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Lobster

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Lobster
Related Category: Zoology: Invertebrates
marine crustacean with five pairs of jointed legs, the first bearing large pincerlike claws of unequal size adapted to crushing the shells of its prey.

 


Lobsters are invertebrates, and have a tough exoskeleton, which protects them. Like all arthropods, lobsters must molt in order to grow, leaving them vulnerable during this time.

Lobsters have not always been considered chic eats. In 17th and 18th century America, they were so abundant in the northeast that they were often used as fertilizer.

Spiny Lobster is the general name given to about four dozen species of clawless lobster found in all the tropical and subtropical waters of the world.
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A lobster can be right handed or left handed! It has eight legs and two claws. One claw is used for crushing things and the other is used for holding things. The side the crusher is on, determines whether the lobster is right handed or left handed.

Spiny Lobster
Panulirus argus
Physical Characters
Spiny Lobster also called Florida lobster or crayfish, a beautifully colored crustacean mottled with brown, green and blue, and dotted with light yellow or white spots on the tail sections.

LOBSTER, common name for marine decapod (that is, with five pairs of appendages on the thorax) crustaceans of the suborder Reptantia, section Astacura, which are closely related to the freshwater crayfishes.

Lobster information - Received from Seth.
Q: What is the habitat, niche, defence, reproduction, and diet of a lobster ...

Diet
Lobster, shrimp, crab, small fish, and invertebrates
Size
Average adult length is 7-10 ft. (230-300 cm). Average adult weight is 330 lbs. (150 kg).

NZ Rock Lobster Industry Council, Private Bag 24-901,
Wellington, New Zealand. (64 4)385 4005
Eudyptula minor ...

12/9/2000 Jeffreys Ledge Lobster Boat I picked another tough weather day to go birding on a commercial lobster boat.

Eastern Rock Lobster
Eastern Rock Lobster
Eastern Rosella & Crimson Rosella Illustration
Eastern Sawshark, Pristiophorus sp. A
Eastern Sea Garfish, Hyporhamphus australis
Eastern Sea Garfish, Hyporhamphus australis (Steindachner, 1866) ...

- As in the genuine Isopoda, the eyes of Amphipoda are always sessile, and generally paired, and, in contrast to crabs and lobsters, these two groups have only four pairs of mouthorgans instead of six, but seven pairs of trunk-legs instead of five.

electric blue lobster (Procambarus paeninsulanis)
electric yellow labido (Labidochromis caeruleus)
elephant nose (Gnathonemus sp.)
Endler's guppy (Poecilia reticulata var. Endler's)
Endler's livebearer (Poecilia reticulata var. Endler's) ...

Like all chameleons there hands and feet are like toes that are attached to gether, they kind of look like lobster claws. The males have three horns on their head, one on there nose and two above there eyes. They look like miniature triceratops.

Crustaceans: Beach Hopper (Orchestoidea corniculata) Amphipoda, Brine Shrimp, California Prawn (Pandalus platyceros), California Spiny Lobsters (Panulirus interruptus), Carniverous Chiton (Placiphorella velata), ...

What is not sold for human consumption is used as bait for rock lobster traps and other commercial and recreational fishing.

Humans consume large amounts of decapods, and huge industries have developed around the capture or farming and sale of shrimp, lobster, and crabs.

Conservation Issues & Efforts: In the past, Black-vented Shearwaters have been used as bait for lobster traps and their eggs collected as food.

By the way: DNA studies of these animals has lead to a new theory: they are actually not primitive insects, but primitive lobsters. That would explain the continuous shedding, even once adult, and the forked tail, not found in any other insects.

Scorpions look a bit like miniature lobsters, but they have something lobsters don't: a poison-tipped tail for stinging prey (mostly insects), other scorpions, and enemies. They generally don't sting people, but will if disturbed.

Throughout its range, large numbers of velvet bellies are caught as bycatch in bottom trawls meant for shrimp and lobsters, and deepwater longlines meant for other fish.

spiny lobsters, shrimps, crabs, sea urchins, squids, octopuses, marine snails and bivalves) and benthic fish (i.e. sea catfishes, mullets, puffers and stingrays).

- Schooling fish - Large freshwater rivers, reservoirs, lakes, estuaries, and the ocean Distribution in VA: - Stocked in nearly all of Virginia's reservoirs - Native to the Atlantic slope drainages Food Habits: - Fish, crabs, squid, insects, lobsters ...

Related to the pillbug, sowbug, lobster, crab, and shrimp
Food scavengers
Grow to 18" long and weigh up to 3 pounds
Primary predators are tiger sharks
Live in area that have little to no light
Water temperature is extremely cold ...

Krill, crabs, shrimps, lobsters and other crustaceans
Fish
In tough times, they can also feed on carrion and zooplanktons
They prey by snapping up food that comes up to the surface of the sea. However, albatrosses can also dive into the water.

