Georgette Douwma / Dash-and-dot goatfish (Parupeneus barberinus) feeding in sand, Andaman Sea, Thailand.

Georgette Douwma / Dash-and-dot goatfish (Parupeneus barberinus) feeding in sand, Andaman Sea, Thailand

Piotr Naskrecki / Dot-faced Katydid (Vestria punctata), Barbilla National Park, Costa Rica

Juergen Freund / Dashdot goatfish (Parupeneus barberinus) feeding on seabed, Bali, Indonesia.

Juergen Freund / Dashdot goatfish (Parupeneus barberinus) feeding on sandy seabed, Bali, Indonesia.

Stephen Dalton / Dot Moth (Melanchra persicariae) larva on twig. UK, September.

Pete Oxford / Polka-dot Treefrog (Hypsiboas punctatus), Napo River, Yasuni National Park, Amazon, Ecuador

Pete Oxford / Polka Dot Moth (Pantherodes pardalaria), Mindo Cloud Forest, western slope of Andes, Ecuador

GEORGETTE DOUWMA / Dash-and-dot goatfish (Parupeneus barberinus) digging for food such as molluscs, crustaceans and urchins, in coral rubble, shadowed by a Yellowtail Coris (Coris gaimard). Misool, Raja Ampat, West Papu...

GEORGETTE DOUWMA / Dash-and-dot goatfish (Parupeneus barberinus) digging in coral rubble for prey, accompanied by a Yellowtail coris (Coris gaimard) hoping to catch any escaping prey. Misool, Raja Ampat, West Papua, Ind...

Guy Edwardes / Dot moth (Melanchra persicariae) on fern, Uplyme, Devon, England, July

GEORGETTE DOUWMA / Dash-and-dot goatfish (Parupeneus barberinus) digging for food such as molluscs, crustaceans and urchins, in coral rubble, shadowed by a Yellowtail coris (Coris gaimard) Misool, Raja Ampat, West Papua...

Robert Thompson / Polka dot wasp moth {Syntomeida epilais} Florida, USA, September

Stephen Dalton / Dot moth {Melanchra persicariae} on ivy leaf, UK

Fred Bavendam / Dot-and-dash Butterflyfish (Chaetodon pelewensis), Coral Sea, Australia

Fred Bavendam / Dot-and-dash Butterflyfish (Chaetodon pelewensis), Tonga

GEORGETTE DOUWMA / Dash-and-dot goatfish (Parupeneus barberinus) grubbing in sand, closely watched by a Spinecheek (Scolopsis sp., an undescribed species) hoping to catch escaping prey. Bali, Indonesia

GEORGETTE DOUWMA / Dash-and-dot goatfish (Parupeneus barberinus) grubbing in sand for prey, closely watched by Longbarbel goatfish (Parupeneus macronema) and a Twoline spinecheek (Scolopsis bilineatus) hoping to catch e...

Thomas Marent / Polka-dot Treefrog (Hypsiboas punctatus) on leaf, Manu National Park, Peru

Mark Moffett / Leafcutter Ant (Atta vollenveideri) nests dot the landscape, lines radiating from the nest are the ants' trunk trails, Paraguay

Onne van der Wal / Aerial view of boats moored off one of the many deserted islands that dot the coast of Puerto Rico, Caribbean. ^^^Rich aquatic life and coral reef make these areas popular with snorkellers and scuba d...

Onne van der Wal / Penguins dot the shores of Deception Island, Antarctic Peninsula.

Onne van der Wal / Penguins dot the shores of Deception Island, Antarctica.

Onne van der Wal / Aerial view of boats moored off one of the many deserted islands that dot the coast of Puerto Rico, Caribbean. ^^^Rich aquatic life and coral reef make these areas popular with snorkellers and scuba d...

Piotr Naskrecki / Dot-faced Katydid (Vestria punctata), Barbilla National Park, Costa Rica

Robert Thompson / Dot moth (Melanchra persicariae) camouflaged on leaf litter, Killarney National Park, County Kerry, Republic of Ireland, UK

Steven David Miller / Polka dot wasp moth {Syntomeida epilais jucundissima} male on Oleander flower, Florida, USA