Marine

These variations in solar energy mean that the ocean surface can vary in temperature from a warm 30°C (86°F) in the tropics to a very cold -2°C (28°F) near the poles.

the globally averaged annual precipitation is 990 millimetres (39 in), but over land it is only 715 millimetres (28.1 in)

The leatherback sea turtle (Dermochelys coriacea), sometimes called the lute turtle, leathery turtle or simply the luth, is a large species of sea turtle.

Nudibranchs () are a group of soft-bodied marine gastropod molluscs, belonging to the order Nudibranchia, that shed their shells after their larval stage.

The common seadragon or weedy seadragon (Phyllopteryx taeniolatus) is a marine fish of the order Syngnathiformes, which also includes the similar pipefishes, seahorses, and trumpetfishes among other species.

The blue mussel (Mytilus edulis), also known as the common mussel, is a medium-sized edible marine bivalve mollusc in the family Mytilidae, the only extant family in the order Mytilida, known as "true mussels".

Aplysia () is a genus of medium-sized to extremely large sea slugs, specifically sea hares, which are a kind of marine gastropod mollusk.

Sea anemones ( ə-NEM-ə-nee) are a group of predatory marine invertebrate animals constituting the order Actiniaria.

Scallop () is a common name that encompasses various species of marine bivalve molluscs in the taxonomic family Pectinidae, the scallops.

Polychaeta () is a paraphyletic class of generally marine annelid worms, commonly called bristle worms or polychaetes ().

Scaphopoda (; from Ancient Greek σκᾰ́φης (skáphēs) 'boat' and πούς (poús) 'foot') is a class of shelled marine molluscs (invertebrates within the phylum Mollusca), whose members are known as scaphopods () and commonly called tusk shells or tooth shells.

Monoplacophora , meaning "bearing one plate", is a paraphyletic class of molluscs with a cap-like shell, inhabiting deep sea environments.

Pinna nobilis, known by the common names noble pen shell and fan mussel, is a large species of Mediterranean clam, a marine bivalve mollusc in the family Pinnidae, the pen shells.

Scutus antipodes, also known as the elephant snail, elephant slug, shield slug, or ducksbill limpet, is a large species of marine gastropod mollusc in the family Fissurellidae, the keyhole limpets and slit limpets.

The flamingo tongue snail (Cyphoma gibbosum) is a species of small but brightly colored sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.

Diodora aspera, also known as the rough keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.

Epitonium scalare, common name the precious wentletrap, is a predatory or ectoparasitic species of marine gastropod with an operculum, in the family Epitoniidae, the wentletraps.

Scyllarides latus, the Mediterranean slipper lobster, is a species of slipper lobster found in the Mediterranean Sea and in the eastern Atlantic Ocean.

The northern krill (Meganyctiphanes norvegica) is a species of krill that lives in the North Atlantic Ocean including the Norwegian Sea, North Sea, and parts of the Mediterranean.

The Sipuncula or Sipunculida (common names sipunculid worms or peanut worms) is a class containing about 162 species of marine annelid worms, that have secondarily lost their segmentation.

Loricifera (from Latin, lorica, corselet (armour) + Latin fero, to carry or bear), also known as corset animals, is a phylum of very small to microscopic marine scalidophoran sediment-dwelling animals with 44 described species and approximately 100 more that have been collected and not yet described.

Pleurobrachia is a common genus of Ctenophora (an exclusively marine phylum).

The yellow-bellied sea snake (Hydrophis platurus) is an extremely venomous species of snake from the subfamily Hydrophiinae (the sea snakes) found in tropical oceanic waters around the world except for the Atlantic Ocean.

Guillardia is a genus of marine biflagellate cryptomonad algae with a plastid obtained through secondary endosymbiosis of a red alga.

Pseudo-nitzschia is a marine planktonic diatom genus that accounts for 4.4% of pennate diatoms found worldwide.

Thalassiosira pseudonana is a species of marine centric Bulka diatoms.

