Sue Daly,Sue Daly / Reef wall with sponge and bryozoan growth, Poor Knights Islands, New Zealand, January

Sue Daly / Red sea star (Echinaster sepositus) and bryozoans fauna. Channel Islands, UK July. Highly commended, 'Habitat' category, British Wildlife Photography Awards (BWPA) competition 2012.

Wild Wonders of Europe / Lundgren / Blue rayed limpet (Patina / Ansates pellucida) on seaweed with Sea-mat / Lacy crust bryozoan (Membranipora membranacea) on shell, Saltstraumen, Bod, Norway, October 2008

Wild Wonders of Europe / Lundgren / Blue rayed limpet (Patina / Ansates pellucida) with Sea-mat / Lacy crust bryozoan (Membranipora membranacea) growing on shell, Saltstraumen, Bod, Norway, October 2008

Wild Wonders of Europe / Lundgren / Three Nudibranchs (Polycera quadrilineata) on Kelp encrusted with Sea-mat / Lacy crust bryozoan (Membranipora membranacea) Saltstraumen, Bod, Norway, October 2008

Albert Lleal / SEM close-up view of foraminiferans, molluscs and other bryozoans found on beach in Formentera, Balearic Islands, Spain

Gary Bell/ Oceanwide / Pylon with sponges and bryozoans, Yorke Peninsula, South Australia, Australia

Gary Bell/ Oceanwide / Pylon with sponges and bryozoans, Yorke Peninsula, South Australia, Australia

Sue Daly / Diver swimming to sponges and bryozoan growth on reef wall, Poor Knights Islands, New Zealand, January 2013, Model released.

Sue Daly / Wall with sponge and bryozoan growth and New Zealand Demoiselles (Chromis dispilus) Poor Knights Islands, New Zealand, January

Sue Daly / Reef with sponge and bryozoan growth and diver, Poor Knights Islands, New Zealand, January 2013. Model released.

Sue Daly / Bryozoan Ross Coral (Pentapora foliacea). Pavlaison, Sark, British Channel Islands, July.

Nick Upton / Frosty sea mat (Electra pilosa) bryozoan colony growing on frond of Dulse (Palmaria palmata) red alga exposed on a low spring tide. Rhossili, The Gower Peninsula, UK, July.

Nick Upton / Close up of Frosty sea mat (Electra pilosa) bryozoan colony growing on frond of Dulse (Palmaria palmata) red alga exposed on a low spring tide. Rhossili, The Gower Peninsula, UK, July.

Nick Upton / Spiral egg ribbon of a sea slug (probably Haminoea navicula) attached to a boulder in a rockpool alongside Star ascidians (Botryllus schlosseri), Bryozoans, Barnacles and Red algae low on the shore, H...

Nick Upton / Four Sea squirts (Ascidiella scabra) attached to boulder in a rockpool alongside serpulid worm tubes, Bryozoans, Barnacles and Red algae low on the shore, Helford River, Cornwall, UK, August.

Nick Upton / Four Sea squirts (Ascidiella scabra) attached to boulder in a rockpool alongside serpulid worm tubes, Star ascidians, Bryozoans, Barnacles and Red algae low on the shore, Helford River, Cornwall, UK,...

Nick Upton / Star ascidian (Botryllus schlosseri), a colonial sea squirt growing on rocks exposed on a low spring tide among barnacles, bryozoans and red algae, North Berwick, East Lothian, UK, July.

Nick Upton / Sea mat (Alcyonidium diaphanum), a colonial bryozoan, growing on rocks exposed on a low spring tide, North Berwick, East Lothian, UK, July.

Nick Upton / Sea mat (Alcyonidium diaphanum), a colonial bryozoan, growing on rocks exposed on a low spring tide alongside red algae, North Berwick, East Lothian, UK, July.

Sue Daly / Finger Bryozoan / Sea Mat (Alcyonidium diaphanum). Channel Islands, UK, June.

Sue Daly / Potato Crisp Bryozoan (Pentapora foliacea / fascialis) and Staghorn Sponge (Axinella dissimilis). Channel Islands, UK, July.

