Shane Gross / Sea moth / dragonfish (Eurypegasos draconis) camouflaged on the seabed, near Alor, Indonesia.
01587227
Remi Masson / Common frog (Rana temporaria) and Three-spined stickleback (Gasterosteus aculeatus) in a river. Alps, river Rhone, France
01587247
Remi Masson / Three-spined stickleback (Gasterosteus aculeatus) male building its nest. River Rhone, France
01572413
Willem Kolvoort / Ten-spined stickleback (Pungitius pungitius) among stonewort in pond, the Netherlands, July.
01572412
Willem Kolvoort / Ten-spined stickleback (Pungitius pungitius) in pond, the Netherlands, July.
01572411
Willem Kolvoort / Ten-spined stickleback (Pungitius pungitius) in pond, the Netherlands. July.
01572410
Willem Kolvoort / Ten-spined stickleback (Pungitius pungitius) in pond, the Netherlands, July.
01572409
Willem Kolvoort / Ten-spined stickleback (Pungitius pungitius) with a cyclops in a aquarium, the Netherlands. February.
01572408
Willem Kolvoort / Ten-spined stickleback (Pungitius pungitius) in pond, the Netherlands. July.
01572407
Willem Kolvoort / Ten-spined stickleback (Pungitius pungitius) in a ditch, the Netherlands, November.
01572406
Willem Kolvoort / Ten-spined stickleback (Pungitius pungitius) in a ditch, the Netherlands, November.
01548306
Steve Downer / Close-up of a male Three spined stickleback (Gasterosteus aculeatus) fanning water over eggs in nest, May. Captive.
01548305
Steve Downer / Close-up of a male Three spined stickleback (Gasterosteus aculeatus) fanning water over eggs in nest, May. Captive.
01548300
Steve Downer / Male Three spined stickleback (Gasterosteus aculeatus) tending to nest, April. Captive.
01548299
Steve Downer / Male Three spined stickleback (Gasterosteus aculeatus) nudging female into nest to encourage egg laying, female exits and male enters nest to fertilise eggs, April. Captive.
01548298
Steve Downer / Male Three spined stickleback (Gasterosteus aculeatus) constructing nest, April. Captive.
01548297
Steve Downer / Male Three spined stickleback (Gasterosteus aculeatus) constructing nest, April. Captive.
01548296
Steve Downer / Male Three spined stickleback (Gasterosteus aculeatus) constructing nest, April. Captive.
01548283
Steve Downer / Pair of Common european toads (Bufo bufo) in amplexus, laying eggs, with European common frog (Rana temporaria) tadpoles and Three spined stickleback (Gasterosteus aculeatus) in shot, Birmingham, Engl...
01542476
Pascal Kobeh / Little dragonfish / Dragon sea moth (Eurypegasus draconis) pair, Sulu Sea, Philippines
01526584
MYN / Paul van Hoof / Three-spined stickleback (Gasterosteus aculeatus) two adults with 'leiurus form'. The Netherlands, October, Meetyourneighbours.net project
01526583
MYN / Paul van Hoof / Three-spined stickleback (Gasterosteus aculeatus) adult with 'leiurus form'. The Netherlands, October, Meetyourneighbours.net project
01526582
MYN / Paul van Hoof / Three-spined stickleback (Gasterosteus aculeatus) adult with 'leiurus form'. The Netherlands, October, Meetyourneighbours.net project
01504885
Gary K. Smith / Little egret, (Egretta garzetta), catching Three-spined stickleback (Gasterosteus aculeatus) in tidal estuary, Norfolk, UK. December.
MYN / Paul van Hoof / Three-spined stickleback (Gasterosteus aculeatus) February, The Netherlands, Meetyourneighbours.net project
01489443
Nick Upton / Little egret (Egretta garzetta) with a Three-spined stickleback (Gasterosteus aculeatus) in its beak, Gloucestershire, UK, March.
01472425
Alex Mustard / Pair of Seamoths / Little dragonfish (Eurypegasus draconis) moving across pebbly seabed in shallow water. The larger male is on the left. Dahab, Sinai, Egypt. Gulf of Aqaba, Red Sea.
01451259
Oriol Alamany / Scientist measuring Three-spined stickleback (Gasterosteus aculeatus) for biometrics study in the river Daro, Gavarres Natural Area, Catalonia, Spain, May.
