Shane Gross / Invasive Lionfish (Pterois volitans) which have taken over and are wiping out native fish in the Atlantic ocean. The highest densities are in the northern gulf of Mexico. Destin, Florida, USA.

Shane Gross / Invasive Lionfish (Pterois volitans) which have taken over and are wiping out native fish in the Atlantic ocean. The highest densities are in the northern gulf of Mexico. Destin, Florida, USA.

Jussi Murtosaari / Peacock butterfly (Inachis io) newly emerged on asters, Jyvaskyla, Finland, August.

Alex Hyde / Peacock butterfly (Inachis io) feeding on Goat Willow catkins (Salix caprea), an important food source for pollinators in early spring. Peak District National Park, UK. April.

Silvia Reiche / Peacock Butterfly (Inachis io), Netherlands

Silvia Reiche / Peacock Butterfly (Inachis io), Netherlands

Alex Hyde / Peacock butterfly (Inachis io) basking with open wings on a white background in mobile field studio. Peak District National Park, Derbyshire, UK. August

Jussi Murtosaari / Peacock Butterfly (Inachis io) closeup of wings, South Karelia, southern Finland, September.

Paul Harcourt Davies,Paul Harcourt Davies / Peacock butterfly (Inachis io) resting against a wood shed window, Orvieto, Italy, June

Alex Hyde / Peacock butterfly (Inachis io) and Small tortoiseshell butterflies (Aglais urticae) feeding on Buddleia flowers (Buddleia davidii), Derbyshire, UK, September.

Pete Oxford / Butterfly peacock bass (Cichla ocellaris) in permanent freshwater pond, savannah, Rupununi, Guyana

Michel Roggo / Butterfly peacock bass (Cichla ocellaris) in flooded forest, Rio Tabajos, Amazon, Brazil.

Niall Benvie / Peacock butterfly (Inachis io) on Ragwort (Senecio jacobaea) Scotland, UK

Stephen Dalton / Peacock butterfly (Inachis io) hibernating on soft furnishings. England, UK.

Stephen Dalton / Peacock butterfly (Vanessa io) in flight, UK

Alex Hyde / Peacock Butterfly {Inachis io} emerging from chrysalis against white background. Sequence 5/6.

Alex Hyde / Peacock Butterfly {Inachis io} emerging from chrysalis against white background. Sequence 4/6.

Alex Hyde / Peacock Butterfly {Inachis io} emerging from chrysalis against white background. Sequence 2/6.

Alex Hyde / Peacock Butterfly {Inachis io} emerging from chrysalis against white background. Sequence 6/6.

Alex Hyde / Peacock Butterfly {Inachis io} emerging from chrysalis against white background. Sequence 3/6.

Alex Hyde / Peacock Butterfly {Inachis io} emerging from chrysalis against white background. Sequence 1/6.

Silvia Reiche / Peacock Butterfly (Inachis io) on flower, Hoogeloon, Noord-Brabant, Netherlands

Andy Sands / Peacock butterfly (Inachis io) on Fleabane flowers, Hertfordshire, England, UK

Thomas Marent / Peacock Butterfly (Inachis io) on flowers, Switzerland

Kim Taylor / Peacock butterfly (Inachis io) on Buddleia. UK

Hanne & Jens Eriksen / White peacock butterfly {Anartia jatrophae} resting on flower. USA.

Hans Christoph Kappel / Peacock Butterfly, Germany

Rolf Nussbaumer / White peacock butterfly {Anartia jatrophae} on Passion flower, Texas, USA.

Rolf Nussbaumer / Peacock butterfly emerging from pupa {Inachis io} Switzerland

Alex Mustard / A backlit photo of a British World War II BSA M20 motorbike inside Hold 2 (port side, upper level) of the wreck of the Thistlegorm, with lionfish (Pterois volitans). Sha'ab Ali, Red Sea. Sinai, Eg...

Heather Angel / Chinese peacock butterfly (Papilio bianor) drinking nectar from a Hibiscus flower. To maintain position it flaps the wings which pick up pollen on their undersides from the stamens placed on the end o...

Nigel Cattlin / Peacock butterfly (Inachis io) last instar caterpillar feeding on Stinging nettle (Urtica dioica) food plant.

Shane Gross / Lionfish derby, a competition to catch invasive Lionfish (Pterois volitans). One team caught 466 lionfish in a single day during the Green Turtle Cay, Bahamas, June 2016

Shane Gross / Lionfish (Pterois volitans) caught in a Lionfish derby, a competition to catch invasive Lionfish (Pterois volitans). One team caught 466 lionfish in a single day during the Green Turtle Cay, Bahamas,...

