Geographer cone
| Geographer cone | ||||||||||||||||||||||||
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| Conus(Gastridium) geographus Linnaeus, 1758 | ||||||||||||||||||||||||
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| Geographic cone, Killer snail, Cigarette snail |
Kind of the conch that geographer cone, scientific name Conus geographus are classified in new stomach foot eyes cone shell department. I am distributed over the coral reef area of the Pacific of India widely. I hide the sting which pours a deadly poison into the mouth and am known because there are many a dead person with the splinter poison and seriously ill people. I am often transcribed into merely amboina with the Japanese shellfish illustrated book. Is called hub fellow (habu shellfish), the Hamana car (Hamanaka) in Okinawa [1]; [2] [3] [4] [5] [6].
Table of contents
Form
It is husk high around 10cm, but the large-scale individuals exceed husk high 13cm and are a large size class in cone shells. The shell is thin for cone shells, and fauces is wide. Fauces opens in particular widely near a husk bottom. 螺塔 (winding) is low, but shoulders are square-built well, and extremely low nodules (projection of the horniness) form a line. The color of the shell is brown - dark reddish-brown, and a lot of spots such as the white triangular mackerel sky are scattered. Is the domain with a few cloud-formed irregularities, and there seem to be 2-3 facias in the class of bodies when see it in a long distance [1]; [2] [3] [4] [5] [6].
Besides, the cone shell with the triangle spot is known a lot, but there is not a line of the hemming and can graze the triangle spot of this kind. Because purple to cry is strong, in closely related シロアンボイナ C.(G.) tulipa, white part the fauces being tinged a lot with purple [2], purple amboina C.(G.) obscurus of the husk list can distinguish a nodule of 螺塔.
The radula is 1cm in length, approximately 0.2-0.3mm in diameter and is the shape such as the small bone of the fish, but leads to a poisonous sac through a long poisonous pipe. "I return it" is on the tip and is hard to fall out when it sticks. I store the radula in a buccal radula sac, but inject poison to tsukidashi, the thing which it stung from a rostrum when I prey on bait. Can lengthen the rostrum by length at the same level as higher husk [4]; [5].
Habits
From the African east bank to Polynesia, I am distributed over the tropical sea area of the Pacific of India widely. Is distributed over Izu Islands, Kii peninsula and to the south in Japan, and is not distributed over the Hawaiian Islands [5]; [6] [7] [8]. When this kind is productive of this in the sea near the shore, as for the Japanese name called the amboina, [2] to come from harbor city Ambon, Indonesia is said to be it.
I inhabit a lot the coral reef of Asanami, but it is nocturnal and is hard to be included in the public eye to lie hidden in the bottoms of the stone in the daytime. I begin to be active at night and stretch out a rostrum for a long time when I access a small fish and I stab you in a radula and inject poison. I greatly enlarge the entrance into a bag form next and do it so that a circle drinks a small fish paralyzed by poison [5]. It is said that I have the strongest poison in every creature of land, sea and air, and the toxic strength is said to be it an equal or more to giant hornet and a Portuguese man-of-war.
A natural enemy is a shellfish eating habit cone shell (タガヤサンミナシガイ) and Crustacea (crab, the lobster which did it including Japanese blue crab department and calappa department including the swimming crab having a strong scissors leg including the Yamato calappa specialized in shellfish eating habit). The poison harpoon having a deadly poison as I let a human being result in death depending on a kind is a firm crust, and a whole body is eaten without art to form without being used to the Crustacea which overturned.
Poison
The amboina may sting a person as well as a fish of the bait. The poison of cone shells is neurotoxin called the conotoxin, but, as for this seed, there are many a dead person in particular and people of serious case in cone shells. The toxic strength is said to be 37 times of the cobra de capello, and when is stabbed, tie up the place where heart is near as soon as possible with strings, and draw out poison because there is not the serum and is called to have a medical examination with a medical institution promptly [4]; [5].