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male with female laying eggs in the nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451277
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male building his nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451276
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male with female laying eggs in the nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451275
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male with female laying eggs in the nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451274
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus) male with female laying eggs in the nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451273
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male and female laying eggs in the nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451272
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male building his nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451271
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), males, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451270
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male building his nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451269
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male building his nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451268
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), males fighting, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451267
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male building his nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451266
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), female, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451265
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male building his nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451264
Oriol Alamany / Three-spined stickleback (Gasterosteus aculeatus), male with female laying eggs in the nest, Espai Natural Les Gavarres, Baix Emporda, Catalonia, Spain, captive.
01451263
Oriol Alamany / Valencia toothcarp / Samaruc (Valencia hispanica) Spanish toothcarp / Fartet (Aphanius iberus) and Three-spined stickleback (Gasterosteus aculeatus) captive breeding tanks in Centre Ictiologic, Delta...
01451262
Oriol Alamany / Trapping of Three-spined stickleback (Gasterosteus aculeatus) for biometrics study in the river Daro, Gavarres Natural Area, Catalonia, Spain
01451261
Oriol Alamany / Scientists trapping Three-spined stickleback (Gasterosteus aculeatus) for biometrics study in the river Daro, Gavarres Natural Area, Catalonia, Spain, May 2008.
01451260
Oriol Alamany / Scientists trapping Three-spined stickleback (Gasterosteus aculeatus) for biometrics study in the river Daro, Gavarres Natural Area, Catalonia, Spain, May 2008.
01444920
Robin Chittenden / Little Grebe (Tachybaptus ruficollis ruficollis) with Stickleback (Gasterosteus) Minsmere RSPB reserve, Suffolk. UK, April
01436646
Nick Upton / Little egret (Egretta garzetta) with a Three-spined stickleback (Gasterosteus aculeatus) it has caught in its beak near a nesting Coot (Fulica atra), Gloucestershire, UK, May.
01728801
Jack Perks / Three-spined stickleback (Gasterosteus aculeatus) male making a nest. The fish repeatedly swims in and out of the frame with vegetation in its mouth, constructing the nest with this material. UK, June...
01708092
Henley Spiers / Sticklebacks (Gasterosteidae) sheltering beneath a Beaver (Castor fiber) dam in river, Devon, UK. March.
01688981
Henley Spiers / Three-spined stickleback (Gasterosteus aculeatus) close up, River Otter, Devon, England, UK.
01688963
Henley Spiers / Male Three-spined stickleback (Gasterosteus aculeatus) showing breeding colouration, guarding its eggs which are hidden underground in an aerated nest, River Otter, Devon, England, UK.
01688962
Henley Spiers / Male Three-spined stickleback (Gasterosteus aculeatus) showing breeding colouration, guarding its eggs which are hidden underground in an aerated nest, River Otter, Devon, England, UK.
01688919
Henley Spiers / Male Three-spined stickleback (Gasterosteus aculeatus) showing breeding colouration, guarding its eggs which are hidden underground in an aerated nest, River Otter, Devon, England, UK.
01691382
Shane Gross / School of Three-spined stickleback (Gasterosteus aculeatus) at the mouth of Campbell River, Vancouver Island, British Columbia, Canada.
01688688
Alex Mustard / Male Fifteen spined stickleback / Sea stickleback (Spinachia spinachia) guarding a nest in Spaghetti seaweed / Thong weed (Himanthalia elongata), Isle of Coll, Inner Hebrides, Scotland, UK, North Atla...
01688656
Alex Mustard / Fifteen spined stickleback (Spinachia spinachia) swimming through a Cuvie kelp (Laminaria hyperborea) forest, Farne Islands, Northumberland, UK, North Sea
01672948
Warwick Sloss / European kingfisher (Alcedo atthis), adult male, perching on stick with three-spined stickleback (Gasterosteus aculeatus) fish, Somerset, UK, May.
01672947
Warwick Sloss / European kingfisher (Alcedo atthis), adult male, perching on stick with three-spined stickleback (Gasterosteus aculeatus) fish, Somerset, UK, May.
01650812
Chris Shields / Illustration of Fifteen-spined stickleback (Spinachia spinachia)
01657303
Georgette Douwma / Seamoth or Pegasus fish (Eurypegasus draconis). Lembeh Strait, North Sulawesi, Indonesia. Miillions of these unique fish are captured each year for traditional medicine in China and Hong Kong, earnign...
01657552
Philippe Clement / Female Common kingfisher (Alcedo atthis) diving and catching a Nine-spined stickleback (Pungitius pungitius) fish, stuns and eats it, Belgium, June.
01653041
Oscar Dewhurst / Little grebe (Tachybaptus ruficollis) with stickleback (Gasterosteus). London, England, UK. March.
