Coccolithophorids and molluscs, including ammonites, rudists, freshwater snails and mussels, as well as organisms whose food chain included these shell builders, became extinct or suffered heavy losses.

Among other fauna, the lake supports relatively few invertebrates: There are fifteen species of molluscs, including one endemic, and also an endemic freshwater sponge.

In total there have been just over 20 species of seabird and 6 other animal species observed ( including the aforementioned molluscs ) on or near the islet.

The stomach is a muscular, hollow, dilated part of the digestion system which functions as an important organ of the digestive tract in some animals, including vertebrates, echinoderms, insects ( mid-gut ), and molluscs.

Phytoplankton is also used to feed many varieties of aquacultured molluscs, including pearl oysters and giant clams.

Shellfish is a culinary and fisheries term for exoskeleton-bearing aquatic invertebrates used as food, including various species of molluscs, crustaceans, and echinoderms.

In this way it secures its food, usually aquatic invertebrates including caddis worms and other aquatic insect larvae, beetles, Limnaea, Ancylus and other freshwater molluscs, and also small fish.

Here live many molluscs, including Bivalvia and Gastropeda, Worms and Crustacea, are welcome nourishment to bigger species.

Crabs are omnivores, feeding primarily on algae, and taking any other food, including molluscs, worms, other crustaceans, fungi, bacteria and detritus, depending on their availability and the crab species.

Hemocyanins carry oxygen in the hemolymph of most molluscs, and some arthropods, including the horseshoe crab, Limulus polyphemus.

A structure with the same name is often found in invertebrates, including molluscs and arthropods, connecting the oral cavity with the stomach.

On the breeding grounds, the Red-necked Grebe feeds mainly on invertebrates including adult and larval aquatic insects, such as water beetles and dragonfly larvae, crayfish and molluscs.

Motacillids take a wide range of invertebrate prey, especially insects are the most commonly taken, but also including spiders, worms, and small aquatic molluscs and arthropods.

During the nesting season, this bird eats mainly invertebrate animals, including aquatic insects, molluscs and crustaceans.

Prey includes adult and larval insects such as aquatic beetles, dragonflies, damselflies, grasshoppers, crickets, flies and caddisflies, Annelida including leeches, molluscs ( e. g. snails and mussels ), crustaceans ( e. g. crabs and crayfish ) and occasionally fish, amphibians, lizards, small snakes and nestling birds.

The diet includes a wide variety of aquatic animals, including fish, reptiles, amphibians, crustaceans, molluscs and aquatic insects.

The corals themselves provide a habitat for a wide diversity of other marine life including sponges, worms, crustaceans and molluscs.

" In his April 2006 Discover magazine column, he writes about cephalopods ( i. e., the various species of octopus, squid, and related molluscs ), many of which are able to morph their bodies, including changing the pigmentation and texture of their skin, as well as forming complex shape imitations with their limbs.

These birds feed on a variety of aquatic invertebrates including adult flies, mayflies, beetles, crustacea and molluscs.

On migration and during the winter, the Ruff eats insects ( including caddis flies, water-beetles, mayflies and grasshoppers ), crustaceans, spiders, molluscs, worms, frogs, small fish, and also the seeds of rice and other cereals, sedges, grasses and aquatic plants.

The New Zealand pea crab lives most commonly in green-lipped mussels ( Perna canaliculus ), but can also be found in many other bivalve molluscs including the blue mussel ( Mytilus edulis aoteanus ), the Pacific oyster ( Crassostrea gigas ) and a species of clam ( Chione stutchburyi ).

The barramundi feeds on crustaceans, molluscs, and smaller fish ( including its own species ); juveniles feed on zooplankton.

The most common usage is to refer to the tubular feeding and sucking organ of certain invertebrates such as insects ( e. g., moths and butterflies ), worms ( including proboscis worms ) and gastropod molluscs.

The Black-necked Stork is a carnivore and its diet includes water-birds such as coots, and Little Grebes, Northern Shoveller, Pheasant-tailed Jacana, a range of aquatic vertebrates including fish, amphibians and reptiles and invertebrates such as crabs and molluscs.

They included many types of brachiopods, ammonites and molluscs characteristic of the shallow seas in which they were deposited.

Elasmosaurus probably ate small bony fish, belemnites ( similar to squid ), and ammonites ( molluscs ).

Plesiosaurs have been discovered with fossils of belemnites ( squid-like animals ), and ammonites ( giant nautilus-like molluscs ) associated with their stomachs.

The total catch in 2000 was 5, 676 tons, a decrease from 11, 458 tons in 1997 ; the catch was mainly marine, with freshwater carp, barbel, etc., crustaceans & molluscs.

After this they start to eat freshwater plankton, and later insect larvae, molluscs and similar food ( unlike frog tadpoles, newts are carnivorous throughout their life ).

Both cultured pearls and natural pearls can be obtained from pearl oysters, though other molluscs, such as the freshwater mussels, also yield pearls of commercial value.

Bivalvia, commonly referred to as bivalves, is a class of marine and freshwater molluscs that have a laterally compressed body enclosed by a shell in two hinged parts.

Like most terns, this species feeds by plunge-diving for fish, either in the sea or in freshwater, but molluscs, crustaceans and other invertebrate prey may form a significant part of the diet in some areas.

They mainly eat earthworms, but also insects and their larvae, freshwater molluscs and some plant seeds.

This species dives for crustaceans and molluscs while migrating or wintering on the sea-coasts, and feeds on insects and their larvae, especially caddisflies, fish eggs and, more rarely, vegetation such as duck weed while nesting on freshwater.

In freshwater, this species primarily feeds on crustaceans and insects ; while in saltwater areas, it feeds on molluscs and crustaceans.

Adult scoters of this species dive for crustaceans and molluscs, while the ducklings live off any variety of freshwater invertebrates.

Byssus generally refers to a filament created by certain kinds of marine and freshwater bivalve molluscs, which use it to attach themselves to rocks, substrates, or sea beds.

They include freshwater sponges, annelid worms, molluscs terrestrial and freshwater, arachnids, scorpions and mygales of this many vicariant to the mygales of Queensland.

They are parasites of freshwater and marine molluscs and vertebrates ( cartilaginous and bony fishes and turtles ).

Pearl hunting or pearl diving refers to an obsolete method of retrieving pearls from pearl oysters, freshwater pearl mussels and, on rare occasions, other nacre-producing molluscs, such as abalone.

A veliger is the planktonic larva of many kinds of marine and freshwater gastropod molluscs, as well as most bivalve molluscs.

Life-history stages of the trematode flatworm Fasciola hepatica from 1911 Encyclopaedia BritannicaTrematodes are small parasitic flatworms that use vertebrates as their definitive host, and molluscs ( usually freshwater snails or land snails ) as their intermediate host.

The Veneroida or veneroids are an order of mostly saltwater but also some freshwater bivalve molluscs which includes many familiar forms such as the edible clams and cockles, and a number of freshwater bivalves including zebra mussels.