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

H. J. Calich; S. E. Campana

doi:10.1111/jfb.12671

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

H. J. Calich, S. E. Campana

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

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 (L_FC) and jaw gape was used in conjunction with the diameter of the mating scar to estimate the L_FC 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. L_FC of 218 cm ± 23 cm were attempting to mate with sexually immature females.

Original language	English
Pages (from-to)	1845-1851
Number of pages	7
Journal	Journal of Fish Biology
Volume	86
Issue number	6
DOIs	https://doi.org/10.1111/jfb.12671
Publication status	Published - 1 Jan 2015
Externally published	Yes

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title = "Mating scars reveal mate size in immature female blue shark Prionace glauca",

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.",

keywords = "Elasmobranch, Jaw gape, Mating behaviour, Reproduction, Sexual maturity",

author = "Calich, {H. J.} and Campana, {S. E.}",

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AU - Campana, S. E.

PY - 2015/1/1

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N2 - 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.

AB - 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.

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KW - Jaw gape

KW - Mating behaviour

KW - Reproduction

KW - Sexual maturity

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JO - Journal of Fish Biology

JF - Journal of Fish Biology

IS - 6

ER -

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

Abstract

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