Fred Bavendam / Tasmanian Blenny (Parablennius tasmanianus), Edithburg, Australia

Juergen Freund / Blue striped blenny (Plagiotremus rhinorhynchus) hiding on coral reef in worm hole, Indo-pacific

Juergen Freund / Blue striped blenny (Plagiotremus rhinorhynchus) hiding on coral reef in worm hole, Indo-pacific

Juergen Freund / Blue striped blenny (Plagiotremus rhinorhynchus) hiding on coral reef in worm hole, Indo-pacific

Juergen Freund / Blue striped blenny (Plagiotremus rhinorhynchus) hiding on coral reef in worm hole, Indo-pacific

Fred Bavendam / Blue-striped Blenny (Plagiotremus rhinorhynchos) peering out of abandoned worm hole in coral, Manado, Sulawesi, Indonesia

Fred Bavendam / Decorated Warbonnet (Chirolophis decoratus), British Columbia, Canada

Sue Daly / Black-faced blenny {Tripterygion delaisi} female on seabed, Channel Islands, UK

Sue Daly / Black-faced blenny {Tripterygion delaisi} male, Channel Islands, UK

Sue Daly / Black-faced blenny {Tripterygion delaisi} female on seabed, Channel Islands, UK

GEORGETTE DOUWMA / Flase catfish (Pholidichthys leucotaenia) school of juveniles, Papua New Guinea.

Albert Lleal / Fringe Blenny (Blennius pilicornis) near Girona, Spain

Graham Eaton / Tompot Blenny (Parablennius / Blennius gattorugine) in a pipe, Lleyn, Wales, UK May

Graham Eaton / Tompot Blenny (Parablennius / Blennius gattorugine) in a pipe, Lleyn, Wales, UK, May

Jane Burton / Common blenny / Shanny {Blennius pholis} out of water in rock pool beside Beadlet anemones, Europe

Ross and Diane Armstrong / Blue-eyed Triplefin (Notoclinops segmentatus) on coral, Poor Knights Islands, New Zealand

GEORGETTE DOUWMA / Convict blenny / false catfish (Pholidichthys leucotaenia) school of juveniles, Papua New Guinea

GEORGETTE DOUWMA / Convict blenny / false catfish (Pholidichthys leucotaenia) school of juveniles, Papua New Guinea

GEORGETTE DOUWMA / Convict blenny / false catfish (Pholidichthys leucotaenia) school of juveniles, Papua New Guinea

GEORGETTE DOUWMA / Convict blenny / false catfish (Pholidichthys leucotaenia) school of juveniles, Papua New Guinea

GEORGETTE DOUWMA / Convict blenny / false catfish (Pholidichthys leucotaenia) juveniles emerging from burrow, Papua New Guinea

GEORGETTE DOUWMA / Convict blenny / false catfish (Pholidichthys leucotaenia) adult excavating its burrow, surrounded by school of juveniles, Papua New Guinea

GEORGETTE DOUWMA / Convict blenny / False catfish (Pholidichthys leucotaenia). School of juveniles. Lembeh Strait, North Sulawesi, Indonesia

Sue Daly / Black-face Blenny (Tripterygion delaisi / atlanticus), Sark, Channel Islands, UK

Sue Daly / Tompot Blenny (Parablennius / Blennius gattorugine) Jersey, Channel Islands, UK

Sue Daly / Tompot Blenny (Parablennius / Blennius gattorugine) Jersey, Channel Islands, UK

Norbert Wu / Blackflap Blenny (Cirripectes auritus) peering out from hole, Raja Ampat Islands, Indonesia

Graham Eaton / Tompot Blenny (Blennius / Parablennius gattorugine) Wales, UK 2007

Graham Eaton / Tompot Blenny (Blennius / Parablennius gattorugine) Wales, UK 2007

Graham Eaton / Tompot Blenny (Blennius / Parablennius gattorugine) Wales, UK 2007

Alan James / Tompot blenny {Blennius gallorugine} UK

Juergen Freund / Blenny {Blenniidae} Mediterranean

Juergen Freund / Diamond blenny {Malacoctenus boehlkei} amongst tentacles of Sea anemone, Caribbean

Brent Hedges / Bath's combtooth blenny {Ecsenius bathi} Milne Bay, Papua New Guinea

Juergen Freund / Blenny {Plagiotremus sp} hiding in coral hole, Gorgona Is, Pacific

Juan Manuel Borrero / Freshwater blenny {Salaria / Blennius fluviatilis} Delta del Ebro NP, Catalonia, Spain,

Juergen Freund / Tompot blenny {Blennius gattorugine} Mediterranean

Juergen Freund / Diamond blenny {Malacoctenus boehlkei} amongst tentacles of Sea anemone, Caribbean

Juergen Freund / Diamond blenny {Malacoctenus boehlkei} amongst tentacles of Sea anemone, Caribbean

Constantinos Petrinos / Jewelled blenny {Salarias fasciatus} Sulawesi, Indonesia

Nature Production / Midas Blenny {Ecsenius midas} face, close-up, Maldives

Nature Production / Banded Blenny Sculpin {Pseudoblennius zonostigma} Sado, Niigata, Japan

Juergen Freund / Blenny living in sponge for protection (Blenniidae) Caribbean Sea

Brent Hedges / Blue-lined Fangblenny / Sabre toothed blenny (Plagiotremus rhinorhynchos) New South Wales, Australia

GEORGETTE DOUWMA / False cleaner blenny {Aspidontus taeniatus}, Bunaken, Sulawesi, Indonesia

GEORGETTE DOUWMA / False cleaner blenny {Aspidontus taeniatus}, Bunaken, Sulawesi, Indonesia

GEORGETTE DOUWMA / False cleaner blenny {Aspidontus taeniatus}, Bunaken, Sulawesi, Indonesia

GEORGETTE DOUWMA / False cleaner blenny {Aspidontus taeniatus}, Bunaken, Sulawesi, Indonesia

Simon Colmer / Green shore crab (Carcinus maenas) in rock pool with Beadlet anemone (Actinia equina), Common limpet (Patella vulgata), American slipper limpet (Crepidula fornicata), flat top shell (Gibbula umbilical...

