Fishing spider galloping

Numéro d’image : 11910767
Fishing spider galloping
Fishing spider. Artwork sequence (left to right) illustrating how a fishing spider (Dolomedes sp.) runs across water. It lands on its back legs and brings its front legs down in a backwards slashing motion to launch it forwards and upwards into the air. The spider must be light enough for surface tension to stop it from sinking. This tension results from the attractive forces between the molecules at the surface of the water. Speeds of about 90 centimetres per second allow the spider to catch insects,tadpoles and small fish,and to escape from predators. Such spiders can move across the surface of the water in other ways,including rowing and sailing techniques
Licence : Droits gérés
Crédit: Science Photo Library / Bensusen, Sally
Taille de l’image : 1725 px × 360 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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