Download Biology and ecology of venomous marine snails by Ramasamy Santhanam PDF

By Ramasamy Santhanam

The first complete quantity solely on marine cone snails, this booklet offers descriptions of over a hundred species of dangerous marine snails in addition to their organic and ecological features; the features of conotoxins; details on cone snail accidents and their therapy in addition to prevention measures; and the healing and medicinal worth of conotoxins, together with as a robust nonaddictive painkiller, an epilepsy drug, and extra. Over 275 colour illustrations accompany the textual content for simple id.

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2006). Conus litteratus (Linnaeus, 1758) Apertural view Abapertural view Common Name: Lettered cone Geographical Distribution: Indo-Pacific, except for Red Sea and Hawaiian Archipelago. Habitat: Subtidal depths to 50 m; shallow waters; fine or coarse sand and rubble substrata with vegetation of varying density Identifying Features: Shell of this species is moderately large to large and solid to heavy. Last whorl is conical and outline is almost straight, sometimes convex below shoulder. Base is moderately pointed.

Last whorl is with variably spaced spiral grooves and adjacent ribs on basal fourth. Ground color is white. Last whorl is with spiral rows of irregularly set black spots or bars clustered in an interrupted spiral band within adapical and abapical third. Clusters are often emphasized by underlying shadows of yellow, brown or violet. Near base, white dashes usually alternate with black markings. Black spots and bars may fuse into solid axial flames. Larval whorls are white to gray. Teleoconch sutural ramps are with variously solid black markings, varying in number and arrangement.

1. Conasprella centurio (Born, 1778) (= Conus century, Kohniconus centurio) Apertural view Abapertural view Common Name: Centurion cone Geographical Distribution: Throughout the Caribbean from the Bahamas to southern Brazil 44 Biology and Ecology of Venomous Marine Snails Habitat: Gravel and sand, and also in coral rubble and on coral reefs from shallow water to 100 m. Identifying Features: Shell of this species is medium sized to large, moderately solid or solid to moderately heavy. Last whorl is conical to broadly conical.

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