The Thecosomata (collective/plural: thecosomes, from Ancient Greek θήκη (thḗkē), meaning "case", and σῶμα (sôma), meaning "body"), or sea butterflies, are a taxonomic suborder of small, pelagic, free-swimming sea snails known as holoplanktonic opisthobranch gastropod mollusks, in the order Pteropoda (also included within the informal group Opisthobranchia).

The Spanish dancer, scientific name Hexabranchus sanguineus (literally meaning "blood-colored six-gills"), is a dorid nudibranch, a very large and colorful sea slug, a marine gastropod mollusk in the family Hexabranchidae.

Pleurotomariidae, common name the "slit snails", is a family of large marine gastropods in the superfamily Pleurotomarioidea of the subclass Vetigastropoda.

The Atlantic mackerel (Scomber scombrus), also known as Boston mackerel, Norwegian mackerel, Scottish mackerel or just mackerel, is a species of mackerel found in the temperate waters of the Mediterranean Sea, the Black Sea, and the northern Atlantic Ocean, where it is extremely common and occurs in huge shoals in the epipelagic zone down to about 200 m (660 ft).

Fire corals (Millepora) are a genus of colonial marine organisms that exhibit physical characteristics similar to that of stony coral.

Doris pseudoargus is a species of sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Dorididae.

Ascidiacea, commonly known as the ascidians or sea squirts, is a paraphyletic class (biology) in the subphylum Tunicata of sac-like marine (ocean) invertebrate filter feeders.

The Echiura, or spoon worms, are a small group of marine animals.

Lybia is a genus comprising eight species of small marine crabs from the family Xanthidae.

The windowpane oyster, window shell, or jingle shell (Placuna placenta) is a bivalve marine mollusk in the family of Placunidae.

Conus textile, the textile cone or cloth of gold cone, is a venomous species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails, cone shells or cones.

Busycotypus canaliculatus, commonly known as the channeled whelk, is a very large predatory sea snail, a marine prosobranch gastropod, a busycon whelk, belonging to the family Busyconidae.

The knobbed whelk (Busycon carica) is a species of very large predatory sea snail, or in the US, a whelk, a marine gastropod mollusk in the family Busyconidae, the busycon whelks.

Lottia gigantea, common name the owl limpet, is a species of sea snail, a true limpet, a marine gastropod mollusc in the family Lottiidae.

Elysia chlorotica (common name the eastern emerald elysia) is a small-to-medium-sized species of green sea slug, a marine opisthobranch gastropod mollusc.

Thecacera pacifica is a species of sea slug, a nudibranch, a marine gastropod mollusk in the family Polyceridae.

Kemp's ridley sea turtle (Lepidochelys kempii) is the rarest, smallest, and most endangered species of sea turtle.

Sabellidae, or feather duster worms, are a family of marine polychaete tube worms characterized by protruding feathery branchiae.

The humpback anglerfish (Melanocetus johnsonii) is a species of black seadevil in the family of Melanocetidae, which means "black sea monster".

A barracuda is a large, predatory, ray-finned, saltwater fish of the genus Sphyraena, the only genus in the family Sphyraenidae, which was named by Constantine Samuel Rafinesque in 1815.

Ostreococcus tauri is a unicellular species of marine green alga about 0.8 micrometres (μm) in diameter, the smallest free-living (non-symbiotic) eukaryote yet described.

Priapulus caudatus, known as the cactus worm, is a marine invertebrate belonging to the phylum Priapulida.

Symsagittifera roscoffensis, also called the Roscoff worm, the mint-sauce worm, or the shilly-shally worm, is a marine acoel worm.

Synanceia verrucosa, the reef stonefish, is a species of venomous, marine ray-finned fish, belonging to the subfamily Synanceiinae, which is classified as being within the family Scorpaenidae, the scorpionfishes and their relatives.

Ligia is a genus of isopods, commonly known as rock lice or sea slaters, in the family Ligiidae.

Trichodesmium erythraeum is a marine cyanobacteria species characterized by its prolific diazotrophic capabilities.