The accident to be stabbed in occurs by fishing, diving, clamming. In addition, a child picks up the thing which I fished, and there is the example which I play with it and do it and was stabbed in. At least 23 people are bitten by amboina in Okinawa and Kagoshima, and eight people die by the report (1996) of Shinjo and others. But point it out because is said that there are many accidents that are not recorded in this report, and a physical strength and swimming technology is included in enough people in the "death by drowning" example in the coral reef area even if, in fact, the dead person due to poisonousness creatures such as cone shells, ヒョウモンダコ, the stonefish may be included [4]; [5].
The pain is small, but a nerve is paralyzed before long when I was stabbed. The thirst of the throat feels dizzy for approximately 20 minutes when I do not take an emergency measure and is hard to walk, and symptoms such as a blood pressure drop, dyspnea result in death in several hours when an outcome is serious. The poisonous action obstructs peripheral transmission and paralyzes a voluntary muscle. However, I have only to give the assistance to respirator in response to the paralysis of the respiratory muscle because the obstacle to central nerve or myocardium does not appear. That to be stabbed in the peak of the symptom, and to escape from a crisis of the life 12 hours later, and, 5-6 hours later, there are few aftereffects, too [4]; [5].
I mean that I die let alone a medical treatment around "the mid-beach" when stabbed in calling this seed "Hamana car" in Okinawa by this seed. In addition, liken a deadly poison to a hub, and is called "hub fellow" (habu shellfish) [4]; [5]. I continued collecting it for a pain of the degree that I was stabbed in by a mosquito, and the person who even the example which Shinjo and others checked did shellfish collection by snorkeling, and was stabbed noticed symptoms such as the dizziness first to return to the bank 30 minutes later. It became hard to walk in the place where I walked the beach and I was saved by a nearby person and finished it without any trouble, but did not seem to have possibilities to arrive alone. The meaning "that there is at time of around one cigarette before I am stabbed and die" is loaded one of the fame "Cigarette snail" (conch of the cigarette) with [7].
In addition, is edible, and can do it like other cone shells [3], and the collection is for the shell [1]; [2] [3] [5].
References
- ^ a b c Tetsuaki Kira, 1959. Amboina, "primary color Japan shellfish illustrated book" enlarged and revised edition, 37 plates, 98p. Childcare company
- ^ a b c d e Tadashige Habe・Sadao Kosuge, 1996. Geographer cone, "eco-Ron nature series shellfish" revised edition, 37 plates, 94p. ISBN 9784586321063, childcare company
- ^ a b c d Sadao Kosuge, 1994. Amboina, pocket illustrated book "shellfish 261p. of Japan" ISBN 4415080480, Narumi temple publication
- ^ a b c d e f g 新城安哲, Omine Minoru, Shigeo Yoshiba, 1996. "The problems of 1 case and cone shell splinter symptom of the amboina splinter symptom," it is Okinawa hygiene environmental laboratory report 30th ,43-52p
- ^ a b c d e f g h i j Gyoda Yoshizo, 2003. Amboina, "how to make illustrated book collection and specimens 104-105p., 138p. of the shellfish" ISBN 4931376967, south new company
- ^ a b c Kyoji Okuya, 2006. A geographer cone. 4 Kyoji Okuya, Isamu Soyama redecorated version mountain Valley field books "creature 152p. of the coral reef" ISBN 4635060616, mountain and valley company
- ^ a b Geographic Cone Snails, Geographic Cone Snail Facts - National Geographic
- ^ Conus geographus Linnaeus, 1758 - Record: CONUS BIODIVERSITY WEBSITE CATALOGUE
Outside link
- The animation document of sting - NHK for School digital teaching materials site of the cone shell. The structure of a predation action and the sting (radula) of geographer cone (this seed), the タガヤサンミナシ snail you pear is seen.
This article is taken from the Japanese Wikipedia Geographer cone
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