First confirmed complete incubation of a flapper skate (            <i>Dipturus intermedius</i>            ) egg in captivity

Steven Benjamins; Georgina Cole; Adam Naylor; James A. Thorburn; Jane Dodd

doi:10.1111/jfb.14816

First confirmed complete incubation of a flapper skate ( <i>Dipturus intermedius</i> ) egg in captivity

Steven Benjamins
, Georgina Cole
, Adam Naylor
, James A. Thorburn
, Jane Dodd^*

^*Corresponding author for this work

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

13 Citations (Scopus)

51 Downloads (Pure)

Abstract

An egg of the critically endangered flapper skate Dipturus intermedius was successfully incubated to hatching in captivity in what is believed to be a first for the species. Water conditions (temperature, salinity, flow rate) were recorded, with mean water temperatures ranging from a monthly mean of 8.3 ± 1.2 to 13.2 ± 0.3°C and salinity from a monthly mean of 30.5 ± 1.2 to 36.6 ± 2.3 ppt. Hatching occurred after 534 days, suggesting that flapper skate eggs take c. 5700 growing degree-days to incubate to hatching. The egg's prolonged embryonic development raises concerns about flapper skate eggs' vulnerability to anthropogenic disturbance.

Original language	English
Pages (from-to)	1150-1154
Journal	Journal of Fish Biology
Volume	99
Issue number	3
Early online date	02 Jun 2021
DOIs	https://doi.org/10.1111/jfb.14816
Publication status	Published - Sept 2021
Externally published	Yes

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10.1111/jfb.14816Licence: CC BY

First confirmed complete incubation of a flapper skate (Dipturus intermedius) egg in captivity
Copyright 2021 the authors. This is an open access article published under a Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.
Final published version, 3.39 MBLicence: CC BY

Cite this

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title = "First confirmed complete incubation of a flapper skate ( Dipturus intermedius ) egg in captivity",

abstract = "An egg of the critically endangered flapper skate Dipturus intermedius was successfully incubated to hatching in captivity in what is believed to be a first for the species. Water conditions (temperature, salinity, flow rate) were recorded, with mean water temperatures ranging from a monthly mean of 8.3 ± 1.2 to 13.2 ± 0.3°C and salinity from a monthly mean of 30.5 ± 1.2 to 36.6 ± 2.3 ppt. Hatching occurred after 534 days, suggesting that flapper skate eggs take c. 5700 growing degree-days to incubate to hatching. The egg's prolonged embryonic development raises concerns about flapper skate eggs' vulnerability to anthropogenic disturbance.",

author = "Steven Benjamins and Georgina Cole and Adam Naylor and Thorburn, \{James A.\} and Jane Dodd",

year = "2021",

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AU - Benjamins, Steven

AU - Cole, Georgina

AU - Naylor, Adam

AU - Thorburn, James A.

AU - Dodd, Jane

PY - 2021/9

Y1 - 2021/9

N2 - An egg of the critically endangered flapper skate Dipturus intermedius was successfully incubated to hatching in captivity in what is believed to be a first for the species. Water conditions (temperature, salinity, flow rate) were recorded, with mean water temperatures ranging from a monthly mean of 8.3 ± 1.2 to 13.2 ± 0.3°C and salinity from a monthly mean of 30.5 ± 1.2 to 36.6 ± 2.3 ppt. Hatching occurred after 534 days, suggesting that flapper skate eggs take c. 5700 growing degree-days to incubate to hatching. The egg's prolonged embryonic development raises concerns about flapper skate eggs' vulnerability to anthropogenic disturbance.

AB - An egg of the critically endangered flapper skate Dipturus intermedius was successfully incubated to hatching in captivity in what is believed to be a first for the species. Water conditions (temperature, salinity, flow rate) were recorded, with mean water temperatures ranging from a monthly mean of 8.3 ± 1.2 to 13.2 ± 0.3°C and salinity from a monthly mean of 30.5 ± 1.2 to 36.6 ± 2.3 ppt. Hatching occurred after 534 days, suggesting that flapper skate eggs take c. 5700 growing degree-days to incubate to hatching. The egg's prolonged embryonic development raises concerns about flapper skate eggs' vulnerability to anthropogenic disturbance.

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DO - 10.1111/jfb.14816

M3 - Article

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EP - 1154

JO - Journal of Fish Biology

JF - Journal of Fish Biology

IS - 3

ER -

First confirmed complete incubation of a flapper skate ( <i>Dipturus intermedius</i> ) egg in captivity

Abstract

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