Simon Colmer / Common Blenny / Shanny (Lipophrys / Blennius pholis) Sussex, UK

Jose B. Ruiz / Snake blenny (Ophidion barbatum) Mediterranean, Spain.

GEORGETTE DOUWMA / Hairtail blenny {Xiphasia setifer}, Sulawesi, Indonesia.

Jose B. Ruiz / Black-faced blenny {Tripterygion delaisi} Mediterranean.

Adrian Davies / Shanny {Blennius pholis} with sea anemones and starfish. England coastal waters

Juan Manuel Borrero / Freshwater blenny {Salaria fluviatilis} Spain

Michael Hutchinson / Shanny / Smooth blenny {Blennius pholis} Cornwall, UK.

Jose B. Ruiz / Peacock blenny male in breeding season {Blennius / Lipophrys pavo} Mediterranean

Jose B. Ruiz / Rock pool blenny in dark breeding colours {Para- blennius sanguinolentus} Mediterranean

Jose B. Ruiz / Tompot blenny camouflaged on seabed {Blennius gattorugine} Mediterranean

Jose B. Ruiz / Peacock blenny {Blennius / Lipophrys pavo} Mediterranean

Jose B. Ruiz / Peacock blenny {Blennius / Lipophrys pavo} Mediterranean

Jose B. Ruiz / Rock pool blenny yellow colour phase {Parablennius sanguinolentus} Mediterranean

Jose B. Ruiz / Tompot blenny camouflaged on seabed {Blennius gattorugine} Mediterranean

Jose B. Ruiz / Peacock blenny showing colour change {Blennius / Lipophrys pavo} Mediterranean

Jose B. Ruiz / Rock pool blenny in dark breeding colour {Parablennius sanguinolentus} Mediterranean

Jose B. Ruiz / Rock pool blenny yellow colour phase {Parablennius sanguinolentus} Mediterranean

Jose B. Ruiz / Peacock blenny {Blennius / Lipophrys pavo} Mediterranean

Jose B. Ruiz / Peacock blenny {Blennius / Lipophrys pavo} Mediterranean

Chris Newbert / Blue-striped Blenny (Plagiotremus rhinorhynchos) in its burrow, Solomon Islands

Birgitte Wilms / Striped Blenny (Meiacanthus grammistes) in its burrow surrounded by Christmas Tree Worms (Spirobranchus giganteus) 40 feet deep, Galapagos Islands, Ecuador

Birgitte Wilms / Large-banded Blenny (Ophioblennius steindachneri) portrait, 40 feet deep, Galapagos Islands, Ecuador

Chris Newbert / Triplefin (Helcogramma sp) on Sea Fan (Muricella sp) 80 feet deep, Solomon Islands

Birgitte Wilms / Blenny (Ecsenius sp) peeking out of its burrow, 20 feet deep, Solomon Islands

Chris Newbert / Freckle Face Blenny (Istiblennius chrysospilos) peeking out of burrow, 10 feet deep, Solomon Islands

Chris Newbert / Blenny (Blenniidae), portrait, 30 feet deep, Galapagos Islands, Ecuador

Chris Newbert / Red-finned Triplefin (Helcogramma gymnauchen) portrait, 30 feet deep, Solomon Islands

Birgitte Wilms / Bravo Blenny (Labrisomus dendriticus) portrait, 50 feet deep, Galapagos Islands, Ecuador

Fred Bavendam / Tasmanian Blenny (Parablennius tasmanianus) peering out from its burrow, Edithburgh, Australia

Norbert Wu / Antarctic Cod (Dissostichus mawsoni) studied by researchers at the U.S. Base at McMurdo Station, Antarctica

Norbert Wu / Spotjaw Blenny (Acanthemblemaria rivasi) in Brain Coral, large red eyes scare off predators, Caribbean

Fred Bavendam / Blue-striped Blenny (Plagiotremus rhinorhynchos), Queensland, Australia

Dan Burton / Tompot blenny {Blennius gattorugine} UK

Sue Daly / Black faced blenny male {Tripterygion delaisi} Jersey, Channel Isles, UK Bouley bay

Jose B. Ruiz / Tompot blenny {Blennius gattorugine} Mediterranean

Jose B. Ruiz / Black faced blenny female {Tripterygion delaisi} Mediterranean

Jose B. Ruiz / Black faced blenny female {Tripterygion delaisi} Mediterranean

Jose B. Ruiz / Blenny {Blennius rouxi} Mediterranean Spain. Common fish in rocky areas and seagrass prairies.

Juergen Freund / Blenny (Blenniidae) Red Sea, Egypt, Europe

GEORGETTE DOUWMA / Red Sea blenny peeps out of coral, Red Sea

Sue Daly / Tompot blenny {Blennius gattorugine} Jersey, Channel Isles, UK

Juergen Freund / Blenny (Blenniidae). Mediterranean, Europe

Juergen Freund / Blenny (Blenniidae). Mediterranean, Europe

Juergen Freund / Blenny, Mediterranean Sea

Dan Burton / Shanny (Blennius pholis). England, UK, Europe

Roberto Rinaldi / A triplefin blenny (Tripterygiidae) swimming across coral, Belize

Roberto Rinaldi / Triplefin blenny (Blenniidae sp.) fish hiding among red coral (Anthozoa sp.), Belize