The California sea hare (Aplysia californica) is a species of sea slug in the sea hare family, Aplysiidae.

Cancer pagurus, commonly known as the edible crab or brown crab, is a species of crab found in the North Sea, North Atlantic Ocean, and perhaps the Mediterranean Sea.

Ulva intestinalis is a green alga in the family Ulvaceae, known by the common names sea lettuce, green bait weed, gutweed, and grass kelp.

The common remora (Remora remora) is a pelagic marine fish belonging to the family Echeneidae.

Anoplogaster cornuta, the common fangtooth, is a species of deep sea fish found in temperate and tropical oceans worldwide.

Squilla mantis, also called the spot-tail mantis shrimp, is a species of mantis shrimp found in shallow coastal areas of the Mediterranean Sea and the Eastern Atlantic Ocean.

Pagurus bernhardus is the common marine hermit crab of Europe's Atlantic coasts.

Palaemon serratus, also called the common prawn, is a species of shrimp found in the Atlantic Ocean from Denmark to Mauritania, and in the Mediterranean Sea and Black Sea.

The dog whelk, dogwhelk, or Atlantic dogwinkle (Nucella lapillus) is a species of predatory sea snail, a carnivorous marine gastropod in the family Muricidae, the rock snails.

The European plaice (Pleuronectes platessa), commonly referred to as simply plaice, or schol in Dutch, is a species of marine flatfish in the genus Pleuronectes of the family Pleuronectidae.

Pycnopodia helianthoides, commonly known as the sunflower sea star, is a large sea star found in the northeastern Pacific Ocean.

Palinurus elephas is a commonly caught species of spiny lobster from the East Atlantic Ocean and the Mediterranean Sea.

Munida rugosa, commonly known as the rugose squat lobster or plated lobster, is a species of decapod crustacean found in the north east Atlantic Ocean and the Mediterranean Sea.

Elysia crispata, common name the lettuce sea slug or lettuce slug, is a large and colorful species of sea slug, a marine gastropod mollusk.

Penaeus monodon, commonly known as the giant tiger prawn, Asian tiger shrimp, black tiger shrimp, and other names, is a marine crustacean that is widely reared for food.

The nosestripe clownfish or nosestripe anemonefish, skunk clownfish, Amphiprion akallopisos, is an anemonefish (also called clownfish) that lives in association with sea anemones.

Clark's anemonefish (Amphiprion clarkii), also known as the yellowtail clownfish, is a marine fish belonging to the family Pomacentridae, the clownfishes and damselfishes.

The red saddleback anemonefish, Amphiprion ephippium, also known as the saddle anemonefish, is a marine fish belonging to the family Pomacentridae, the clownfishes and damselfishes.

Amphiprion nigripes (Maldive anemonefish or blackfinned anemonefish), is a marine fish belonging to the family Pomacentridae, which includes clownfishes and damselfishes.

The Red Sea Clownfish (Amphiprion bicinctus, meaning "both sawlike with two stripes"), commonly known as the Red Sea or two-banded anemonefish is a marine fish belonging to the family Pomacentridae, the clownfishes and damselfishes.

Allard's clownfish or Allard's anemonefish (Amphiprion allardi) is a marine fish belonging to the family Pomacentridae, the clownfishes and damselfishes, from the western Indian Ocean off the coast of East Africa and the Mascarenes.

John Dory, St Pierre, or Peter's fish are names which refers to fish of the genus Zeus, especially Zeus faber, which is a demersal coastal marine fish.

The white-beaked dolphin (Lagenorhynchus albirostris) is a marine mammal belonging to the family Delphinidae (oceanic dolphins) in the suborder Odontoceti (toothed whales).

The harbor (or harbour) seal (Phoca vitulina), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere.

Mullus barbatus (red mullet) is a species of goatfish found in the Mediterranean Sea, Sea of Marmara, the Black Sea and the eastern North Atlantic Ocean, where its range extends from Scandinavia to Senegal.

The blow lugworm (Arenicola marina), also known as sandworm, is a large species of marine worm.

