Lifespan, longevity, and ageing
provided by AnAge articles
Maximum longevity: 14 years (wild)
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- Joao Pedro de Magalhaes
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- de Magalhaes, J. P.
Diagnostic Description
provided by Fishbase
Snout short; upper surface entirely spinulose, but centre of pectoral fins more or less bare in adults, underside smooth except for prickly front edges; generally 9-13 thorns in a complete row around inner margin of eye, and a large triangle of thorns on nape or shoulder region; two parallel rows of strong thorns on each side of midline along tail; upper surface ochre to light greyish-brown with a large roundish black eye-spot in middle of each pectoral fin, underside white (Ref. 3167)
Life Cycle
provided by Fishbase
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).
Morphology
provided by Fishbase
Dorsal spines (total): 0; Analspines: 0; Analsoft rays: 0
Biology
provided by Fishbase
Feed on all kinds of bottom animals (Ref. 3167). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 5.0-7.0 cm long and 3.1-3.9 cm wide (Ref. 41250). Around 70-150 eggs are laid per individual annually (Ref. 41250).
Importance
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fisheries: commercial; aquarium: public aquariums
Leucoraja naevus
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Leucoraja naevus: Brief Summary
provided by wikipedia EN
Leucoraja naevus is a species of fish belonging to the family Rajidae.
It is mainly found along the coasts of the Northern Atlantic Ocean and occasionally in the Mediterranean Sea.
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