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Posts tagged animals

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Toxic or Poisonous Fish

Toxic or Poisonous Fish There are no simple rules to tell edible fish from those with poisonous flesh. These fish contain various types of poisonous substances or toxins in their flesh and are dangerous to eat. They have the following common characteristics: Most live in shallow water around reefs or lagoons. Many have boxy or…

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Terebra Shells

Terebra shells Terebridae species These shells are found in both temperate and tropical waters. They are similar to cone shells but much thinner and longer. They poison in the same way as cone shells, but their venom is not as poisonous.

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Cone Shells

Cone shells Conidae species These cone-shaped shells have smooth, colorful mottling and long, narrow openings in the base of the shell. They live under rocks, in crevices and coral reefs, and along rocky shores and protected bays in tropical areas. All have tiny teeth that are similar to hypodermic needles. They can inject an extremely…

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Portuguese Man-of-War

Portuguese man-of-war Physalis species Although it resembles a jellyfish, the Portuguese man-of-war is actually a colony of sea animals. Mainly found in tropical regions; however, the Gulf stream current can carry it as far as Europe. It is also found as far south as Australia. The floating portion of the man-of-war may be as small…

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Blue-ringed Octopus

Blue-ringed octopus Hapalochlaena species This small octopus is usually found on the Great Barrier Reef off eastern Australia. It is grayish-white with iridescent blue ringlike markings. This octopus usually will not bite unless stepped on or handled. Its bite is extremely poisonous and frequently lethal.

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Weever Fish

Weever fish Trachinidae species The weever fish is a tropical fish that is fairly slim and about 30 centimeters (12 inches) long. All its fins have venomous spines that cause a painful wound.

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Toadfish

Toadfish Batrachoididae species Toadfish are found in the tropical waters off the coasts of South and Central America. They are between 17.5 and 25 centimeters (7 to 10 inches) long and have a dull color and large mouths. They bury themselves in the sand and may be easily stepped on. They have very sharp, extremely…

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Tang or Surgeonfish

Tang or surgeonfish Acanthuridae species Tang or surgeonfish average 20 to 25 centimeters (8 to 10 inches) in length, with a deep body, small mouth, and bright coloration. They have needlelike spines on the side of the tail that cause extremely painful wounds. This fish is found in all tropical waters.

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Stonefish

Stonefish Synanceja species Stonefish are found in the tropical waters of the Pacific and Indian oceans. Averaging about 30 centimeters (12 inches) in length, their subdued colors and lumpy shape provide them with exceptional camouflage. When stepped on, the fins in the dorsal spine inflict an extremely painful and sometimes fatal wound.

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Siganus Fish

Siganus fish The siganus fish is small, about 10 to 15 centimeters (4 to 6 inches) long, and looks much like a small tuna. It has venomous spines in its dorsal and ventral fins. These spines can inflict painful stings.

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