Usually grey with small white spots, but spots can be faint or absent; colour alone cannot separate it from M. mustelus. Marine inner shelf to about 200 m, including sandy coasts, bays and outer estuaries.
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Wildlife education
This record supports wildlife education. Aquarium-care questions are not assigned to this profile.
Wildlife education profile; reviewed natural-history sources do not establish a captive operating protocol.
Wildlife reference; no home-aquarium stocking recommendation or validated captive operating protocol is supplied. Public-aquarium photographs document living animals, not suitability for private keeping.
Outstanding care evidence
- Institutional lifetime husbandry and veterinary protocol
Identification
Usually grey with small white spots, but spots can be faint or absent; colour alone cannot separate it from M. mustelus.
Names and Classification
Historically confused with M. mustelus, particularly around Britain and Ireland.
Adult Size
UK records reach 140 cm total length; British estimates of 50% maturity are about 70 cm for males and 82 cm for females, and should not be generalized globally.
Distribution and Habitat
Northeastern Atlantic from northern European waters south to northwestern Africa; Mediterranean and Black Sea records require care with identification. Marine inner shelf to about 200 m, including sandy coasts, bays and outer estuaries.
Feeding and Ecological Role
Predominantly crustaceans; hermit and swimming crabs dominate studied northeastern Atlantic diets. Seasonal migration and site fidelity occur in the northeastern Atlantic. Increasing northern abundance coexists with declines farther south.
Reproduction and Life History
Aplacental live-bearing; British studies found 4–20 embryos and gestation around 12 months, with regional birth timing.
Conservation
Near Threatened (IUCN Red List global species assessment; Assessed 4 August 2020; checked 2026-10-17). Global category; does not establish local abundance or a measured population trend.
Responsible Observation
Observe without chasing, feeding, touching or obstructing the animal. Keep fins and equipment off resting rays and sharks; give sawfishes and wedgefishes room to move. Follow the site’s local wildlife rules and use responsible dive operators.
About the Photographs
3 verified photographs of living animals were selected. Each records the photographer, reuse licence and source; captive contexts are labelled. Dead or preserved specimens, drawings and uncertain identifications were excluded.
Aquarium Suitability
Wildlife education only. This marine elasmobranch is outside home-aquarium stocking and care guidance. Wild range and diet are not a captive operating protocol; this profile does not infer tank dimensions, water settings, acquisition advice or an institutional welfare plan.
Evidence Gaps
Evidence gaps include: Mediterranean category Vulnerable is regional; global category is Near Threatened; Mixed-species landings limit range-wide population and life-history comparisons.
A living record
Natural history, taxonomy and global conservation categories checked against the linked sources. Habitat measurements are not captive care settings. Each photograph has separate identity, living-status and rights evidence. Public content last reviewed October 17, 2026.
- NatureScot species synthesis ↗Reference source
- Farrell et al. genetic identification study ↗Reference source
- Shark-References — species and taxonomic synonyms ↗Reference source