Chondrocladia lyra, also known as the lyre sponge or harp sponge, is a species of carnivorous deep-sea sponge first discovered off the Californian coast living at depths of 10,800-11,500 feet (3,300-3,500 m) by Welton L.

The striped red mullet or surmullet (Mullus surmuletus) is a species of goatfish found in the Mediterranean Sea, eastern North Atlantic Ocean, and the Black Sea.

The northern fur seal (Callorhinus ursinus) is an eared seal found along the north Pacific Ocean, the Bering Sea, and the Sea of Okhotsk.

Gymnocranius audleyi, the collared large-eye bream, collar bream, bastard bream, coral bream, iodine bream, pale-faced bream or sand snapper, is a species of marine ray-finned fish belonging to the family Lethrinidae, the emperors and emperor breams.

Paracanthostracion is a monospecific genus of marine ray-finned fish belonging to the family Ostraciidae, the boxfishes.

Naso elegans, the elegant unicornfish, the blonde naso tang, Indian orange-spine unicorn, lipstick surgeonfish, lipstick tang, orangespine unicornfish or smoothheaded unicornfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs.

The viviparous eelpout (Zoarces viviparus), also known as the viviparous blenny and European eelpout, is a species of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts.

The common dentex (Dentex dentex) is a species of marine ray-finned fish belonging to the family Sparidae, which includes the seabreams and porgies.

The grey bamboo shark, Chiloscyllium griseum, is a species of carpet shark in the family Hemiscylliidae, found in the Indo-West Pacific Oceans from the Arabian Sea to Pakistan, India, Malaysia, Thailand, Indonesia, China, Japan, the Philippines, and Papua New Guinea, between latitudes 34° N and 10° S, and longitude 60° E and 150° E.

Conus magus, common name the magical cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

Scyllarus arctus is a species of slipper lobster which lives in the Mediterranean Sea and eastern Atlantic Ocean.

Anarhichas orientalis, the Bering wolffish, is a marine fish in the family Anarhichadidae, the "wolffish".

Photocorynus is a monospecific genus of marine ray-finned fish belonging to the family Linophrynidae, the leftvents.

The European anchovy is a coastal pelagic species; in summer, it usually lives in water less than 50 m deep (although, in the Mediterranean, it goes to depths of 200 m in winter), and it may go as deep as 400 m.

They are generally a pelagic species that are often found in waters 650-6,500 ft (200-1,980 metres) deep, with the short-beaked type preferring deeper waters than the long-beaked type Temperature also plays a large role in the congregation of dolphins.

It usually inhabits open ocean and deep-water areas, though it may frequent coastal areas near oceanic islands.

It is also not normally found on the Pacific coasts of the Americas due to its pelagic habits.

It is found in the bathypelagic zone, at depths around 1,000 m (3,300 ft).

Habitat Regions polar polar saltwater or marine saltwater or marine

Habitat Regions tropical tropical terrestrial terrestrial saltwater or marine saltwater or marine

Habitat Regions temperate temperate tropical tropical saltwater or marine saltwater or marine

Habitat Regions polar polar terrestrial terrestrial saltwater or marine saltwater or marine

Habitat Regions polar polar saltwater or marine saltwater or marine

Habitat Regions tropical tropical saltwater or marine saltwater or marine

Habitat Regions temperate temperate tropical tropical saltwater or marine saltwater or marine

Habitat Regions temperate temperate saltwater or marine saltwater or marine

Habitat Regions temperate temperate tropical tropical terrestrial terrestrial saltwater or marine saltwater or marine

Habitat Regions terrestrial terrestrial saltwater or marine saltwater or marine

Habitat Regions temperate temperate terrestrial terrestrial saltwater or marine saltwater or marine

Habitat Regions tropical tropical saltwater or marine saltwater or marine

Habitat Regions temperate temperate saltwater or marine saltwater or marine

Habitat Regions temperate temperate polar polar saltwater or marine saltwater or marine

