An Ecomorphological Description of Amblyraja radiata (Rajiformes: Rajidae) in Waters of Eastern Canada

We examine the distribution, habitat association, morphometrics, meristics, and reproductive attributes of Amblyraja radiata over much of its Canadian range, Grand Banks to Arctic waters. It is distributed widely on the shelf and upper slope between 30 and 1288 m, reaching highest density in 100–400...

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Published in:Diversity (Basel) 2024-10, Vol.16 (10), p.595
Main Authors: Kulka, David W, Miri, Carolyn M, Atchison, Sheila, Simpson, Mark R
Format: Article
Language:English
Subjects:
Amblyraja radiata
Analysis
Distribution
ecomorphological description
Females
Fins
Fish
habitat
Identification and classification
Latitude
Males
Maturity
Morphometrics (Biology)
Ovaries
Rajiformes
Secondary sexual characters
skate
Skates (Fishes)
spatial ecology
Sperm
Spines
Spiracles
taxonomy
Topography
Uterus
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Miri, Carolyn M
Atchison, Sheila
Simpson, Mark R
description We examine the distribution, habitat association, morphometrics, meristics, and reproductive attributes of Amblyraja radiata over much of its Canadian range, Grand Banks to Arctic waters. It is distributed widely on the shelf and upper slope between 30 and 1288 m, reaching highest density in 100–400 m and occupying most available temperatures, between −1.0 and 8.8 °C, but concentrating in 1.6–3.5 °C. The maximum (and average) size decreases with increasing latitude in a continuum from 102 cm (55 cm) in the south, to 45 cm (20 cm) in the north. The proportion of mature fish increases with depth (40% at 0–50 m to 80% at 1150–1200 m) and temperature (35% at
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ispartof Diversity (Basel), 2024-10, Vol.16 (10), p.595
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recordid cdi_doaj_primary_oai_doaj_org_article_624c9ff0b82c45d398d95025d938483e
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subjects Amblyraja radiata
Analysis
Distribution
ecomorphological description
Females
Fins
Fish
habitat
Identification and classification
Latitude
Males
Maturity
Morphometrics (Biology)
Ovaries
Rajiformes
Secondary sexual characters
skate
Skates (Fishes)
spatial ecology
Sperm
Spines
Spiracles
taxonomy
Topography
Uterus
title An Ecomorphological Description of Amblyraja radiata (Rajiformes: Rajidae) in Waters of Eastern Canada
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