Alex Mustard Collection (page 4)

Aggregation of tiny isopods (Santia sp. ) living on the surface of a Blue sponge (Haliclona sp)
Aggregation of tiny isopods (Santia sp.) living on the surface of a Blue sponge (Haliclona sp.), there are two colour varieties here, possibly different species

Photo showing detail of the underside and mount of a honeycomb sea star (Pentaceraster alveolatus) with two tiny shrimps (Periclimenes soror). Bitung, North Sulawesi, Indonesia

Aggregation of Golden jellyfish (Mastigias sp.) in a marine lake in Palau, the golden colour of this species comes from symbiotic algae in its tissues

Redtail butterflyfish (Chaetodon collare) pair in front of a smooth Sea fan (Annella mollis). Butterflyfish regularly form stable pairs. Similan Islands, Thailand. Andaman Sea, Indian Ocean

Southern stingrays (Hypanus americanus) swimming over a sand bar in the early morning. Grand Cayman, Cayman Islands. British West Indies. Caribbean Sea

RF - Silky shark (Carcharhinus falciformis) swimming beneath the surface of the ocean, with evening sun burst. Gardens of the Queen National Park, Cuba

RF - Veined octopus (Amphioctopus marginatus) sheltering in an old clam shell on the sandy seabed. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea

RF - Galapagos sea lions (Zalophus wollebaeki) five females hauled out on a beach. Espagnola Island, Galapagos Islands, Ecuador. Tropical East Pacific Ocean

Lionfish (Pterois volitans) portrait, invasive species in the Caribbean. East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea

Portrait of a male Squarespot anthias (Pseudanthias pleurotaenia). Sangeang Island; Sumbawa, Indonesia. Flores Sea

Studio image of multiple Nudibranch species. Gulen, Norway. North East Atlantic Ocean. Digital composite

Coral grouper (Cephalopholis miniata) guarding its territory on a colourful coral reef. East Of Eden, Similan Islands, Thailand. Andaman Sea, Indian Ocean

Spotlight goby (Gobiosoma louisae) looking out from inside a Yellow tube sponge (Aplysina fistularis), growing on a coral reef. Bloody Bay Wall, Little Cayman, Cayman Islands, British West Indies

Long exposure of a juvenile Harlequin sweetlips (Plectorhinchus chaetodonoides), which dance as a defence from predators. The dance may mimic the movements of poisonous flatworms or may simply

Close up of pattern of the cerata of a nudibranch (Janolus savinkini). Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean

Diver exploring a freshwater cenote (or limestone sinkhole) swimming through beams of light filtered through the forest above. Garden Of Eden Cenote, Puerto Aventuras, Quintana Roo, Yucatan, Mexico

Ribbon sweetlips (Plectorhinchus polytaenia) USAT Liberty Wreck, Tulamben, Bali, Indonesia. Java Sea

School of Blacksmith fish (Chromis punctipinnis) swim through a giant kelp (Macrocystis pyrifera) forest. Santa Barbara Island, Channel Islands. Los Angeles, California, United States of America

Four California spiny lobsters (Panulirus interruptus) shelter beneath a boulder in a kelp forest. Santa Barbara Island, Channel Islands. Los Angeles, California, United States of America

Hairy frogfish (Antennarius striatus) on a sandy seabed. Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean

RF - Bluestreak cleaner wrasse (Labroides dimidiatus) tending to Ribboned sweetlips (Plectorhinchus polytaenia). Yillet Kecil, Yillet Islands, Misool, Raja Ampat, West Papua, Indonesia

RF - High magnification photo of Secretary blenny (Acanthemblemaria maria) in boulder brain coral (Colpophyllia natans). East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea

Imitator damselfish (Pomacentrus imitator) male, abstract in in front of a Black coral tree (Antipathes sp.) on a coral reef. Ra Province, Viti Levu, Fiji, Polynesia

Bumphead parrotfish (Bolbometopon muricatum) gather at dawn on a shallow coral reef. Sipadan Island, Sabah, Borneo, Malaysia. Celebes Sea. Vulnerable species