Sue Daly / Frosty Sea Mat Bryozoan (Electra pilosa). Channel Islands, UK, August.

Sue Daly / Potato Crisp Bryozoan / Ross Coral (Pentapora foliacea / fascialis). Channel Islands, UK, June.

Sue Daly / Potato Crisp Bryozoan (Pentapora foliacea / fascialis) Channel Islands, UK, July.

Robert Thompson / Bryozoan {Electra pilosa} Ballyhenry Point, Strangford Lough, County Down, Northern Ireland, September

Wild Wonders of Europe / Lundgren / Nudibranchs (Polycera quadrilineata) mating on Sea-mat / Lacy crust bryozoan (Membranipora membranacea) Moere coastline, Norway, February 2009

Wild Wonders of Europe / Lundgren / Common hermit crab (Pagurus barnharudus) on Kelp with Sea-mat / Lacy crust bryozoan (Membranipora membranacea) growing on it, Lofoten, Norway, November 2008

Wild Wonders of Europe / Lundgren / Nudibranch (Polycera quadrilineata) on Sea-mat / Lacy crust bryozoan (Membranipora membranacea)Lofoten, Norway, November 2008

Wild Wonders of Europe / Lundgren / Skeleton shrimp (Caprellidea sp) on a hydroid on Sea-mat / Lacy crust bryozoan (Membranipora membranacea), Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Blue rayed limpet (Patina / Ansates pellucida) on seaweed with Sea-mat / Lacy crust bryozoan (Membranipora membranacea) on shell, Saltstraumen, Bodø, Norway, October 2008

Wild Wonders of Europe / Lundgren / Skeleton shrimp (Caprellidea sp) on Sea-mat / Lacy crust bryozoan (Membranipora membranacea)Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Skeleton shrimp (Caprellidea sp) on a hydroid on Sea-mat / Lacy crust bryozoan (Membranipora membranacea) Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Banded chink shell (Lacuna vincta) on Sea-mat / Lacy crust bryozoan (Membranipora membranacea) Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Nudibranchs (Polycera quadrilineata) and Moss animals on Sea-mat / Lacy crust bryozoan (Membranipora membranacea), Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Nudibranch (Dendronotus frondosus) on Sea-mat / Lacy crust bryozoan (Membranipora membranacea)Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Blue rayed limpet (Patina / Ansates pellucida) with Sea-mat / Lacy crust bryozoan (Membranipora membranacea) growing on shell, Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Two skeleton shrimps (Caprellidea sp) on Sea-mat / Lacy crust bryozoan (Membranipora membranacea)Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Skeleton shrimp (Caprellidea sp) on a hydroid on Sea-mat / Lacy crust bryozoan (Membranipora membranacea) Saltstraumen, Bodö, Norway, October 2008 Wild Wonders kids book.

Sue Daly / Nudibranch {Crimora papillata} feeding on Bryozoan {Chartella papyracea} Channel Islands, UK

Georgette Douwma / Nudibranch {Nembrotha chamberlaini} feeding on bryozoa. Rinca, Indonesia

Nature Production / Freshwater Bryozoan {Pectinatella magnifica}

Sue Daly / Hornwrack (Flustra foliacea) Jersey, Channel Isles, UK

Sue Daly / Bryozoan (Bugula flabellata) l'Etac, Sark, Channel Isles, UK

Sue Daly / Ross coral (Pentapora foliacea / fascialis) Sark, Channel Isles, UK

Willem Kolvoort / Moss animals / Bryozoans {Plumatella fungosa} on sponge covered plant roots, Lake Naarden, Holland

Willem Kolvoort / Moss animals / Bryozoans (Cristatella mucedo) colonies up to 200-300 polypides living in a jellylike foot hang down here on the dead branches of tree, sand-winning pit, Holland

Willem Kolvoort / Moss animals / Bryozoans {Plumatella repens} photographed in aquarium, Sand-winning pit, Holland.