Australian sea lions feed on fish, octopus and lobsters.
Behaviour
They are very social animals and gather in large groups, particularly during the breeding season.

Blue crabs, like shrimp, crayfish and lobsters, are members of the crustacean family. Many people love to eat blue crab.

If the octopus is trying to tackle a more dangerous opponent, such as a lobster, it first squirts ink into the water to create a smoke screen and confuse the lobster. Then it creeps upon the lobster and seizes it from behind using its tentacles.

Crabs are crustaceans and related to lobsters and shrimps.
There are almost 5,000 different species of crabs, about 4,500 are true crabs, ...

What do they eat?
Fish, lobster and octopus!
They can hold their breath underwater for up to an hour but they have to come up to the surface to breathe.
They drown if they get caught in underwater fishing nets.

Rusty crayfish resemble lobsters, a distant saltwater relative. Sporting a thick, bony plated exoskeleton with oversized claws, a mature crayfish often has rusty spots on either side of the carapace.

People have a variety of reactions to these animals; from disgust as they see a cockroach scampering across their kitchen floor, to enjoyment when they think about a shrimp or lobster dinner, or with awe when they see a beautiful butterfly.

It has no power of diving although at times, when searching for food along the shores, it will enter the water on seeing a crab or a lobster, to seize it, in which it at times succeeds.

The sperm whale will also eat snapper, lobster, and even shark. It swallows its prey whole.
An adult whale will eat up to one ton of food every day.
WHALE & MAN ...

CLASS: Malacostraca (woodlice, shrimp, lobsters, crabs, etc.)
ORDER: Decapoda (crabs, shrimp, and relatives)
FAMILY: Ocypodidae (ghost crabs and fiddler crabs) ...

Diet comprises of roughly equal proportions of fish, squid and Lobster Krill, taken at depths of less than 50 metres.
Breeding sites are abandoned between April and September during the winter migration.

Includes spiders, scorpions, shrimp, lobster, crabs, insects, millipedes, & centipedes
MOLLUSCANS
Includes clams, snails, octopuses, & squid ...

They feed mostly at night on spiny lobsters and other crustaceans, small stingrays, sea urchins, squid, and bony fishes.
Size ...

Discussion The only moray found north of Baja California, the California Moray eats crabs, shrimps, lobsters, and various fishes. Females deposit eggs that develop into leptocephalus larvae.
eNature Quicklinks
WildlifeGuides: Nature in North America ...

Common animals include: shore and sea birds, fish, crabs, lobsters, clams and other shellfish, marine worms, raccoons, opossums, skunks and lots of reptiles. Rock-a-Bye Baby Estuaries are often called the nurseries of the ocean.

Bait: Metal squids, spoons, jigs, plugs or fish pieces, shrimp, small lobsters, crabs, larval fish and larval mollusks.

When Atlantic cod first hatch, the fry eat zooplankton and small crustaceans. As they grow, the young fish eat shrimp and small lobsters. Adults eat mainly herring and capelin.

It feeds on a variety of fish and in the vicinity of coral reefs, including eels, octopus and lobsters.
Behavior: ...

Up to 1 metric ton of squid per day is required to sustain a single sperm whale. Other than squid, these whales occasionally consume other deepwater prey including octopus, lobsters, crabs, jellyfish, sponges, and several varieties of fish.

The other major arthropod classes are arachnids, which include spiders and scorpions, and crustaceans, which include crabs, lobsters and barnacles. Arthropods are everywhere: on land, in the air and beneath the water's surface.

Major Canadian fisheries are on the Shubenacadie, Miramichi, and Saint John Rivers.
The catch is used for fish meal lobster bait, petfood or it is smoked, canned, salted or pickled.

Dead pieces of crab and lobster also work well. Live shrimp are often accepted, especially if skittered across the surface, and then allowed to sink.

Diet
These daytime hunters are not built for speed over long distances and prefer to ambush their prey rather than pursue it in open water. The diet of these large predators consists mainly of fish, octopus, crab, and lobster.

In towns or cities they search for food in refuse dumps and gutters. On seashores they feed at low tide on mussels, spiny lobsters, mollusks, dead fish and other stranded edibles. They also eat grasshoppers, grubs and locusts.

Among these, single individuals occurred at Sable Island, Cape Sable, the inner Tusket Islands and Sydney; one was killed by gulls on Lobster Bay, Yarmouth County; three were on Brier Island; and five were on Seal Island.

four segments each with a pair of walking legs; and the abdomen of six segments which taper to a single sharp spine at the end with a small opening supplied by two venom glands. The chelericerae (pincerlike claws) are similar to those of a lobster.

in massive drift nets, or hooked on pelagic longlines set for tuna and swordfish. At their inshore foraging grounds they are caught by trawlers, gill nets or entangled in the buoy ropes of static gear such as prawn creels, tangle nets and lobster ...

See also: Shrimp, Crustacean, Shark, Shell, Squid