Nassau grouper (Epinephelus striatus) yawning on a coral reef drop off. San Salvador island, Bahamas. Bahamas Sea, Tropical West Atlantic Ocean

Bohar snappers (Lutjanus bohar) breaking up into smaller groups to spawn. The fish swim short arches above the main group as they release clouds of gametes. Shark City, Ulong, Rock Islands, Palau

Portrait of a male River blenny (Salaria fluviatilis) River Flumendosa, Gennargentu National Park, Sardinia, Italy

A stand of Pillar coral (Dendrogyra cylindrus) growing on a coral reef, East End, Grand Cayman, Cayman Islands

Grey seal (Halichoerus grypus) young seal silhouetted against the sun as it dives after breathing, Lundy Island, Devon, UK, Bristol Channel, August

Grey seal (Halichoerus grypus) split level view of young investigating camera lens, Lundy Island, Devon, UK, Bristol Channel, August

Harbour seal (Phoca vitulina) in the kelp forest (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. Los Angeles, California, United States of America. North East Pacific Ocean

Rich coral growth, with a pair of Exquiste butterflyfish (Chaetodon austriacus), flourishes beneath the barren desert cliffs in the Red Sea. Taken at sunset. Ras Katy, Sinai, Egypt

Pink skeleton shrimp (Caprella sp. ) portrait in red algae. Thistilfjord, Thorshofn
Pink skeleton shrimp (Caprella sp.) portrait in red algae. Thistilfjord, Thorshofn, north east Iceland. North Atlantic Ocean

Great white sharks (Carcharodon carcharias) males beneath the surface. Guadalupe Island, Baja California, Mexico. East Pacific Ocean

California sea lion (Zalophus californianus) bursts through a school of Pacific chub mackerel (Scomber japonicus) while hunting beneath Eureka oil rig, Los Angeles, California, USA, Pacific Ocean

Crinoid (Oxycomanthus bennetti). Romeo Reef, Yillet, Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea

Caribbean reef shark (Carcharhinus perezi) swimming over Common sea fans (Gorgonia ventalina) on a coral reef. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea

Abstract view of Seafan (Melithaea sp. ). Ra Province, Viti Levu, Fiji. Nananu Passage
Abstract view of Seafan (Melithaea sp.). Ra Province, Viti Levu, Fiji. Nananu Passage, Vatu-i-Ra Passage, Bligh Waters, Tropical South Pacific Ocean

Pattern detail of a Majestic angelfish (Pomacanthus navarchus). Fiabacet Islands, Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea

Whale shark (Rhincodon typus) mouth open feeding at the surface, Isla Mujeres, Yucatan Peninsular, Mexico. Caribbean Sea

Wave breaking over the rubble zone close to the reef crest of a coral reef. Baa Atoll, Maldives. Indian Ocean

Great hammerhead shark (Sphyrna mokarran) portrait, South Bimini, Bahamas. The Bahamas National Shark Sanctuary. Gulf Stream, West Atlantic Ocean

Red-spotted guard crab (Trapezia tigrina) female on a (Pocillopora sp. ) coral. Seraya
Red-spotted guard crab (Trapezia tigrina) female on a (Pocillopora sp.) coral. Seraya, Tulamben, Bali, Indonesia. Java Sea

Portrait of a male Stocky anthias (Pseudanthias hypselosoma). Seraya, Tulamben, Bali, Indonesia. Java Sea

School of Bohar snapper (Lutjanus bohar) swimming in formation along a coral reef. These fish are usually solitary and aggregate each summer in the Red Sea to spawn

Diver swimming with an aggregation of Cod (Gadus morhua) over a kelp forest. These cod were gathered in early spring off the north coast of Iceland to spawn. Thorshofn, Iceland. North Atlantic Ocean

Harlequin swimming crab (Lissocarcinus laevis) sheltering beneath the tentacles of a tube anemone (Cerianthus sp.). Dauin, Dumaguete, Negros, Philippines. Bohol Sea, Tropical West Pacific Ocean

Soft coral crab (Hoplophrys oatesil) climbing out onto a branch of yellow and red soft coral (Dendronephthya sp.) at night. Anilao, Batangas, Luzon, Philippines

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