Willem Kolvoort / Moss animals / Bryozoans (Cristatella mucedo) colonies up to 200-300 polypides living in a jellylike foot hang down here on the dead branches of tree, sand-winning pit, Holland

Willem Kolvoort / Moss animals / Bryozoans {Cristatella mucedo} (above) and {Plumatella repens} Sand-winning Pit, Holland

Willem Kolvoort / Moss animals (Cristatella mucedo), Zebra mussel (Dreissena polymorpha) and Ramshorn snail (Planorbidae), all on submerged branch, peat bog lake, Holland

Willem Kolvoort / Moss animals / Bryozoans (Cristatella mucedo) colonies with 200-500 polypides hang and creep over the underwater leaves of Yellow Water-lily (Nuphar lutea), canal close to Zwolle, Holland

Willem Kolvoort / Moss animals / Bryozoans (Cristatella mucedo), these colonies creep to the top of aquatic plants to catch as much as plankton as possible, IJsselmeer (formerly the Zuiderzee), Holland

Willem Kolvoort / Moss animals / Bryozoans (Cristatella mucedo) colony of about 300 polypides creeps over little branch, sand winning pit, Holland. Besides this colony there are 2 little colonies of (Vorticella) as wel...

Willem Kolvoort / Moss animals / Bryozoans {Plumatella fungosa} on sponge covered plant roots, Lake Naarden, Holland

Willem Kolvoort / Moss animal / Bryozoan (Plumatella repens) consisting of short branch-like colonies, sand winning pit, Holland

Willem Kolvoort / Moss animal / Bryozoan colonies (Plumatella repens) living together on underwater tree branch, peat bog lake, Holland

Willem Kolvoort / Close up of the polypides of Moss animal / Bryozoan(Cristatella mucedo), sand winning pit, Holland. Each polypide consists of a stem with a horseshoe formed tentacle crown. They live in a jellylike f...

Willem Kolvoort / Moss animals / Bryozoans (Cristatella mucedo) colonies up to 200-300 polypides living in a jellylike foot hang down here on the dead branches of tree, sand-winning pit, Holland

Willem Kolvoort / Colony of Moss animals / Bryozoans (Cristatella mucedo) sitting on Canadian waterweed (Elodea canadensis), sand-winning pit, Holland

Willem Kolvoort / Moss animals / Bryozoans, white colony of (Cristatella mucedo) and large colony of (Plumatella repens) cover underwater branch, sand winning pit, Holland. There are also two Zebra mussels (Dreissena...

Willem Kolvoort / Moss animals / Bryozoans {Plumatella fungosa} on a sponge covered reedstem. Lake Naarden, Holland

Willem Kolvoort / Moss animals / Bryozoans (Cristatella mucedo) colonies up to 200-300 polypides living in a jellylike foot hang down here on the dead branches of tree, sand-winning pit, Holland

Willem Kolvoort / Moss animals / Bryozoans {Cristatella mucedo} under leaves of White water lily, Lake Naarden, Holland

Willem Kolvoort / Moss animals / Bryozoans (Cristatella mucedo) colonies up to 500 polypides living in a jellylike foot hang down here on the roots of a tree branch, sand-winning pit, Holland

Willem Kolvoort / Moss animals / Bryozoans (Cristatella mucedo) colonies consisting of 200- 500 polypides creep over stone which is covered with perifyton and oxygen bubbles, sand-winning pit, Holland

Jose B. Ruiz / Lace coral {Sertella septentrionalis}, Mediterranean.

Francis Abbott / False coral (Myriapora truncata) Menorca

Jose B. Ruiz / False coral {Myriapoda truncata}, colonial byrozoans, Mediterranean

Jeff Rotman / Bleeding teeth bryozoans / Coraline {Trematooecia aviculifera} encrusting a sponge. Caribbean

Gary Bell/ Oceanwide / Pylon with sponges and bryozoans, Yorke Peninsula, South Australia, Australia

Gary Bell/ Oceanwide / Pylon with sponges and bryozoans, Yorke Peninsula, South Australia, Australia

Nick Upton / Close up of Frosty sea mat (Electra pilosa) bryozoan colony growing on frond of Dulse (Palmaria palmata) red alga exposed on a low spring tide. Rhossili, The Gower Peninsula, UK, July.