Shane Gross / Scuba diver feeds an invasive lionfish (Pterois volitans) to a Caribbean reef shark (Carcharhinus perezi) off Grand Bahama Island, Bahamas. It was once thought that if the sharks learned that lionfish...

Shane Gross / Scuba diver feeds an invasive lionfish (Pterois volitans) to a Caribbean reef shark (Carcharhinus perezi) off Grand Bahama Island, Bahamas. It was once thought that if the sharks learned that lionfish...

Shane Gross / Scuba diver spears and invasive lionfish (Pterois volitans) off Grand Bahama Island, Bahamas. Spearing is illegal in The Bahamas, however, a special exemption was made for lionfish.

Shane Gross / An invasive lionfish (Pterois volitans) is fed to a Caribbean reef shark (Carcharhinus perezi) off Grand Bahama Island, Bahamas. It was once thought sharks could be trianed to feed on lionfish by feed...

Shane Gross / A scuba diver spears an invasive lionfish (Pterois volitans) off Grand Bahama Island, Bahamas. Spearing is illegal in The Bahamas, however, a special exemption was made for lionfish.

Shane Gross / Sign for Lionfish drop off. Local fisherman are paid to catch invasive lionfish (Pterois volitans) in the Caribbean to help reduce their numbers and, in turn, help the reefs. Image made on Eleuthera,...

Shane Gross / Mural painted on the side of a small grocery store on Eleuthera Island, Bahamas depicting how the fate of the Bahamian fishery is tied closely to that of the invasive lionfish (Pterois volitans). Eleu...

Shane Gross / Woman wearing a Lionfish (Pterois volitans) necklace in The Bahamas. The species is invasive and fisherman are encouraged to cull them.

Shane Gross / Jewelry made from the tails of invasive lionfish (Pterois volitans) Eleuthera, Bahamas.

Shane Gross / Invasive lionfish (Pterois volitans) in a lab tank to be studied by researchers. Bahamas, September 2015.

Shane Gross / The tails of invasive lionfish (Pterois volitans) dry on a cutting board. The tails will be made into jewelry. Image made on Eleuthera, Bahamas.

Shane Gross / An invasive Lionfish (Pterois volitans) and tourist snorkelers, The Bahamas.

Shane Gross / Invasive lionfish (Pterois volitans) on the end of a spear. Florida, USA. February 2018. In order to keep their numbers low, scuba divers and snorkellers are encouraged to spear as many as possible.

Shane Gross / An invasive lionfish (Pterois volitans) hunting at night off Eleuthera Island, Bahamas.

Shane Gross / Lionfish (Pterois volitans) over coral at night in The Bahamas. Invasive species.

Shane Gross / Lionfish (Pterois volitans) over coral in The Bahamas. Invasive species.

Shane Gross / Invasive Lionfish (Pterois volitans) is caught as part of an effort to help coral reefs adapt to this new predator. Abaco, Bahamas.

Thomas Marent / Tiger Beauty (Tigridia acesta) butterfly, Santa Maria, Colombia

Robert Thompson / Peacock (Aglais io) Brackagh Moss NNR, Portadown, Co. Armagh, Northern Ireland. July

Franco Banfi / Scuba diver hunting invasive Lionfish (Pterois volitans) to feed to Crocodiles. May 2015.

Georgette Douwma / Juvenile Red lionfish (Pterois volitans) West Papua, Indonesia.

David Fleetham / Lionfish (Pterois volitans) Yap, Micronesia.

David Fleetham / Lionfish (Pterois volitans) Indonesia.

Bert Willaert / Pair of Lionfish (Pterois volitans) swimming over coral reef. Bismarck Sea, Vitu Islands, West New Britain, Papua New Guinea

Martin Grimm/ BIA / Peacock Butterfly (Inachis io), Baden-Wurttemberg, Germany

Martin Grimm/ BIA / Peacock Butterfly (Inachis io), Baden-Wurttemberg, Germany

Doug Wechsler / Red peacock butterfly (Anartia amathea) pair mating, Buenaventura Reserve, Ecuador.

Laurie Campbell / Peacock butterfly (Inachis io) larva feeding on stinging nettle, Berwickshire, Scotland, July 2008

Laurie Campbell / Peacock butterfly (Inachis io) larva feeding on stinging nettle, Berwickshire, Scotland, July 2008

Alex Mustard / Portrait of the rare Golden basslet (Gramma dejongi) photographed in front of a Lionfish (Pterois volitans). Jardines de la Reina, Gardens of the Queen National Park, Cuba. Caribbean Sea.

