Marialva
★★★★☆
(7)
Wreckage of the tugboat “Marialva”. Located off the mouth of the Douro River, on a sandy bottom, 25 meters deep. Very damaged and silted. Accessible only by boat.
It is possible to observe pouts, conger eels, octopuses and tub gurnard. Occasionally we can find schools of blue whiting, rays and small-spotted catshark.
Dive Activity
Potential Wildlife Sightings
Wildlife Sightings are Based on User Generated Content
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 300
Alamy/Reinhard Dirscherl
3 Sightings
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1
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2
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AdobeStock-wildestanimal
Common Dolphin
1 Sightings
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1
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Tobias Friedrich
Bottlenose Dolphin
1 Sightings
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1
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The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 7000
iStock-Michael Zeigler
Crab
3 Sightings
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1
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2
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The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 80
iStock/Extreme-Photographer
Stingrays
2 Sightings
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1
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The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 120
SSI-Peter-Schinck
Cuttlefish
1 Sightings
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1
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The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 3000
SSI-Peter-Schinck
Nudibranch
1 Sightings
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1
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0
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