higmani (Carcharhiniformes: Triakidae) من فنزويلا
Authors: Luz Carrillo; Rafael Tavares; Leonardo Sánchez; Carmen C. Velasquez;

Age and growth of the shark, Mustelus higmani (Carcharhiniformes: Triakidae) from Venezuela

Abstract

Abstract. Introduction: Mustelus higmani is one of the shark species most commonly caught in the northeastern region of Venezuela; however, this species has been poorly studied. Objective: to evaluate the age and growth of M. higmani on the basis of the optical analysis of vertebrae. Methods: Between August 2016 and July 2017, the vertebral samples were collected in the fishing port of Juan Griego, Margarita Island. The growth study was based on a sample of 238 individuals, 86 males (24.1-59.5 cm TL) and 152 females (24.4-69.5 cm TL) and the use of growth modeling approaches. Results: The RMI analysis indicated an annual periodicity for the deposition of growth rings. Ages assigned varied between 0 and 5 years in males, and between 0 and 6 years in females. The estimates of growth parameters obtained were L∞ = 60.8 cm TL, k = 0.54 years-1 and t0 = -1.04 years in males; and L∞ = 72.4 cm TL, k = 0.40 years-1 and t0 = -1.31 years in females. The ages at maturity and longevities resulted respectively in 2.5 and 6.4 years for males; and in 2.0 and 8.7 years for females. Conclusions: In general, results indicate that M. higmani has a rapid growth, early maturity, short longevity, and continuous reproduction, characterizing it as a biologically productive species. Key words: Caribbean; ecology; elasmobranchs; fishery; sharks.

Keywords

Ecology, Reproduction, Longevity, Fishery, FOS: Biological sciences, Environmental Science, Physical Sciences, Sharks, Genetics, Sexual maturity, Fishing, Conservation of Sharks and Rays, FOS: Medical biotechnology, Biology, Chondrichthyes, Zoology, Nature and Landscape Conservation

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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