Eagleray Feeding Strategy on Reefs

Eaglerays are common in estuaries where they make distinctive “footprints” on the sand when they have been digging feeding holes.  They are also common on rocky reefs where they have a completely different feeding strategy.

EagleRay 1

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Successful Shellfish Survey Day at Whangateau Harbour

 

Sieving the sand out of the samples to enable the shellfish to be counted and measured.  Eagleray feeding holes filled with water were handy on the upper shore.  Without them samples would have to be carried several hundred metres to water for sieving

Sieving the sand out of the samples to enable the shellfish to be counted and measured. Eagleray feeding holes filled with water were handy on the upper shore. Without them samples would have to be carried several hundred metres to water for sieving

The annual survey of shellfish, particularly cockles, on two transects east of Horseshoe Island in the Whangateau Harbour, was successfully completed on Friday 28th March by ten students and several adult helpers. Mahurangi College science teacher Wendy Dunn organized the students into pairs for the task. As the shellfish beds in the Whangateau Harbour are currently closed, a special permit is required to carry out the surveys.

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