First confirmed complete incubation of a flapper skate (Dipturus intermedius) 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 (Dipturus intermedius) egg in captivity

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

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

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^oC 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 approximately 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
Article number	14816
Number of pages	5
Journal	Journal of Fish Biology
Volume	Early View
Early online date	19 Jun 2021
DOIs	https://doi.org/10.1111/jfb.14816
Publication status	E-pub ahead of print - 19 Jun 2021

Keywords

Egg
Embryo
Development
Time
Temperature
Flapper skate
Dipturus intermedius

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10.1111/jfb.14816Licence: CC BY

Benjamins-2021-First-confirmed-complete-JFB-14816-CCBY
Crown copyright © 2021. Journal of Fish Biology published by John Wiley & Sons Ltd on behalf of Fisheries Society of the British Isles. This article is published with the permission of the Controller of HMSO and the Queen's Printer for Scotland. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Final published version, 3.38 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±0.3oC 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 approximately 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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author = "Steven Benjamins and Georgina Cole and Adam Naylor and Thorburn, {James A.} and Jane Dodd",

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AU - Benjamins, Steven

AU - Cole, Georgina

AU - Naylor, Adam

AU - Thorburn, James A.

AU - Dodd, Jane

PY - 2021/6/19

Y1 - 2021/6/19

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±0.3oC 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 approximately 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±0.3oC 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 approximately 5700 growing degree-days to incubate to hatching. The egg's prolonged embryonic development raises concerns about flapper skate eggs' vulnerability to anthropogenic disturbance.

KW - Egg

KW - Embryo

KW - Development

KW - Time

KW - Temperature

KW - Flapper skate

KW - Dipturus intermedius

U2 - 10.1111/jfb.14816

DO - 10.1111/jfb.14816

M3 - Article

SN - 0022-1112

VL - Early View

JO - Journal of Fish Biology

JF - Journal of Fish Biology

M1 - 14816

ER -

First confirmed complete incubation of a flapper skate (Dipturus intermedius) egg in captivity

Abstract

Keywords

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