Franco Banfi / Lionfish (Pterois volitans) Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines

Ernie Janes / Peacock butterflies (Inachis io) resting on Ice plant (Sedum spectabile) England, UK.

Ernie Janes / Peacock butterflies (Inachis io) feeding on corn marigolds (Glebionis segetum) on agricultural headland. England, UK.

Ernie Janes / Peacock butterfly (Inachis io) buddleia in garden. England, UK.

Lorraine Bennery / Peacock butterfly (Inachis io), Ain, France, September.

Sue Daly / Peacock butterfly (Inachis io), Sark, Channel Islands, Sept 2011

Konrad Wothe / Peacock Butterfly (Inachis io) false eye spot on wing, Bavaria, Germany

Konrad Wothe / Peacock Butterfly (Inachis io) on Lavender (Lavandula sp), Bavaria, Germany

Konrad Wothe / Peacock Butterfly (Inachis io) on Lavender (Lavandula sp), Bavaria, Germany

Stephen Dalton / Peacock butterfly (Aglais io) flying over ivy flowers Sussex, England, UK. October.

Dave Bevan / Peacock butterfly (Aglais io) nectaring on a Buddliea (Buddleja) flower, Carmarthenshire, Wales, UK. September.

Five Films / White peacock butterfly (Anartia jatrophae) on a leaf, opening and closing its wings, Reserva Ecologica de Guapiacu, Rio de Janeiro, Brazil, 2015.

Nick Upton / Close up view of a Peacock butterfly (Inachis io) nectaring on a Bramble flower (Rubus plicatus) on a woodland edge, Lower Woods Gloucestershire Wildlife Trust reserve, Gloucestershire, England, UK, J...

Nick Upton / Close up view of a Peacock butterfly (Inachis io) nectaring on a Bramble flower (Rubus plicatus) on a woodland edge, Lower Woods Gloucestershire Wildlife Trust reserve, Gloucestershire, England, UK, J...

Nick Upton / Close up view of a Peacock butterfly (Inachis io) nectaring on a Bramble flower (Rubus plicatus) on a woodland edge, Lower Woods Gloucestershire Wildlife Trust reserve, Gloucestershire, England, UK, J...

Nick Upton / Close up view of a Peacock butterfly (Inachis io) nectaring on a Bramble flower (Rubus plicatus) on a woodland edge, Lower Woods Gloucestershire Wildlife Trust reserve, Gloucestershire, England, UK, J...

Nick Upton / Close up view of a Peacock butterfly (Inachis io) nectaring on a Bramble flower (Rubus plicatus) on a woodland edge, Lower Woods Gloucestershire Wildlife Trust reserve, Gloucestershire, England, UK, J...

Nick Upton / Close up view of a Peacock butterfly (Inachis io) nectaring on a Bramble flower (Rubus plicatus) before flying off, Lower Woods Gloucestershire Wildlife Trust reserve, Gloucestershire, England, UK, Ju...

Nick Upton / Close up view of a Peacock butterfly (Inachis io) nectaring on a Bramble flower (Rubus plicatus) before flying off, Lower Woods Gloucestershire Wildlife Trust reserve, Gloucestershire, England, UK, Ju...

Constantinos Petrinos / Turkey fish (Pterois volitans) juvenile. Lembeh Strait, North Sulaewesi, Indonesia.

Constantinos Petrinos / Turkey fish (Pterois volitans) juvenile. Lembeh Strait, North Sulaewesi, Indonesia.

Constantinos Petrinos / European Peacock butterfly (Inachis io) Menen, Belgium, September.

Constantinos Petrinos / European Peacock butterfly (Inachis io) feeding on flower, Menen, Belgium, September.

Ingo Arndt / Close up of wing pattern of Peacock butterfly (Inachis io) Germany

Ingo Arndt / Peacock butterfly (Inachis io) on flower head, Germany

Russell Cooper / Peacock butterfly (Inachis io) female egg laying on the underside of a nettle leaf, Southwest London, England, UK, May.

Russell Cooper / Peacock butterfly (Inachis io) basking on fallen tree, Southwest London, England, UK, April.

Thomas Marent / Tiger Beauty (Tigridia acesta) butterfly, Rio Claro Nature Reserve, Antioquia, Colombia

MYN / Dirk Funhoff / Peacock butterfly (Inachis io) pupa, Lorsch, Hessen, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Peacock butterfly (Inachis io), Lorsch, Hessen, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Peacock butterfly (Inachis io), Lorsch, Hessen, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Peacock butterfly (Inachis io) pupa, Lorsch, Hessen, Germany. June. Meetyourneighbours.net project