Nick Upton / Frosty sea mat (Electra pilosa) bryozoan colonies growing on fronds of Dulse (Palmaria palmata) red alga exposed on a low spring tide. Rhossili, The Gower Peninsula, UK, July.

Juergen Freund / Bryozoan Sea mat {Reteporella couchii} Mediterranean

Sue Daly / Sea mat (bryozoan) {Membranipora membranacea} on kelp Sark Channel Is UK

Lewis Jefferies / Common hermit crab (Pagurus bernhardus) in Painted topshell, resting on Golden kelp (Laminaria ochroleuca) frond, encrusted with Lacy crust bryozoans (Membranipora membranacea), Lizard Peninsula, Corn...

Joel Sartore / Photo Ark / Two Sand disc bryozoans (Discoporella doma), one with a Calcareus tube worm (Hydroides crucigera) and Encrusting sand tube worm (Sabellaria sp.) sheltering inside, Gulf Specimen Marine Lab and Aquariu...

Joel Sartore / Photo Ark / Two Sand disc bryozoans (Discoporella doma), one with a Calcareus tube worm (Hydroides crucigera) and Encrusting sand tube worm (Sabellaria sp.) sheltering inside, Gulf Specimen Marine Lab and Aquariu...

Alex Hyde / Limestone microfossils in a 0.03mm-thick slice of fossil-rich limestone viewed at high magnification, image area is 3mm across in real life. Packed with foraminifera and bryozoans (both microscopic aq...

Tony Wu / Female Whitespotted pygmy filefish (Rudarius ercodes) tending to a clutch of eggs deposited on a cluster of bryozoans growing on the branches of a dead tree, Japan, Pacific Ocean.

Tony Wu / Female Whitespotted pygmy filefish (Rudarius ercodes) tending to a clutch of eggs deposited on a cluster of bryozoans growing on the branches of a dead tree, Japan, Pacific Ocean.

Franco Banfi / Violescent sea-whip or Red sea fan (Paramuricea clavata) with bryozoans (Sertella septentrionalis and Pentapora fascialis), Punta Campanella Marine Protected Area, Amalfi Coast, Italy, Tyrrhenian Sea,...

Alex Mustard / Nudibranch (Crimora papillata) crawls over bryozoans. Swanage, Dorset, England, United Kingdom. English Channel. North East Atlantic

Shane Gross / Bryozoans (Electra posidoniae and Patinella radiata) on Neptune seagrass (Posidonia oceanica) blade, close up. When including this level of organism seagrass beds rival rainforests in their biodiversi...

Shane Gross / Sea snail (Gastropoda) eggs and Bryozoans (Electra posidoniae) on Neptune seagrass (Posidonia oceanica) blade, close up. Spain. June.

David Hall / Northern basket stars (Gorgonocephalus eucnemis), branching and staghorn bryozoans, calcareous tubeworms, snails and barnacles, Baranof, Alaska, USA. August.

David Hall / Black Rockfish (Sebastes melanops) with encrusted rock wall; North Wall, Browning Pass, British Columbia, Canada. October. Encrusting organisms seen include calcareous tubeworms, crustose coralline al...

David Hall / Clown nudibranch (Triopha catalinae) grazing on Lace bryozoans (Membranipora serrilamella) surrounded by several caprellid amphipods, also known as 'skeleton shrimps' (Caprella sp.); Gambier B...

David Hall / Red Irish lord sculpin (Hemilepidotus hemilepidotus) camouflaged amongst Plumose anemones (Metridium senile), red soft coral (Gersemia rubiformis), various sponges, bryozoans and calcareous tubeworms....

David Hall / Proliferating anemones (Epiactis prolifera) and Kelp lace bryozoans (Membranipora serrilamella) on Bull kelp (Nereocystis luetkeana), Browning Pass, Queen Charlotte Strait, British Columbia, Canada. S...

David Hall / Rose anemone (Urticina piscivora), also seen: orange ascidians, bryozoans, coralline algae, plumose anemones and sun peeking through a kelp canopy on the surface. Wreck of the Themis, Croker Rock, Que...