Habitat Regions temperate temperate saltwater or marine saltwater or marine

Marine; demersal; oceanodromous

Marine; brackish; pelagic-neritic; oceanodromous

Marine; bathydemersal; non-migratory

Marine; bathydemersal; oceanodromous

Marine; demersal; oceanodromous

Marine; bathydemersal

Marine; reef-associated; non-migratory

Marine; reef-associated

Marine; reef-associated; non-migratory

Marine; reef-associated

Marine; reef-associated; non-migratory

Marine; reef-associated; non-migratory

Marine; reef-associated; non-migratory

Marine; demersal

Marine; brackish; demersal; oceanodromous

Marine; brackish; bathypelagic

Marine; brackish; reef-associated

Marine; bathydemersal

Marine; bathydemersal

Marine; bathypelagic

Marine; bathypelagic

Marine; bathypelagic

Marine; bathydemersal

Marine; bathypelagic

Marine; pelagic-neritic

Marine; demersal

Marine; demersal

Marine; demersal

Marine; demersal

Marine; bathydemersal

Marine; demersal

Marine; pelagic-neritic

Marine; demersal

Prefer deep offshore waters with depths of more than 1000 m

They are found as zooplankton throughout the global ocean.

Solenogastres can be found in a diverse range of habitats across the world, from the coast to the deep ocean.

Priapulida (priapulid worms, from Gr. πριάπος, priāpos 'Priapus' + Lat. -ul-, diminutive), sometimes referred to as penis worms, is a phylum of unsegmented marine worms.

Kinorhyncha (Ancient Greek: κινέω, romanized: kīnéō, lit. 'I move', ῥύγχος rhúnkhos "snout") is a phylum of small marine invertebrates that are widespread in mud or sand at all depths as part of the meiobenthos.

They live in U-shaped burrows on the sea-bed, from the shoreline down to a depth of 10,000 ft.

Most families of entoprocts are colonial, and all but 2 of the 150 species are marine.

It contains a small number of marine benthic species that look like worms.

Ophiuroids can be found today in all of the major marine provinces, from the poles to the tropics.

Cuttlefish, or cuttles, are marine molluscs of the family Sepiidae.

As adults they are typically cone-shaped, symmetrical, and attached to rocks or other fixed objects in the ocean.

exigua prefer to inhabit shallow seas, where there is an abundance of potential hosts.

Ascarosepion pfefferi, also known as the flamboyant cuttlefish, is a species of cuttlefish occurring in tropical Indo-Pacific waters off northern Australia, southern New Guinea, as well as numerous islands of the Philippines, Indonesia, and Malaysia.

Vast areas of the ocean floor are covered with Globigerina ooze, dominated by the foraminiferous shells of Globigerina and other Globigerinina.

Turritopsis dohrnii, commonly known as the immortal jellyfish, is a species of small, biologically immortal Medusozoa (jellyfish) found worldwide in temperate to tropic waters.

It is found in the sublittoral zone of the northern Atlantic Ocean.

Calanus finmarchicus is a species of copepod and a component of the zooplankton, which is found in enormous amounts in the northern Atlantic Ocean.

Euphausia pacifica, the North Pacific krill, is a euphausid that lives in the northern Pacific Ocean.

National Geographic explained that hammerheads can be found in warm, tropical waters, but during the summer, they begin a mass migration period in search of colder waters.

Cephalodiscus are endemic to the Antarctic and Southern Ocean, whose relative inaccessibility has historically limited human study of the genus.

Chrysaora fuscescens, the Pacific sea nettle or West Coast sea nettle, is a widespread jellyfish that lives in the northeastern Pacific Ocean, in temperate to cooler waters off of British Columbia and the West Coast of the United States, ranging south to Mexico.

Fucus serratus is a seaweed of the north Atlantic Ocean, known as toothed wrack, serrated wrack, or saw wrack.

Its only species is Noctiluca scintillans, a marine species that can exist in a green or red form, depending on the pigmentation in its vacuoles.

Prochlorococcus is a genus of very small (0.6 μm) marine cyanobacteria with an unusual pigmentation (chlorophyll a2 and b2).