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Roughskin Skate

Dipturus trachyderma (Krefft & Stehmann 1975)

Lifespan, longevity, and ageing

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Maximum longevity: 26 years (wild)
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Joao Pedro de Magalhaes
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de Magalhaes, J. P.
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AnAge articles

Life Cycle

provided by Fishbase
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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FishBase
Recorder
Susan M. Luna
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Biology

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Occurs on sandy and muddy bottoms of outer continental shelf and upper slope, also found at shallower depth 20m. Feeds mainly on bony fishes and crustaceans (Ref. 114953). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205); egg cases ca. 20-30 cm long (Ref. 114953). Reaches maturity at ca. 13 years (Ref. 114953).
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FishBase
Recorder
Cristina V. Garilao
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Fishbase