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Mating scars reveal mate size in immature female blue shark Prionace glauca

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Date

2015-06-01

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Abstract

The objective of this study was to determine the size and maturity status of the male blue sharks Prionace glauca attempting to mate with small, immature females in the north-west Atlantic Ocean. The relationship between male curved fork length (LFC) and jaw gape was used in conjunction with the diameter of the mating scar to estimate the LFC and infer the maturity status of the male shark that produced the mating scar. The results indicate that mature males with a mean ± s.d. LFC of 218 cm ± 23 cm were attempting to mate with sexually immature females.

Description

Keywords

Elasmobranch, Jaw gape, Mating behaviour, Reproduction, Sexual maturity

Citation

URI

https://dspace-test.anu.edu.au/handle/1885/733741138

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DevOps Pure Testing

Source

Journal of Fish Biology

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Article

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DOI

10.1111/jfb.12671

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