Roberto Rinaldi / Weedy seadragon (Phylloperyx taeniolatus) head portrait, Australia

Roberto Rinaldi / Weedy seadragon (Phylloperyx taeniolatus) with diver watching nearby, Australia. Model released

Roberto Rinaldi / John Dory fish (Zeus faber) on coral reef, Strait of Messina, Southern Italy

Roberto Rinaldi / Yellow fan coral / Seafan (Paramuricea clavata) amongst mass of invasive algae (Caulerpa taxifolia) with Rainbow wrasse fish (Coris julis), Strait of Messina, Southern Italy

Roberto Rinaldi / Wreck of crude oil super-tanker "Amoco Milford Haven", populated by shoals Swallowtail anthias (Anthias anthias) and Bogues (Boops boops). The tanker sank on April 14th, 1991 after three days of fire....

Roberto Rinaldi / Stern of crude oil super-tanker "Milford Haven", which sank on April 14th, 1991 after three days of fire. Genoa, Italy, 2007.

Roberto Rinaldi / Scuba diver with large sponge, Great Barrier Reef, Australia.

Roberto Rinaldi / Featherstars (Crinoidea) on sponge, Great Barrier Reef, Australia,

Roberto Rinaldi / Scuba diver above sponge, Light house Bomme, Great Barrier Reef, Australia.

Roberto Rinaldi / Crown of thorn stafish / seastar (Acanthaster planci) on reef, Reunion Island, Indian Ocean.

Roberto Rinaldi / Detail of the suckers of Crown of thorn starfish (Acanthaster planci) Reunion Island, Indian Ocean.

Roberto Rinaldi / Unidentified juvenile slipper lobster (possibly Scyllarides squammosus - the Blunt Slipper Lobster), Reunion Island, Indian Ocean.

Roberto Rinaldi / Moontail bullseye (Priacanthus hamrur) in front of a big gorgonian seafan (Subgorgia hicksoni), Reunion Island, Indian Ocean.

Roberto Rinaldi / Boucan Canot beach, Saint-Gilles-les-Bains, Reunion Island, Indian Ocean.

Roberto Rinaldi / Salazie, town situated in the volcanic caldera, Reunion Island.

Roberto Rinaldi / Tourist walking on the edge of Formica Leo crater of the Piton de la Fournaise volcano, La Reunion Island, Indian Ocean.

Roberto Rinaldi / Dolphin fish (Coryphaena hippurus) and Wahoos (Acanthocybium solandri) caught during big game fishing, Reunion Island, Indian Ocean.

Roberto Rinaldi / Gemetric morray eel or Grey morray (Gymnothorax griseus) Reunion Island, Indian Ocean.

Roberto Rinaldi / Sulawesi bear cuscus (Ailurops ursinus) Sulawesi, Indonesia. Vulnerable species.

Roberto Rinaldi / Sulawesi bear cuscus (Ailurops ursinus) Sulawesi, Indonesia. Vulnerable species.

Roberto Rinaldi / Sulawesi bear cuscus (Ailurops ursinus) Sulawesi, Indonesia. Vulnerable species.

Roberto Rinaldi / Sulawesi bear cuscus (Ailurops ursinus) Sulawesi, Indonesia. Vulnerable species.

Roberto Rinaldi / Sulawesi bear cuscus (Ailurops ursinus) Sulawesi, Indonesia. Vulnerable species.

Roberto Rinaldi / Sulawesi bear cuscus (Ailurops ursinus) Sulawesi, Indonesia. Vulnerable species.

Roberto Rinaldi / Sulawesi bear cuscus (Ailurops ursinus) Sulawesi, Indonesia. Vulnerable species.

Roberto Rinaldi / Weedy seadragon (Phylloperyx taeniolatus) close up of head, Australia

Roberto Rinaldi / Smiths green eyed gecko (Gecko smithii) in tree, Indonesia

Roberto Rinaldi / Clouded rock iguana (Cyclura nubila) portrait, Cayman Islands, vulnerable species

Roberto Rinaldi / Clouded rock iguana (Cyclura nubila) portrait, Cayman Islands, vulnerable species

Roberto Rinaldi / Blue iguana (Cyclura lewisi) portrait, Grand Cayman, Cayman Islands, critically endangered species

Roberto Rinaldi / Blue iguana (Cyclura lewisi) portrait, Grand Cayman, Cayman Islands, critically endangered species

Roberto Rinaldi / Weedy seadragon (Phylloperyx taeniolatus) close up of male's tail carrying eggs, Australia. Note the eyes of the baby seadragons developing inside the eggs.

Roberto Rinaldi / Weedy seadragon (Phylloperyx taeniolatus) close up of male's tail carrying eggs, Australia

Roberto Rinaldi / Weedy seadragon (Phylloperyx taeniolatus) head portrait, Australia

Roberto Rinaldi / Weedy seadragon (Phylloperyx taeniolatus) with driver watching nearby, Australia. Model released

Roberto Rinaldi / Weedy seadragon (Phyllopteryx taeniolatus) Australia

Roberto Rinaldi / Tube anemone (Cerianthus membranaceus) on sea bed amongst shoots of the invasive algae (Caulerpa taxifolia), Strait of Messina, Southern Italy Sequence 2/2

Roberto Rinaldi / Tube anemone (Cerianthus membranaceus) on sea bed, Strait of Messina, Southern Italy. Sequence 1/2

Roberto Rinaldi / Growth shoots and fronds of invasive algae (Caulerpa taxifolia) Strait of Messina, Southern Italy

Roberto Rinaldi / Alicia sea anemone (Alicia mirabilis) on fronds of invasive algae (Caulerpa taxifolia) Strait of Messina, Southern Italy

Roberto Rinaldi / Black faced blenny (Tripterygion delaisi) amongst fronds of invasive algae (Caulerpa taxifolia) Strait of Messina, Southern Italy

Roberto Rinaldi / Seafan coral (Eunicella cavolini) amongst invasive algae (Caulerpa taxifolia) Strait of Messina, Southern Italy

Roberto Rinaldi / Yellow fan coral / Seafan (Paramuricea clavata) amongst invasive algae (Caulerpa taxifolia), Strait of Messina, Southern Italy

Roberto Rinaldi / Field of invasive algae (Caulerpa taxifolia), Strait of Messina, Southern Italy

Roberto Rinaldi / Diver viewing mass of invasive algae (Caulerpa taxifolia), Strait of Messina, Southern Italy

Roberto Rinaldi / Yellow fan coral / Seafan (Paramuricea clavata) amongst mass of invasive algae (Caulerpa taxifolia), Strait of Messina, Southern Italy

Roberto Rinaldi / Diver viewing Yellow fan coral / Seafan (Paramuricea clavata) amongst mass of invasive algae (Caulerpa taxifolia), Strait of Messina, Southern Italy

Roberto Rinaldi / Sponge (Aplysina aerophoba) amongst mass of invasive algae (Caulerpa taxifolia) with Rainbow wrasse fish (Coris julis), Strait of Messina, Southern Italy